Yamawa Spiral Tap for Aluminum (for Insert Coil Screws) AL-SP STI 1B M8X1.25 AL-SP-M8X1.25 1 Piece

Catalog number: AL-SP-M8X1.25 Features: ● For machining female threads for inserting insert coils in order to reinforce the female thread and increase durability in parts made of relatively soft materials such as aluminum. Applications: ● For blind hole machining. ● Workpiece: Brass, brass castings, bronze, rolled aluminum, aluminum alloy castings, magnesium alloy castings, zinc alloy castings. Specifications: ● Precision: 1b ● Nominal size: M8 ● Pitch (mm): 1.25 ● Thread length (mm): 23 ● Total length (mm): 75 ● Shank diameter (mm): 7.0 ● Shank square section (mm): 5.5 ● Pilot hole diameter (mm): 8.4 ● Thread length (mm): 23 ● Number of grooves: 3 ● Shank length: 38mm ● Length of shank square section: 8mm ● Reference dimension of outer diameter: 9.624mm Material/Finish: ● High-speed tool steel (HSS)