OSG A-Spiral Tap for Insert Screws A-SFT HL 8327787 A-SFT HL GH2.5 2.5P 1/4-28UNF 1 piece

Catalog number: A-SFT HL GH2.5 2.5P 1/4-28UNF Features: ● A revolutionary product with stable chip removal and compatibility with a wide range of work materials and machines. Applications: ● For low, medium and high carbon steel, alloy steel, tempered steel (25-35HRC), stainless steel, tool steel, cast steel, ductile cast iron, copper, brass, brass castings, bronze, rolled aluminum material, aluminum alloy castings, magnesium alloy castings, zinc alloy castings and titanium alloys. Specifications: ● Precision: GH2.5 ● Nominal size: UNF1/4 ● Thread length (mm): 11 ● Total length (mm): 70 ● Shank diameter (mm): 6.2 ● Square shank section (mm): 8 x 5 ● Counterbore diameter (mm): 6.6 ● Number of threads: 28 ● Number of engaging threads: 2.5 threads ● Machined thread: U ● Surface treatment: V coating ● Number of grooves: 3 ● Neck length (mm): 37 Material/Finish: ● Powdered high speed steel (CPM)