black nitride coating at home

More durable thancerakoteor bluing. Systematic investigation into the effect of nitrogen on the surface properties of steel began in the 1920s. The advantages of gas nitriding over other variants are: In salt bath nitriding the nitrogen donating medium is a nitrogen-containing salt such as cyanide salt. Fill out & sign Range Partner Program Sheet. Display as a link instead, Nitriding alloys are alloy steels with nitride-forming elements such as aluminum, chromium, molybdenum and titanium. We will respond quickly with instructions for how to return items from your order. PROBLEM: Die soldering during casting process was degrading core pin surfaces, which required cleaning three to four times per shift, andreplacement every month. Setting A New Standard In Metal Processing 22,072 views Aug 31, 2018 253 Dislike Share GUNS and American Handgunner Magazines 63.5K subscribers H&M BlackNitride brings their aerospace. The oil helps bring out the blue a bit more. The onyx-black, Titanium Nitride coating reduces friction and preserves the steel against corrosion. Daniel Defense firearms, parts and accessories. Clear editor. Thank you for your support of our technology and products. 330-284-5989 - call or text. This technology is applicable to metals that can withstand the processing temperatures such as barrels, gas blocks, magazines, steel receivers, etc. The DS9 Limited Optics Competition Pistol was designed with heavy influence from our Team MPA members, which includes some of top Shooters in the USPSA. While no longer popular on long gun exteriors, surface treatments like chrome-plating work well on and in certain internal components. Very happy but time will tell if it holds up, Just had one done last spring by Hayes Custom Guns 3gun (some USPSA) pistol and has held up great carried in a Kydex holster and not showing wear marks (yet). Material: Stainless Steel 17-4. NiB-coated components are relatively easy to clean up but may become discolored when subjected to high heat. CNC machines only go through the motions. Hot Black Oxide converts the surface into Magnetite. Black Nitride products from Progressive are proven to perform in medical cleanroom molding environments, cosmetic/appearance product production, harsh conditions such as die casting, and beyond. Save my name, email, and website in this browser for the next time I comment. Unlike PVD processes such as diamond-like coatings (DLC), black nitride penetrates the steels substrate and wont chip, flake, or peel.. Specialized treatment outlasts conventional leader pins and bushings. Some internet experts are of the opinion that nitriding compromises the material and makes it unsafe. They used a liquid bath at about 1100F. Sent in my p365 to have an optic cut and installed on it. First of all, let's get one thing straight; nitriding is NOT a coating. Sources for true match-quality, chrome-lined barrels can be counted on one hand, with fingers left over. The process was greeted with enthusiasm in Germany and several steel grades were developed with nitriding in mind: the so-called nitriding steels. Nitride Names like Melonite, Ni-Corr, Black nitride or salt bath nitride are all. But it uses sodium cyanide salt to case harden the part without the normal distortion of heat treating. [4] For instance, at moderate temperatures (like 420C), stainless steels can be nitrided without the formation of chromium nitride precipitates and hence maintaining their corrosion resistance properties.[5]. Making stainless black is a side effect and even if the color wears away the metallurgical properties are unchanged. Like I said, I do this stuff for a living and my knowledge goes a little beyond what you can find on the internet. By the way, I asked in the Tailstock thread (where John first suggested Nitriding the tailstock ram) whether you need special steel to nitride. Black Nitride Barrel Coating. BrianEnos.com I will keep working at it to build up the finish as JonM suggested. Less wear & tear and on your rental guns with NiB-X, Higher reliability (fewer stoppages) for customers renting and using range guns, Easier to clean for your employees (wipes clean in most cases), Higher resale value since the NIB-X coated guns show little to no wear, More environmental corrosion protection than blued or stainless steel guns, Very lubricious (CoF .07) and needs little to no lubrication to operate, Less maintenance (longer usage between cleaning cycles), Harder than Tennifer, Melonite, Nickel Teflon and Hard Chrome (NiB-X is Rc72). Because steels with higher alloy contents were not readily available for nitriding, Fry became responsible for developing a group of steels for Krupp known as the "Nitralloy . Rubbed in well. Calico Titanium Nitride (TiN) the staple of thin film coating solves tribological problems with machine components that can be coated at temperatures of 425C - 450C. BlackNitride! NitrideNames like Melonite, Ni-Corr, Black nitride or