Yamawa Spiral Tap for Hard-to-Cut Materials PM-SP P4 1-12UNF PM-SP-P4-1-12UNF 1 piece

Catalog number: PM-SP-P4-1-12UNF Features: *Spiral tap for high-hardness steel materials with hardness of 25 to 45HRC, such as forged products, tempered materials, and mold materials made of high carbon steel and alloy steel. Applications: *For blind hole machining. *Work material: High carbon steel, tempered steel (25 to 35HRC), tempered steel (35 to 45HRC). Specifications: ● Precision: P4 ● Precision notation: P grade ● Nominal dimensions: 25.4 ● Pitch (mm): 2.11 ● Thread length (mm): 39 ● Total length (mm): 125 ● Shank diameter (mm): 19 ● Shank square section (mm): 15 ● Counterbore diameter (mm): 23.5 ● Number of engagement threads: 2.75 threads ● Machined thread: Unified thread ● Surface treatment: Non-coated ● Shank length (mm): 58 ● Square section length (mm): 18 ● Number of grooves: 3 Material/Finish: ● High-speed tool steel: Powdered high speed steel (HSS-P)