DC SWISS Spiral Tap SA350-3 UNF(J)5/16-24 149282 1 piece

Catalog number: 149282 Features: ●Tap tool manufactured for nickel alloys. ●Complies with ISO3161 standards except for the lack of rounding at the bottom of the valley, making it ideal for the aviation industry. Applications: ●For blind hole machining. ●Workpiece material: Nickel alloy. (＞850≦1600 N/m［［M2］］) ●For the aviation industry. Specifications: ●Precision: 3B ●Nominal size: 5/16 ●Pitch (mm): 1.058 ●Thread length (mm): 18 ●Total length (mm): 90 ●Shank diameter (mm): 8 ●Shank square section (mm): 6.2 ●Pilot hole diameter (mm): 7 ●Number of threads: 24 ●Number of engaging threads: 2.5 threads ●Machined thread: Unified thread ●Non-coated Material/Finish: ●Powdered high speed steel (HSS-E-PM)