[Professional & Wide Use] M35 Cobalt HSS is more suitable for hardened material. Particularly successful in cutting through hard metals such as stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
[Self-centering Design] The 135 degree split point design delivers great self-centering performance and reduces bits walking. The fully ground bit construction decreases friction during drilling, easily for drilling materials includes stainless steel, cast iron, alloy, wood and hard plastics.
[Organized Holder] Set includes the drill bit holder with size index for easy storage and organizing.
[115Pcs Drill Bits Size] 29pcs Fractional Size:1/16” to 1/2” in 1/64th increments; 26pcs Letter Size: A To Z; 60pcs Numbered Size: #1 To #60.
[Upgraded M35 Steel] The drill bits are constructed from M35 steel (a high-speed steel grade containing 5% cobalt), which offers superior hardness compared to the 4241 HSS utilized in other comparable drill bits, resulting in enhanced durability along with increased resistance to heat and wear.