DC SWISS Spiral Tap TL351VS-3 UNF(J)1/4-28 148012 1 piece

Catalog number: 148012 Features: ●Tap tool manufactured for titanium alloys. ●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 through hole machining. ●Workpiece: titanium, titanium alloys. Specifications: ●Precision: 3B ●Nominal size: 1/4 ●Pitch (mm): 0.907 ●Thread length (mm): 15 ●Total length (mm): 80 ●Shank diameter (mm): 7 ●Shank square section (mm): 5.5 ●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)