Yamawa Aluminum Hand Tap (for Insert Coil Screws) AL-HT STI 1B M2.5X0.45 1.5P AL-HT-STI-1B-M2.5X0.45-1.5P 1 Piece

Catalog number: AL-HT-STI-1B-M2.5X0.45-1.5P Features: ● For parts made of relatively soft materials such as aluminum, this machine processes female threads to insert insert coils for the purpose of reinforcing the female thread and increasing durability. ● There are two types of chamfers: blind hole 1.5P and through hole 5P. ● We also have an oversized tap of 1b+30 that takes into account the shrinkage of the female thread. Applications: ● For aluminum rolled materials, aluminum alloy castings, and zinc alloy castings. Specifications: ● Tip: Top ● Precision: 1b ● Nominal size: M2.5 ● Pitch (mm): 0.45 ● Thread length (mm): 6.8 ● Total length (mm): 52 ● Shank diameter (mm): 5 ● Square shank section (mm): 4 ● Counterbore diameter (mm): 2.67 ● Neck length (mm): 16 ● Shank length (mm): 28 ● Square shank section length (mm): 7 ● Number of grooves: 3 ● Number of engaging threads: 1.5 threads ● Reference outer diameter: 3.085 mm ● Surface treatment: Non-coated ● Machined thread: Metric thread Material/Finish: ● High-speed tool steel (HSS)