Yamawa Coated Weak Twist Groove A-Type 90° Center Hole Drill CD-QV 4X90°X10 CD-QV-4X90X10 1 Piece

Catalog number: CD-QV-4X90X10 Features: ●This is a weak-twist groove A-type center hole drill for 90° center hole processing, which can perform positioning and chamfering at the same time, and is coated with a coating that is highly resistant to wear and adhesion. Specifications: ●Taper diameter (mm): 4 ●Shank diameter (mm): 10 ●Total length (mm): 65 ●Center hole angle (°): 90 ●Surface treatment: TiN coating ●Blade length (mm): 4.5 ●Blade shape: Double-edged ●Blade length (mm): 4.5 Material/Finish: ●High-speed tool steel (HSS)