Yamawa Spiral Tap SP P3 1-12UNF SP-P3-1-12UNF 1 piece

Catalog number: SP-P3-1-12UNF Features: ●The groove is twisted, so small curled chips are discharged backwards and chip clogging does not occur, making it ideal for blind hole machining. ●It has a sharp cutting edge, making it ideal for threading sticky work materials and plastics. ●Tap is easy to bite into. ●Can also be used for intermittent cutting of pilot holes with keyways. ●Blade strength is inferior to HT, so the HT shape is more suitable for high hardness materials. Applications: ●For blind hole machining. ●Work material: Low carbon steel, medium carbon steel, high carbon steel. Specifications: ● Precision: P3 ● Precision notation: P grade ● Nominal dimensions: UNF1 ● Thread length (mm): 39 ● Overall length (mm): 125 ● Shank diameter (mm): 19 ● Square shank section (mm): 15 ● Counterbore diameter (mm): 23.5 ● Number of threads: 12 ● Number of engaging threads: 2.5 threads ● Machined thread: Unified thread ● Surface treatment: Non-coated ● Number of grooves: 4 ● Shank length: 58 mm ● Length of square shank section: 18 mm Material/Finish: ● High-speed tool steel (HSS)