salt bath nitride are all variations of a surface treatment formally known as Liquid Salt Bath Ferritic Nitrocarburizing Non-Cyanide Bath (FNC) or simply nitriding. When properly lubricated, overall wear properties are superior to hard chromium. Black Nitride adds roughly 3 weeks to your slide order. I simply cleaned them in some mineral spirits and then applied the compounds with a folded paper towel. There's a vast number of finishes available for AR-15 bolt carrier groups (BCGs . Home Rifle and Shotgun Accessories Triggers, Pins Fortis Takedown Pin AR-15 Black Nitride. The reception in America was less impressive. You do as you wish, I really don't care. Investigation into gas nitriding began independently in both Germany and America. Black Nitride is more than just a baked on coating such as Cerakote (I have nothing against Cerakote, as I have 2 rifles with it). Looks better than a factory cut. Much research has taken place in recent decades to understand the thermodynamics and kinetics of the reactions involved. Sothat could be a factor in deciding whether to choose this finish. 1. Chrome plating seems to do its best work inside of components subjected to high frictionbut not hard impactsand when done well, is still a great solution to limit erosion and wear. tures placed the surface at risk to form what is known today as "nitride networks" (a saturated solution of nitrogen in the immediate surface of the formed case). That makes for extremely uniform surface coatings on parts with tight tolerances, like a triggers sear-engagement surfaces. I have no complaints. The Salt Bath Nitride process is a Thermo Chemical treatment that improves wear resistance and corrosion resistance of ferrous metals with little or no dimensional change. Theyre very easy to apply, requiring only a thorough degreasing before application. When shipping slides for milling, SHIP SLIDES ONLY. These coatings are there to deter rust. Choosing a bolt carrier group can get pretty touchy because everybody has an opinion of which is the better coating or treatment. There was nothing useful in this thread since everything that had been said here prior was just flat out wrong. Black nickel is a derivative of nickel boron. It provides a Rc 55 surface . Replace or upgrade your original factory lever screw with this quality 4140 chromoly steel Ranger Point Precision Marlin lever action quick takedown screw for the 336 and 1894 Marlin rifles. Very durable, Just had two guns done. The new standard in steel hardening. And you can rest assured that behind-the-scenes work is being done that may well represent a quantum leap in metal surface treatments. Love it and no regrets. This coating withstands higher temperature and pressures better than EN Teflon.The boron nitride particles are a much better choice than Teflon for firearms applications. For more information, contact us via email. If you want to try Dicropan, its just $18.95 on Amazon. Large landing area offers improved part precision, reduces trimming. Spray-ons have the added benefit of being equally well-suited for aluminum, polymer and wooden rifle components, too. L. Neil Smith. Fortis Takedown Pin AR-15 Black Nitride $ 21.95. Uniform coating with no buildup on edges. Great service. The weight of any such item can be found on its detail page. Availability: Within 1 day. I believe I have damaged the black nitride finish on my new Baretta Nano. Recent developments have led to a process that can be accurately controlled. The most used drill bit materials are HSS, cobalt, and titanium. Our team has a tremendous width and depth of firearms industry expertise, with inhouse, master gunsmithing and firearm production capabilitiesto provide full spectrum performance to the firearms industry. January 31, 2019 in General Gunsmithing. Sophisticated black, non-reflective titanium-nitride coating adds corrosion resistance, toughens the blade and enhances non-stick properties. DCA Sig Sauer P365 Select Match Barrel. Side Locks For shops that want to do Cold Bluing in volume, the little kits for DIY Gunsmiths are prohibitively expensive. Simply add both products to your order! A reference to this was in a previous thread ,what is it and how is it done? NiB-X coated firearms must be in use for 3 months from the time you receive the guns. $50.00. It is far cheaper than similar corrosion protection systems, such as paint and electroplating. Calico TiN is normally applied to steels, hardened steels, and stainless steel materials where high wear resistance and lubricity is needed. The Faxon Match Series 24" Heavy Fluted 6mm ARC AR-15 Barrel is designed for precision and performance, with a heavy fluted design that reduces weight and enhances performance. No longer will your surgeon be distracted by bright, shiny objects. And since coatings mirror the surface profile of the substrate, little or no post-plate grinding or burnishing is required. In "Foundations of Mechanical Accuracy" the Moore boys use Nitralloy, which is an extremely expensive tool steel. Second slide they have coated for me. Hard (harder than carbide, 3X hard chrome) Inert and stable material. Most of the [few] commercially available modern sporting rifles and surplus longarms of the day had some form of Parkerized finish. Most chrome moly barrels that were parkerized in days past are now melonited, which is a fancy name for black nitride. 