Yamawa Steel Roll Tap N-RZ G5 4-40UNC B N-RZ-G5-4-40UNC-B 1 piece

Catalog number: N-RZ-G5-4-40UNC-B Features: ●Roll tap suitable for threading steel (carbon steel, alloy steel, ordinary steel). Applications: ●For blind hole processing. ●Workpiece: Low carbon steel, medium carbon steel. Specifications: ●Accuracy: G5 ●Accuracy notation: G class ●Nominal size: No.4 ●Thread length (mm): 9 ●Total length (mm): 46 ●Shank diameter (mm): 4 ●Shank square section (mm): 3.2 ●Pilot hole diameter (mm): 2.57 ●Number of threads: 40 ●Number of engaging threads: 2 ●Thread processing: Unified thread ●Surface treatment: Oxidation treatment ●Neck length (mm): 14 ●Shank length: 25mm ●Length of shank square section: 6mm Material/Finish: ●High speed tool steel (HSS)