Yamawa Spiral Tap for Aluminum (for Insert Coil Screws) AL-SP STI 1B M4X0.7 AL-SP-M4X0.7 1 piece

Catalog number: AL-SP-M4X0.7 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: M4 ● Pitch (mm): 0.7 ● Thread length (mm): 13 ● Total length (mm): 60 ● Shank diameter (mm): .5.5 ● Shank square section (mm): 4.5 ● Pilot hole diameter (mm): 4.2 ● Thread length (mm): 13 ● Number of grooves: 3 ● Shank length: 33mm ● Length of shank square section: 7mm ● Reference dimension of outer diameter: 4.909mm ● Neck length: 22mm Material/Finish: ● High speed tool steel (HSS)