DC SWISS Spiral Tap Z370VS-3 UNF(J)1/4-28 165122 1 piece

Catalog number: 165122 Features: ●Tap tool manufactured for stainless steel. ●VS coating provides long life and high cutting performance. ●Complies with ISO3161 standards except for the lack of roundness at the bottom of the valley, making it ideal for the aviation industry. Applications: ●For blind hole machining. ●Cutting materials: Stainless steel, nickel alloy, pure copper. ●For the aviation industry. Specifications: ●Precision: 3B ●Nominal size: 1/4 ●Pitch (mm): 0.907 ●Thread length (mm): 11 ●Total length (mm): 80 ●Shank diameter (mm): 6 ●Shank square section (mm): 4.9 ●Pilot hole diameter (mm): 5.55 ●Number of threads: 28 ●Number of engaging threads: 2.5 threads ●Machined thread: Unified thread ●VS coating Material/Finish: ●Powdered high speed steel (HSS-E-PM)