3070 SE Dominica Terrace Stuart, FL 34997-5717, Monday through Friday 8 AM to 4:30 PM Eastern Time, .308 NiB-X Nickel Boron and Nitrided Parts. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc. In the meantime, we offer a full array of NiB-X coated parts and firearms. AR15 BCG finishes (l-r) Toolcraft Titanium Nitride, BCM BCG with Robar NP3+, Toolcraft Nickel Boron, Toolcraft Black Nitride, Colt BCG refinished in Chrome with Nickel Boron Gas Key, Toolcraft Diamond Like Carbon (DLC) Finish, Toolcraft Chrome Phosphate (Parkerized) There are a wide variety of finishes available for AR-15 bolt carrier groups . I need cost effective bolt carriers thatare strong, protected and dont wear fast. Bolt-carrier groups above, from left, represent Nickel Boron, phosphate (Palmetto State Armory), Robar NP3, black nitride (Brownells) and chrome-plate (Daniel Defense).Advances in gun coating technology can be wonderful. Son, you don't know what you don't know about the subject. Really want to think about getting my second P365 done as well! Will be sending in my Glock 17 slide ASAP! Boron Nitride Dispersion Liquid - 8 fl oz For use with our One-Plate 1 Electroless Nickel System Use 6.4 fl oz of Boron Nitride dispersion per gallon of One-Plate 1 solution. WMD Guns is no longer offering the Upgrade program for individual parts. SKU: PINS-TDPIV-BLK. Improve the shooting experience You will feel and see the difference! It is a deposited copper selenium compound. Whether one ounce or 4,000 lbs., orders are filled with the precision and quality for which we're recognized. Click HERE to see Progressive Components in action. The temperature used is typical of all nitrocarburizing processes: 550 to 570C. A fine-turned or ground surface finish is best. $0.00. The key to our engineered nickel boron plating processes is versatility. Behind the Black: Gas Nitriding. NiB reduces friction and speeds the cooling of high-heat components due to the increased surface area created by the coatings texture. Required fields are marked *. Contact our plant near your facility. Above: AR15 BCG finishes (l-r) Toolcraft Titanium Nitride, BCM BCG with Robar NP3+, Toolcraft Nickel Boron, Toolcraft Black Nitride, Colt BCG refinished in Chrome with Nickel Boron Gas Key, Toolcraft Diamond Like Carbon (DLC) Finish, Toolcraft Chrome Phosphate. This service includes the installation of a new Glock OEM channel liner. Will not fit the Marlin 39A rifles, and this piece has a .210 Marlin proprietary thread pitch. Thin film typically 3 m (0.000118")thick. Cookies are . Posted by Boban Jancevski on Feb 6th 2023. These finishes are susceptible to harsh chemical strippers like acetone or ammonia-based solvents, so stick to safer cleaners like mineral spirits or conventional powder solvents when cleaning painted rifles. The nitrogen then diffuses onto the surface of the material creating a nitride layer. Our engineered Electroless nickel plating processes can be tailored to provide various levels of hardness, wear, abrasion and corrosion resistance, and lubricity. Plus, well give you access to some great CNC reference materials including: Just enter your name and email address below: Bob is responsible for the development and implementation of the popular G-Wizard CNC Software. Who the hell who send their personal stuff to be nitrided even knows what AMS 2753 and 2759/6 are? Enjoy the comfort of its rugged grip, resistant to both extreme hot and cold temperatures for long-term durability. Today we have much better gun coating options for our ferrous-metal rifle parts. Nitriding is like a low temperature (930 - 1020F) form of carburizing. On 1/31/2019 at 9:29 AM, currahee1911 said. The chemicals associated with these treatments convert a surface layer of the steel to magnetite. Anyway the point is that the color that nitriding turns steel is irrelevant and doesn't affect the material properties even if it's been rubbed off despite what the internet experts would have you believe. Our Big List of over 200 CNC Tips and Techniques. We also find chrome in less-obvious places like piston-rod ends, the inside of an ARs bolt carrier and in the open end of the carriers gas key. I used it to clean my Nano and I am now not happy with the finish. To subscribe to the magazine,visit theNRA membership page hereand select Shooting Illustrated as your member magazine. A deep, lustrous blued rifle barrel or richly contrasted, color-case hardened receiver combined with hand-rubbed wooden stocks can evoke awe and envy, even today. All round nitriding effect (can be a disadvantage