Yamawa American Dryseal Hand Tap for Pipe Taper Threads NPTF 1/4-18 NPTF-1/4 1 piece

Catalog number: NPTF-1/4 Features: ●This is a hand tap for American dry seal pipe tapered threads, used for threading products where the main purpose is to make the threaded part tight when connecting pipe parts. Applications: ●Workpiece material: medium and high carbon steel, alloy steel. Specifications: ●Accuracy: ANSI G ●Nominal size: 1/4 ●Number of threads: 18 ●Thread length (mm): 28 ●Total length (mm): 62 ●Shank diameter (mm): 11 ●Shank square section (mm): 9 ●Pilot hole diameter (mm): 10.75 ●Machined thread: Tapered thread ●Number of engagement threads: 3 ●Surface treatment: Non-coated ●Length to reference diameter (mm): 17.45 ●Tap grade: ANSI G grade ●NPT (for American pipe tapered threads) ●Accuracy ANSI G Material/Finish: ●High speed tool steel (HSS)