Yamawa Spiral Tap SP P3 7/8-9UNC SP-UNC-7/8 1 piece

Catalog number: SP-UNC-7/8 Features: ● Unified thread taps used in a wide range of applications. Applications: ● For blind hole machining. ● Workpiece: carbon steel, copper, brass, rolled aluminum, aluminum alloy castings, magnesium alloys. Specifications: ● Precision: P3 ● Nominal dimensions: UNC7/8 ● Thread length (mm): 33 ● Overall length (mm): 115 ● Shank diameter (mm): 17 ● Shank square section (mm): 13 ● Pilot hole diameter (mm): 19.6 ● Number of threads: 9 ● Number of engaging threads: 2.5 threads ● Machined threads: Unified threads ● Surface treatment: Non-coated ● Tap grade: P grade Material/Finish: ● High-speed tool steel (HSS)