Yamawa Spiral Tap for Aluminum (for Insert Coil Screws) AL-SP STI 1B+30 M3X0.5 AL-SP-STI-1B+30-M3X0.5 1 Piece

Catalog number: AL-SP-STI-1B+30-M3X0.5 Features: ● For machining female threads to insert insert coils for the purpose of reinforcing the female thread and increasing durability in parts made of relatively soft materials such as aluminum. Applications: ● For machining blind holes. ● Workpiece materials: brass, brass castings, bronze, rolled aluminum, aluminum alloy castings, magnesium alloy castings, zinc alloy castings. Specifications: ● Precision: 1b+30 ● Nominal size: M3 ● Pitch (mm): 0.5 ● Thread length (mm): 7.5 ● Total length (mm): 52 ● Shank diameter (mm): 5 ● Square shank section (mm): 4 ● Pilot hole diameter (mm): 3.18 ● Machined thread: Metric thread ● Number of engagement threads: 2.5 ● Surface treatment: Nitriding ● Number of grooves: 3 ● Shank length: 29 mm ● Length of square shank section: 7 mm ● Reference outer diameter: 3.650 mm ● Neck length: 17 mm Material/Finish: ● High-speed tool steel (HSS)