HSS vs Cobalt vs Carbide Drill Bits: What To Choose — Benchmark Abrasives

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BOSCH Cobalt M42 metal drill bits are engineered with upgraded M42 alloy, containing 8% cobalt. These hard-core Cobalt bits deliver 10x life vs. Standard bits, are jobber length and withstand high-heat applications. The thick web-helix design delivers fast material removal and increased stability. Bits that are 1/8 in. And larger feature a split point; bits 3/16 in. And larger feature a three-flat shank, for better bit grip.

Bosch CO14B 14 Pc. Cobalt M42 Drill Bit Set

COMOWARE Cobalt Drill Bit Set- 29Pcs M35 High Speed Steel Twist Jobber Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Metal Indexed Storage Case, 1/16-1/2

HSS drills vs. solid carbide drills - type overview, application areas, coatings, CERATZIT, WNT