ISF SKS Hand Tap Unified Thread, Coarse Thread [Medium #2] No. 4NC40 IS-S-HT-NO.4NC40-2 1 piece

Catalogue number: IS-S-HT-NO.4NC40-2 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: NCNo.4 ● Total length (mm): 44 ● Shank diameter (mm): 3 ● Shank square section (mm): 2.5 ● Pilot hole diameter (mm): 2.3 ● Number of threads: 40 ● Machined threads: Unified threads ● Tip engagement: 5 threads ● Thread length (mm): 16 ● Number of engagement threads: 5 threads ● Tap grade: JIS grade 3 Material/Finish: ● Alloy tool steel (SKS2)