FKD [Sold out and discontinued] Chamfered tap pilot hole drill 8 DSS8 1 piece

Catalog number: DSS8 Features: ● Tap pilot hole drilling and chamfering can be performed at the same time, shortening processing time and reducing tool costs. Applications: ● Workpiece: carbon steel, alloy steel, tool steel, cast iron, non-ferrous metals, aluminum alloys. Specifications: ● Small diameter (mm): 6.8 ● Large diameter (mm): 18.5 ● Step length (mm): 22 ● Total length (mm): 76 ● Shank diameter (mm): 10 ● Compatible tap: M8 ● Drill diameter (mm): 6.8 ● Drill length (mm): 22 ● Blade diameter (mm): 18.5 ● Number of blades (pieces): 2 ● Number of blades: 2 ● For chamfered tap pilot hole drilling Material/Finish: ● High speed steel (SKH51)