in some cases, compared with plasma nitriding), Large batch sizes possible - the limiting factor being furnace size and gas flow, With modern computer control of the atmosphere the nitriding results can be closely controlled, Relatively low equipment cost - especially compared with plasma, Reaction kinetics heavily influenced by surface condition - an oily surface or one contaminated with cutting fluids will deliver poor results, Surface activation is sometimes required to treat steels with a high chromium content - compare sputtering during plasma nitriding, Ammonia as nitriding medium - though not especially toxic it is harmful when inhaled at a high concentration. All Rights Reserved. Most tactical-rifle shooters have experience with chrome-lined bores, which provide wear- and corrosion-resistance. Posted by Bobby Freeman on Oct 27th 2022, The nitride finish applied by Maple Leaf Firearms is phenomenal! PO Box 80611. Since nitrogen ions are made available by ionization, differently from gas or salt bath, plasma nitriding efficiency does not depend on the temperature. For the nitriding process H2 gas is also added to keep the surface clear of oxides. A critical marksmanship skill that is easy to overlook. The treatment superficially hardens the surface of the steel as it is IN the steel, unlike a coating that sits on the surface of the steel. Personally, I will not buy any firearm or firearm component that has been nitrided after it left the factory. That's simply not the case in this application (assuming it's done correctly). You can blacken a number of materials including ferrous materials, stainless steel, copper, copper alloys, zinc, powdered metals, and silver solder. We provide options as there are many aftermarket slides with various coatings. [2] When ammonia comes into contact with the heated work piece it dissociates into nitrogen and hydrogen. Broad range of substrates. An innovative way to carry your backup gun. View a video excerpt from a past Webinar that presents an exclusive Pin and Sleeve combination that delivers great performance for long run cleanroom tooling to harsh die casting applications. Took longer than expected. As for cosmetics, the wear properties of the surface may be a concern for some people, even if the underlying metal isn't affected. Hot Black Oxide involves hot baths of sodium hydroxide (the nasty stuff in drain cleaner), nitrates, and nitrites. They have a fair amount of wear resistance, but heavy use or careless handling can still cause them to wear through, scratch or chip off. RESULTS: Cleaning was reduced, replacement intervals extended five times thanks to greater longevity gained from using black nitride products. That all depends on the pre-existing material properties, the cross sectional thickness where exposed to the N2 atmosphere, and the final case depth and hardness. In the plasma nitriding processes, nitrogen gas (N2) is usually the nitrogen carrying gas. Depending on performance needs, deposits can include combinations of hardness, wear, abrasion and corrosion resistance, lubricity, solderability, high-temperature performance and protection from various chemicals. NiB coated bolt carrier groups are in the middle range on price, more costly than black nitride or phosphate but far less than Titanium Nitride. This also helps the thermal stability of the plasma plant, since the heat added by the plasma is already present during the warm up and hence once the process temperature is reached the actual nitriding begins with minor heating changes. We were cleaning up our guns and he suggested non- chlorinated brake cleaner. One of the most expensive coatings to have on a bolt carrier group is titanium nitride or TiN. Hot Black Oxide converts the surface into Magnetite. It removes oils from the pores of the metal and can cause rust easily on tiny internal parts. The coating is designed to release Teflon particles, the nickel wears and more Teflon releases. Such highly active gas with ionized molecules is called plasma, naming the technique. My Glock nor my Sig needed any special attention other than a quick coat of oil & they look as good as new. Follow us on social media for pictures of new builds and coupon specials! We are standing by to take your call, and we will be more than happy to answer all of your questions about Melonite , Tenifer , and the QPQ case hardening process. A forum community dedicated to all firearm owners and enthusiasts. Your link has been automatically embedded. A plasma nitrided part is usually ready for use. They differ somewhat in composition and may be air- or heat-cured. Please note: Due to the unique nature of this type of treatment process, slides are sent off to a shop that specializes in this type of refinishing. your blood apparently turns to a kind of jelly. Attempts to chrome-line rifle bores date back to the first half of the 20th century. The guys were nice enough to do my Taurus slide even though they dont work on