Yamawa Spiral Tap for Pipe Taper Threads Long Thread Type SP-PT 1/4-19 SP-PT-1/4 1 Piece

Catalog number: SP-PT-1/4 Features: ● Taps for pipe taper threads are used for threading pipes and pipe parts, etc., where the main purpose is to make the threaded part tight. PT female threads machined with PT taps are used to fit with PT male threads. Applications: ● Workpiece: low, medium, and high carbon steel. Specifications: ● Precision: JIS Class 2 ● Nominal size: 1/4 ● Number of threads: 19 ● Thread length (mm): 28 ● Total length (mm): 62 ● Shank diameter (mm): 11 ● Shank square section (mm): 9 ● Pilot hole diameter (mm): 10.7 ● Machined thread: Taper thread ● Number of engaging threads: 2.5 ● Surface treatment: Non-coated ● Length to reference diameter (mm): 21 ● Tap grade: JIS grade Material/Finish: ● High-speed tool steel (HSS)