High Speed Steel Lengthen Twist Drill Bit 6.8mm Fully Ground Black Oxide 2Pcs H14 X 2.5" household maintenance

household maintenance

Model Plane is not included here

engineering machinery

for AUDI Q7 2010-2015

High Speed Steel Lengthen Twist Drill Bit 6.8mm Fully Ground Black Oxide 2Pcs H14 X 2.5" household maintenanceThe 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