ISF Spiral Tap Whitworth Thread 7/16W14 SPT-7/16W14 1 piece

Catalog number: SPT-7/16W14 Features: ● Good cutting performance, cutting chips curl upwards. ● Homo treatment retains cutting oil, reduces frictional heat generation, and prevents welding. Applications: ● For blind hole processing. ● Work material: General steel, low-medium carbon steel, alloy steel. ● Machined thread: Whitworth thread ● For blind holes. Specifications: ● Precision: Old JIS Class 2 ● Nominal size: Whitworth 3/5 ● Total length (mm): 80 ● Shank diameter (mm): 8.0 ● Shank square section (mm): 6.0 ● Pilot hole diameter (mm): 9.4 ● Number of threads: 14 ● Number of engaging threads: 2.5 ● Machined thread: Whitworth thread ● Surface treatment: Homo treatment ● Thread length (mm): 38 ● Tap grade: H grade Material/Finish: ● High-speed steel (HSS-E)