Yamawa Steel Roll Tap N-RZ G8 7/16-20UNF B N-RZ-G8-7/16-20UNF-B 1 piece

Catalog number: N-RZ-G8-7/16-20UNF-B Features: ●Roll tap suitable for threading steel (carbon steel, alloy steel, ordinary steel). Applications: ●For blind hole machining. ●Work material: low carbon steel, medium carbon steel. Specifications: ●Accuracy: G8 ●Accuracy notation: G class ●Nominal dimensions: UNF7/16 ●Thread length (mm): 26 ●Total length (mm): 82 ●Shank diameter (mm): 8.5 ●Shank square section (mm): 6.5 ●Pilot hole diameter (mm): 10.55 ●Number of threads: 20 ●Number of engaging threads: 2 ●Machining thread: Unified thread ●Surface treatment: Oxidation treatment Material/Finish: ●High speed tool steel (HSS)