Yamawa Oxidized Spiral Tap SP OX P3 7/8-14UNF SP-OX-P3-7/8-14UNF 1 piece

Catalog number: SP-OX-P3-7/8-14UNF Features: ●Spiral tap for blind hole machining with oxidation treatment on the thread surface to prevent welding. ●Suitable for thread machining of soft steel materials such as low carbon steel that are prone to welding. Applications: ●For blind hole machining. ●Work material: low carbon steel, medium carbon steel. Specifications: ●Accuracy: P3 ●Accuracy notation: P class ●Nominal size: UNF7/8 ●Pitch (mm): 1.8143 ●Thread length (mm): 33 ●Total length (mm): 115 ●Shank diameter (mm): 17 ●Shank square section (mm): 13 ●Pilot hole diameter (mm): 20.6 ●Number of threads: 14 ●Number of engaging threads: 2.5 threads ●Machining thread: Unified thread ●Surface treatment: Oxidation treatment ●Number of grooves: 4 Material/Finish: ●High speed tool steel (HSS)