Yamawa Hand Tap for Aluminum (for Insert Coil Screws) AL-HT STI 1B M20X2.5 1.5P AL-HT-M20-3 1 piece

Catalog number: AL-HT-M20-3 Features: ● For parts made of relatively soft materials such as aluminum, this taper machine taps for inserting insert coils to reinforce the taps and increase durability. ● There are two types of engagement parts: blind hole 1.5P and through hole 5P. Applications: ● Workpiece: Aluminum rolled material, aluminum alloy castings, zinc alloy castings. Specifications: ● Tip: Top ● Precision: 1b ● Precision notation: 1b ● Nominal size: M20 ● Pitch (mm): 2.5 ● Thread length (mm): 39 ● Total length (mm): 120 ● Shank diameter (mm): 19 ● Shank square section (mm): 15 ● Pilot hole diameter (mm): 20.8 ● Surface treatment: Non-coated ● Pitch ● Machined thread: Metric thread ● Tap grade: 1b grade Material/Finish: ● High-speed tool steel (HSS)