High Speed Steel Twist Drill Bit 6.8mm Fully Ground Titanium Coated 4 Pcs 1/8"T X 0.59"W X 157.48"L Constructed from forged and quenched

Constructed from forged and quenched chrome vanadium steel with a corrosion-resistant sandblasted finish

Outer Diameter B: 8

Total Length: 51mm / 2-inch

Thread Size :3/8 NPT

High Speed Steel Twist Drill Bit 6.8mm Fully Ground Titanium Coated 4 Pcs 1/8"T X 0.59"W X 157.48"L Constructed from forged and quenchedThe product is made of high speed steel, and the surface is plated with titanium. 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