Yamawa Weak Twist Groove A-Type 90° Center Hole Drill CD-Q 6X90°X18 CD-Q-6X90X18 1 Piece

Catalog number: CD-Q-6X90X18 Features: ●This is a weak-twist groove A-type center hole drill for machining 90° center holes, and can perform positioning and chamfering at the same time. ●The groove has a weak twist, so it is suitable for relatively hard materials. Specifications: ●Taper diameter (mm): 6 ●Shank diameter (mm): 18 ●Total length (mm): 90 ●Center hole angle (°): 90 ●Blade length (mm): 6.5 ●Blade shape: Double-edged ●Blade length (mm): 6.5 Material/Finish: ●High-speed tool steel (HSS)