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5pcs magnetic screwdriver s2 alloy steel double-headed cross drill bit set. item details: 100% brand new and high quality. it is made of high-strength s2 chrome-plated alloy steel and is extremely durable. suitable for installation in pneumatic screwdrivers, electric screwdrivers, rechargeable electric drills, and wind bits.

Dec 13, 2018 · american/usa made drill bits list, 9 manufacturers & brands: american made drill bits, irwin tools, knkut, melin tool co., montana brand tools, norseman drill and tool, triumph twist drill, vix-bit, w.l. fuller inc., full details along with direct links to the makers & retailers.

Drill collar, drill pipe, kelly manufacturer / supplier in china, offering mini multi-function snow blower grass cutter, api gas drilling friction welding drill pipe drill tool 4 1/2" g105 or s135, api water well drilling friction welding drill tool 4 1/2" g105 or s135 and so on.

Down-the-hole bits we offer a comprehensive range of dth drill bits to match all conceivable applications. each bit is made from quality alloy steel, and has been precision machined to produce a perfect body, heat treated to the required hardness, given surface compression for fatigue resistance, and fitted with precision buttons manufactured ...

Factory for cobalt drill bit goods supplier in China,we help our prospects with greatest high-quality items and high level service.Becoming the professional manufacturer within this market,we've got gained wealthy practical experience in making and managing.Our Factory for cobalt drill bit merchandise won certifications of the local and international most important authorities .For a lot more detailed information and facts,please speak to us!


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