OSG High-Efficiency Multi-Function Tap Spiral Tap A-SFT 8327306 A-SFT STD 2.5P 1/2-20UNF 1 piece

Catalog number: A-SFT STD 2.5P 1/2-20UNF Features: ●This revolutionary product has stable chip removal and can be used with a wide range of work materials and machines. Applications: ●Work material: 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, aluminum alloy castings, magnesium alloy castings, zinc alloy castings Specifications: ●Accuracy: OH3 ●Accuracy notation: STD ●Nominal dimensions: UNF1/2 ●Thread length (mm): 15 ●Total length (mm): 85 ●Shank diameter (mm): 9 ●Shank square section (mm): 7 ●Pilot hole diameter (mm): 11.5 ●Number of threads: 20 ●Machined thread: Unified thread ●Surface treatment: V coating Material/Finish: ●Powdered high speed steel (CPM)