ISF SKS Hand Tap Whitworth Thread [Top #3] 5/16W18 IS-S-HT-5/16W18-3 1 piece

Catalogue number: IS-S-HT-5/16W18-3 Features: ● A general tap used in a wide range of applications. ● The base material is SKS2 steel, making it economical. Applications: ● Machined threads: Whitworth threads ● Workpiece: General steel and light alloys Specifications: ● Tip: Top ● Nominal dimensions: W5/16 ● Overall length (mm): 70 ● Shank diameter (mm): 5 ● Shank square section (mm): 5 ● Pilot hole diameter (mm): 6.6 ● Number of threads: 18 ● Machined threads: Whitworth threads ● Tip bit: 1.5 threads ● Thread length (mm): 30 ● Biting thread count: 1.5 threads ● Tap grade: JIS grade 3 Material/Finish: ● Alloy tool steel (SKS2)