DC SWISS Point Tap SA320-4 UNJF1/4-28 175993 1 piece

Catalog number: 175993 Features: ●Product manufactured for nickel alloys. ●UNJF standard tap conforming to ISO3161, ideal for the aviation industry. ●The root is rounded, allowing for stronger tightening than conventional products. Applications: ●For through hole machining. ●Workpiece: Nickel alloy (＞850≦1600 N/m［［Ｍ２］］). Specifications: ●Accuracy: 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 engagement threads: 4 ●Machined thread: Unified thread ●Non-coated Material/Finish: ●Powdered high speed steel (HSS-E-PM)