Yamawa Spiral Tap for Tripods SP TRI 1/4-20 SP-TRI-1/4-20 1 piece

Catalog number: SP-TRI-1/4-20 Features: ●Spiral tap for machining screw for mounting camera tripods. ●Thread dimensions are oversized. Applications: ●For blind hole machining. ●Workpiece: Brass, brass castings, aluminum alloy castings, magnesium alloy castings, zinc alloy castings. Specifications: ●Nominal size: 1/4 ●Thread length (mm): 15 ●Total length (mm): 62 ●Shank diameter (mm): 6 ●Shank square section (mm): 4.5 ●Pilot hole diameter (mm): 5.19 ●Number of threads: 20 ●Number of engaging threads: 2.5 ●Surface treatment: Non-coated ●Number of grooves: 3 Material/Finish: ●High-speed tool steel (HSS)