Yamawa Steel Roll Tap N-RZ G8 1/2-20UNF P N-RZ-G8-1/2-20UNF-P 1 piece

Catalog number: N-RZ-G8-1/2-20UNF-P Features: ●Roll tap suitable for threading steel (carbon steel, alloy steel, ordinary steel). Applications: ●For through hole machining. ●Work material: low carbon steel, medium carbon steel. Specifications: ●Accuracy: G8 ●Accuracy notation: G grade ●Nominal dimensions: UNF1/2 ●Thread length (mm): 26 ●Total length (mm): 88 ●Shank diameter (mm): 10.5 ●Shank square section (mm): 8 ●Pilot hole diameter (mm): 12.13 ●Number of threads: 20 ●Number of engaging threads: 4 ●Thread machining: Unified thread ●Surface treatment: Oxidation treatment Material/Finish: ●High speed tool steel (HSS)