ISF SKS Hand Tap Unified Thread, Coarse Thread [Set of 3] 1/4NC20 IS-S-HT-1/4NC20-S 1 set

Catalogue number: IS-S-HT-1/4NC20-S 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: Tip, middle, top ● Overall length (mm): 62 ● Shank diameter (mm): 6 ● Square shank section (mm): 4.5 ● Pilot hole diameter (mm): 5.2 ● Number of threads: 20 ● Machined threads: Unified threads ● Thread length (mm): 24 ● Set of 3: tip, middle, top. ● Tap grade: JIS grade 3 ● Set includes 1 each of (tip), (middle), and (top). Material/Finish: ● Alloy tool steel (SKS2)