Yamawa Strong Twist Groove JIS A-Type 90° Center Hole Drill CEQA 4X90°X12.5 CEQA4 1 Piece

Catalog number: CEQA4 Features: ●The groove has a strong twist, making it suitable for soft and sticky materials. Applications: ●Cutting materials: carbon steel, alloy steel, tool steel, cast iron, copper alloy, aluminum alloy. ●Center hole processing. Specifications: ●Taper diameter (mm): 4 ●Shank diameter (mm): 12.5 ●Total length (mm): 63 ●Center hole angle (°): 90 ●Tip diameter (mm): 4 ●Drill diameter (mm): 4 ●Drill length (mm): 4.5 ●Blade shape: double-edged Material/Finish: ●High-speed tool steel (HSS)