High Speed Steel Twist Drill Bit 4.7mm Fully Ground Titanium Coated 4 Pcs 8mmx12mmx10mm For grinding and polishing jewelry

For grinding and polishing jewelry

95"Inner Diameter: 70mm/2

- Very useful for you to install glass

166-880-01-59

for Chevrolet Cruze Limited L

High Speed Steel Twist Drill Bit 4.7mm Fully Ground Titanium Coated 4 Pcs 8mmx12mmx10mm For grinding and polishing jewelryThe 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