Yamawa Oxidized Spiral Tap SP OX P2 1/4-28UNF SP-OX-P2-1/4-28UNF 1 piece

Catalog number: SP-OX-P2-1/4-28UNF Features: *A spiral tap for blind hole machining with an oxidation treatment applied to the surface of the thread 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, high carbon steel. Specifications: ● Precision: P2 ● Precision notation: P grade ● Nominal dimensions: UNF1/4 ● Pitch (mm): 0.9071 ● Thread length (mm): 15 ● Total length (mm): 62 ● Shank diameter (mm): 6 ● Square shank section (mm): 4.5 ● Counterbore diameter (mm): 5.53 ● Number of threads: 28 ● Number of engaging threads: 2.5 threads ● Machined thread: Unified thread ● Surface treatment: Oxidation treatment ● Number of grooves: 3 ● Neck length (mm): 26 ● Number of grooves: 3 ● Neck length: 26mm ● Shank length: 33mm ● Length of square shank section: 7mm Material/Finish: ● High-speed tool steel (HSS)