High Speed Steel Lengthen Twist Drill Bit 8mm Fully Ground Black Oxide Mounts Wire Base and other HVAC applications

and other HVAC applications

Totally Length: 21mm/0

Main Material: 304 Stainless Steel

OE Number: 47230

High Speed Steel Lengthen Twist Drill Bit 8mm Fully Ground Black Oxide Mounts Wire Base and other HVAC applicationsThe product is made of high speed steel, and the surface is black oxide. Smooth surface finish, long service life. Suitable for wood, malleable iron, aluminum, plastic etc. Great replacement for your dull drill bit to improve work efficiency. Straight shank design is more suitable for many electric drills (here is not included). Specification: Shank Type: Round Shank Tool Flute Type: Spiral Rock Well Hardness Grade: 63 66 HRC Type: N Type 120 Twist