Yamawa SU Roll Tap SURZ G5 4-40UNC B SURZ G5 4-40 B 1 piece

Catalog number: SURZ G5 4-40 B Features: ●Roll tap that realizes control of the internal diameter shape of the female thread. ●Roll tap that supports control of the internal diameter shape of the female thread. Applications: ●Workpiece: Stainless steel, low and medium carbon steel, tool steel. ●Workpiece: Stainless steel, carbon steel, alloy steel, tool steel Specifications: ●Accuracy: G5 ●Accuracy notation: G class ●Nominal size: NO.4 ●Pitch (mm): 0.63 ●Thread length (mm): 9 ●Total length (mm): 46 ●Shank diameter (mm): 4 ●Shank square section (mm): 3.2 ●Pilot hole diameter (mm): 2.55 ●Number of threads: 40 ●Number of engagement threads: 2 threads ●Machined thread: Unified thread Material/Finish: ●Powdered high speed steel (HSS-P) Caution: ●Pre-drilling the pilot hole has a large effect on the accuracy of the screw. ●Please be careful when drilling the pilot hole.