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Nov 29, 2018 · At least with HSS and Cobalt, they are resharpenable in the home shop. The cobalt will hold an edge longer under production demands or hard cutting materials. But the home shop rarely cuts exotic metals. Industrial quality HSS is good enough for 99% of home shop projects. It is good to have on hand a few Carbide bits for hardstuff. High Performance Taps vs. HSS Standard Taps. Which is Building the high-performance taps from a selection of high vanadium, cobalt or tungsten-based materials, the high-performance tap can be optimized to give ultimate performance while tapping todays high tensile strength materials. Home - Drillco Cutting ToolsDrillco About Us Family owned and operated since our inception in 1978, Drillco has been supplying industry with the finest selection of quality metal cutting tools, manufactured in America and around the world for over 35 years.. Selling exclusively through authorized distributors in the U.S., Canada and abroad, Drillco offers a complete selection of domestic and imported metal cutting tools
Dec 04, 2006 · Carbon taps IF well made are just as sharp as those made of HSS. They do tend to be more brittle. Being brittle is an advantage if they do break off as they can be shattered with a punch and the peices removed and leave salvagable threads. Being brittle is Thread Forming Taps FastenalCobalt High Speed Steel (433) High Speed Steel (1343) Manufacturer Cleveland (2) Cobalt HSS Semi Bottoming Thread Forming Taps . 113 items Carbide Full Bottoming Thread Forming Tap . 43 items Customer Service. Branch Locator Which is better cobalt tap drills or high speed steel taps Dec 01, 1999 · The HSS drills and taps are ok for G-10 and brass. The cobalt ones are more suited for titanium. The HSS drills are less expensive than cobalt, but they don't last as long. IMO, you should start with HSS. Go to the cobalt after you get some experience and are using the exotic materials. I want to see a picture of your project when you finish it.
The special HSS-Co Cobalt + TiN coated taps are suitable for the machining of aluminum, copper, brass, steel, stainless steel and GRP/CRP. The coated HSS taps are available for clearance holes in sizes M 3 to M 30 and can be used up to 1400 N/mm². In combination with the Karnasch universal cutting paste, the HSS taps achieve excellent tool lives.