High Speed Steel Twist Drill Bit 3mm Fully Ground Titanium Coated 4 Pcs 1" X 1-7/32" X 3.3' 30pcs x 4mm dia(Red)

30pcs x 4mm dia(Red)

just the updated overlay

testing equipment

model ship

1Ω ~ 750Ω (30 Values)

High Speed Steel Twist Drill Bit 3mm Fully Ground Titanium Coated 4 Pcs 1" X 1-7/32" X 3.3' 30pcs x 4mm dia(Red)The 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