Yamawa Aluminum Point Tap (for Insert Coil Screws) AL-PO STI 1B M4X0.7 AL-PO-STI-1B-M4X0.7 1 Piece

Catalog number: AL-PO-STI-1B-M4X0.7 Features: ● For machining female threads to insert coil inserts for the purpose of reinforcing the female thread and increasing durability in parts made of relatively soft materials such as aluminum. ● For through holes only. Applications: ● For machining through holes. ● Workpiece materials: 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 ● Square shank section (mm): 45 ● Counterbore diameter (mm): 4.27 ● Number of engagement teeth: 5 ● Surface treatment: Non-coated ● Number of grooves: 3 ● Machined thread: Metric thread ● Number of engagement teeth: 5 ● Surface treatment: Non-coated ● Number of grooves: 3 ● Shank length: 33 mm ● Length of square shank section: 7 mm ● Reference outer diameter: 4.909 mm ● Neck length: 22 mm Material/Finish: ● High-speed tool steel (HSS)