High Speed Steel Lengthen Twist Drill Bit 3mm Fully Ground Black Oxide 12Pcs Pin Headers 50" (L*W*H)

50" (L*W*H)

Mini disc coupling assembly for use in applications requiring high torsional stiffness and torsional integrity

100 (+/-2%) x D Ring Picture Hangers

8inch(H x D)

The solid carbide drill bit is made of a micro grain tungsten-cobalt alloy with an average cobalt content of 6%

High Speed Steel Lengthen Twist Drill Bit 3mm Fully Ground Black Oxide 12Pcs Pin Headers 50" (L*W*H)The 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