them. But traditional firearm finishes still have their place. You can only truly "nitride" common steels, not alloys nor aluminum. High hardness of 66-70 HRC that is suited for harsh conditions. Request a Range Partner Program sheet by contacting [email protected]. Black Nitride Slide Coating. St. Peters, MO 63376, [VIDEO] Top 10 Best Super Bowl 50 Commercials (2016 Funniest Ads), How to Hit the G-Spot with the New Bang Switch. It is a chemical process that is achieved by soaking the parts in a boiling manganese solution, this practice is also known as parkerizing. We trust these pins to perform in the harshest conditions.. That makes for extremely uniform surface coatings on parts with tight tolerances, like a triggers sear-engagement surfaces. I have been using nitrided barrels, bolts and trigger groups for years and have yet to wear one out. Manufactured to withstand pressure of hard-to-align dies with diagonal thermal expansion. The choice allows users to personalize the rail coating that best suits each individual . Its a surface treatment which isnot the same as a full heat treat. Coating can be duplexed with sublayers or topcoats to enhance specific properties customers may desire. The treatment results in a deep jet-black color compared to our Black DLC (PVD) coating which is a dark "smokey black" color. The standard-issue guns I later carried in the Army were all Parkerized. DLC. These bolt carriers had a natural lubricity and proved to be durable, the only downside beingthat the hard chrome plating was prone to flaking. Black Nitride is a finish known to increase bore life and part durability. Thanks for the responses. Not AR-15 barrels, but AK barrels, 10/22 barrels, etc. http://www.matter.org.uk/steelmatter/manufacturing/surface_hardness/7_2_4.html, If this is your first visit, be sure to Nitriding is like a low temperature (930 - 1020F) form of carburizing. Your email address will not be published. Many users prefer to have a plasma oxidation step combined at the last phase of processing to produce a smooth jetblack layer of oxides which is resistant to wear and corrosion. One barrel coated in Cerakote Ceramic Coatings by T. High-tech gun coatings such as Robars NP3 and FailZeros Exo Technology boast additional advantages over the coatings described here. Nickel Boron is a surface coating that is increasingly becoming a favorite among individuals wanting an easier to clean bolt carrier group that hasa natural lubricity. Nitriding vastly increases the hardness of the metal that is treated without changing the material dimensionally like the build up of a hard coat. Posted by Darren McCarthy on Sep 13th 2022, Get the latest updates on new products and upcoming sales, Front Serration Models - 19FS/17FS/34FS/43X/45/48, AmeriGlo XL Height Sights - Black - GL-429, AmeriGlo Defoor Sights G42/G43 (Black Front / Black Rear) - GT-532. Your email address will not be published. The Cold processes produce a similar color, but the coating tends to rub off more easily and offer less abrasion resistance. So nobody should send a gun out for nitriding? Superior wear resistance, and includes particle rings for lubrication retention. The Fora platform includes forum software by XenForo. WMD Guns will coat pistols, rifles (ARs, bolt actions, semi-automatics) and shotguns. All WMD finishes are applied in a facility that has earned NADCAP accreditationthe highest level of process control recognized in the aerospace industry! Plasma nitriding is often coupled with physical vapor deposition (PVD) process and labeled Duplex Treatment, with enhanced benefits. They can and do serialized items, but will only accept from an FFL. For customers, this means unsurpassed wear protection. Plus we do extensive range testing to insure our coatings last and meet your most demanding performance standards. If holster wear/durability is a concern then we highly recommend going with our Black Nitride as Cerakote is a wearable item. Solving metal problems for over 70 years. Gun Range Partners will be able to have new & used range guns coated with NiB-X at a discount off of Dealer Pricing. Okay, so why bother coating steel with Cold Bluing or Black Oxide? When the BN Series Sleeves are combined with Progressives Through-Hard Ejector Pins, the dimensional specifications provide the industrys closest combined precision fit and tolerance between pin and sleeve, states Glenn Starkey, Progressives President. Can anyone give some feedback on Frog Lube? As well as some coats are also applied on the drill bits in order to improve the hardness, durability, and thermal resistance. The salts used are highly toxic - Disposal of salts are controlled by stringent environmental laws in western countries and has increased the costs involved in using salt baths. [email protected]. A more compact version of the classic Hi Power design. Lubes for me run brtween breakfree clp on my old firearms as thats been used on them for up to 40 years and pro-shot one