Yamawa American Pipe Taper Thread Hand Tap Long Thread Type NPT 1/4-18 NPT-1/4 1 Piece

Catalog number: NPT-1/4 Features: ●This is a hand tap for American pipe taper 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): 10.85 ●Machined thread: Taper 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 taper threads) ●Accuracy ANSI G Material/Finish: ●High-speed tool steel (HSS)