![]() ![]() ![]() No Amazon affiliate links (they'll be removed by the Automod). Recommended drill bits for hardened steel or stainless steel: Vikings M42 135° 8 Cobalt High Speed Steel Jobbers Length Drills. No posts promoting crowdfunding projects. They last much longer than regular HSS drill bits, and they are good for cutting through any metal, including metal sheeting. They save users the time and hassle of purchasing the tools individually and are a good choice for machining operations that regularly use a variety of drill bit sizes. No advertising or promoting tools, brands, 25000 woodworking plans, your YouTube channel, etc. Drill bit sets contain multiple bits in different sizes. This sub is not a place to discuss religion or politics. Pants optional, close-toed shoes required. We don't mind if you post a link to a video on your youtube channel, we just ask these submissions are not your primary activity on the subreddit.īe nice to each other or you will get a stern timeout from our over-qualified mod team.ġ. We are committed to maintaining a large inventory, and we can customize. This is not the place to promote your youtube channel. We produce 14000 end mills, drills, reamers, and other cutting tool styles per day. All SPAM will be removed immediately and spammers will be blocked. If you feel your post was caught by the spam filter, message the mods HERE and we'll get all up in there to unclog it. We all love them, we all use them and we want to see what you find! If you're a newbie or DIYer, feel free to ask our experienced experts for advice. Cobalt drill bits offer better heat resistance and are more capable of drilling through hard surfaces. COMOWARE’s drill bits are great for driving through multiple kinds of metals as theyre HSS with a 5 Cobalt coatingthough it’s worth noting that you can find bits with a slightly higher percentage if needed. Paul, Minnesota using domestic sourced and domestic & globally sourced materials. Usually it's carbide.Please feel free to submit static images, dynamic images, videos, memes. American Made Drill Bits and affiliate companies have been selling these high quality products to manufacturers and shops in steel, welding, metal fabricating and automotive industries since 1992. If I do come across something that the HSS won't handle then it's a judgment call as to what else will work better. BUY Fully Ground, M35 (5 Cobalt), 135 Degree Split Point Smith & ARROW Drill Bits Here. Cons: Must be used at a slow speed, as cobalt can make the bit more brittle then M2 bits. In a non production environment slowing down a bit, and stopping to resharpen a few times is not that big a chore. Better than M42 (8 cobalt) as it not brittle like M42. I've found that for the few and far between times I've needed something better than HSS it's just not worth the expense of inventorying a separate set of drills. They'll stay sharp and last forever if they stay on the shelf! □ If you have them might as well use them. Any thoughts or drawbacks to using cobalt exclusively?Cobalt drill bits definitely last longer than HSS. These Faithfull Professional Cobalt Jobber Drill Bits are manufactured from M35 HSSE grade steel with a 5 cobalt content for increased heat resistance. I'm thinking about shelving the hss bits I keep by the DP and just using the cobalt all the time. Set of ultimate HSS cobalt drill bits for drilling small holes into steel and stainless steel 1100 N/mm, compliant with DIN 338 / 340 Product class. It's been a year and they've yet to be used one time. The cutting edge on a good quality cobalt bit should last for longer than a standard HSS bit. They are also able to cut through weld seams. They weren't cheap so I wanted to "save" them. Cobalt bits are able to cut through the most hardened metals, including bronze, cast iron, stainless steel and titanium. Do many here use cobalt bits as their every day drill bit choice? I bought a USA made set and I've yet to use them because I have so many HSS bits. May also be listed as ' medium-, ' ' good-, ' or ' WA - 2 - grade ' West African drill bort. ![]()
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