Yamawa Weak Twist Flute A-Type 90° Carbide Center Hole Drill C-CD-Q 1X90°X4 C-CD-Q-1X90X4 1 Piece

Catalog number: C-CD-Q-1X90X4 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 particularly suitable for hard materials and mass production processing. Specifications: ●Taper diameter (mm): 1 ●Shank diameter (mm): 4 ●Total length (mm): 35 ●Center hole angle (°): 90 ●Surface treatment: Non-coated ●Blade length (mm): 1 ●Blade shape: Double-edged ●Blade length (mm): 1 Material/Finish: ●Ultra-fine grain carbide alloy (HF)