Yamawa Long Shank Weak Twist Flute A-Type 90° Carbide Center Hole Drill C-CD-QL L100 1X90°X4 C-CD-QL-100-1X90X4 1 Piece

Catalog number: C-CD-QL-100-1X90X4 Features: ● A type center hole drill with a weak twist groove and long shank made of carbide, suitable for 90° center hole machining, especially for hard materials and mass production. Specifications: ● Taper diameter (mm): 1 ● Shank diameter (mm): 4 ● Total length (mm): 100 ● 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)