ISF SKS Hand Tap Unified Thread, Coarse Thread [Medium #2] 5/16NC18 IS-S-HT-5/16NC18-2 1 piece

Catalog number: IS-S-HT-5/16NC18-2 Features: ● A general tap used in a wide range of applications. ● The base material is SKS2 steel, making it economical. Applications: ● Machined threads: Unified coarse threads ● Workpiece: General steel, light alloys, etc. Specifications: ● Tip: Medium ● Nominal dimensions: NC5/16 ● Overall length (mm): 70 ● Shank diameter (mm): 6.1 ● Shank square section (mm): 5 ● Pilot hole diameter (mm): 6.6 ● Number of threads: 18 ● Machined threads: Unified threads ● Tip engagement: 5 threads ● Thread length (mm): 30 ● Number of engagement threads: 5 threads ● Tap grade: JIS grade 3 Material/Finish: ● Alloy tool steel (SKS2)