Yamawa Steel Roll Tap N-RZ G7 5/16-18UNC P N-RZ-G7-5/16-18UNC-P 1 piece

Catalog number: N-RZ-G7-5/16-18UNC-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: G7 ●Accuracy notation: G grade ●Nominal dimensions: UNC5/16 ●Thread length (mm): 19 ●Total length (mm): 70 ●Shank diameter (mm): 6.2 ●Shank square section (mm): 5 ●Pilot hole diameter (mm): 7.31 ●Number of threads: 18 ●Number of engaging threads: 4 ●Thread machining: Unified thread ●Surface treatment: Oxidation treatment Material/Finish: ●High speed tool steel (HSS)