Yamawa Spiral Tap SP P3 7/8W9 SP-7/8 1 piece

Catalogue number: SP-7/8 Features: ●Whitworth thread tap, used in a wide range of applications. Applications: ●For blind hole machining. ●Work material: carbon steel, copper alloy, aluminum alloy. Specifications: ●Precision: P3 ●Nominal dimensions: W7/8 ●Thread length (mm): 33 ●Total length (mm): 115 ●Shank diameter (mm): 17 ●Shank square section (mm): 13 ●Pilot hole diameter (mm): 19.5 ●Number of threads: 9 ●Number of engaging threads: 2.5 threads ●Machined thread: Whitworth thread ●Surface treatment: Non-coated ●Tap grade: P grade Material/Finish: ●High-speed tool steel (HSS)