step on the new ones. Very durable. I'm glad someone in the industry is doing it. NiB provides excellent corrosion resistance, but over time it will give way to the ravages of high heat and pressure on hard-use components. The three main methods used are: gas nitriding, salt bath nitriding, and plasma nitriding. Jun 9, 2013. I would like them to do rifle barrels too. When components do not bond correctly (adhesive issues) wear can result as well. All of the bolt carrier coatings or treatments have their trade offs so it is up to the buyer to make the decision on what they want and need. It's a case hardening thermal treatment, if you really want to get technical. "Nitride" is typically a generic term referring to "nitriding, nitrocarburizing, or gas nitriding" of steel- a metallurgic process that increases surface hardness and decreases corrosion. 172 votes, 80 comments. Even though I own a couple nickel boron bolt carrier groups, I dont need a shiny parts to look cool. The black nitride treatmentis very durable and highly resistant to wear and it will not flake because it is not a coating. Finish on slide is excellent. Made from high-quality 416R stainless steel, this barrel features a nitride finish for maximum corrosion resistance, nickel teflon extension for added durability and lubricity, and 5R rifling for excellent accuracy and . To expand its offering of Ejector Sleeves, Progressive has added treatments for greaseless applications. This made it not desirableandalong with a higher cost, caused the switch to a phosphated coated bolt carrier group. Please remove the irons and all internals. After WWII the process was reintroduced from Europe. Used in a kydex holster also. Considering slide and frame work on my 1911. NiB reduces friction and speeds the cooling of high-heat components due to the increased surface area created by the coatings texture. Black Nitride adds roughly 3 weeks to your slide order. Hard chrome is a surface plating that covers the outside of the carrier. you use ammonia gas to nitride, not CN, typical application for say a die would be 500-575 degrees for 12-14 hrs, stay away from salt bath hardening if you can, if surface requires cyanide salt hardening go to a heat treatment co, sticking yourself with antidode hurts, but not as much as CN poisoning! Only one process possible with a particular salt type - since the nitrogen potential is set by the salt, only one type of process is possible, This page was last edited on 18 January 2023, at 12:54. There are hot plasmas typified by plasma jets used for metal cutting, welding, cladding or spraying. This process was invented by Bernhardt Berghaus of Germany who later settled in Zurich to escape Nazi persecution. One complication to chrome-plating is that it adds to the dimensions of finished parts, so components must be undersize by whatever thickness the plating will add. SOLUTION: Switch to black nitride custom core pins from Progressive Components. Some of the early M16 rifles adopted by the US military had a hard-chromed bolt carrier. Hot Black Oxide involves hot baths of sodium hydroxide (the nasty stuff in drain cleaner), nitrates, and nitrites. After his death in late 1960s the process was acquired by Klockner group and popularized globally. If you want to try Dicropan, its just. Some of the oldest examples appear in ancient Japanese swords. Check out whats available from firms like Birchwood to see the more professional solutions. Pretty cool, eh? Usually steels are beneficially treated with plasma nitriding. The person sending the gun doesn't have to be an expert if the company doing the finishing is. However, if the nature of your rifle work requires something more practical, aim for components coated with a modern, durable and cost-effective surface treatment. So, you have ignored the question. All times are GMT-5. Join 100,000+ CNC'ers! Some internet experts are of the opinion that nitriding compromises the material and makes it unsafe. Parts coated with the NiB-X nickel boron process are suited to a wide range of applications. To perform the test, I took the spacers I had made for my new 6-jaw chuck backplate and compared the results. Communism only made one thing that works, and capitalism can make it even better. The blacking process creates a layer about 1 m thick. PlatedReflective, plated finishes such as hard chrome, nickel and gold have been around longer than anyone presently reading this magazine. Unless your going to refinish it please dont degrease yourguns with a brake cleaner. The problem with amateurs sending their stuff to be nitrided is that they know less than nothing about what they're asking a processor to do and have absolutely no idea of what they ended up with hardness wise. Quality and finish are top notch. Titanium Nitride (TiN) Coating. H&M Blacknitride+ | The New Standard in Steel Hardening Now Available Nationwide! Paste as plain text instead,

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