Yamawa Spiral Tap SP P4 M18X2.5 SP-P4-M18X2.5+20 1 piece

Catalog number: SP-P4-M18X2.5+20 Features: ●The groove is twisted, so small curled continuous 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: Medium carbon steel. Specifications: ● Precision: P4 ● Precision notation: P grade ● Nominal size: M18 ● Pitch (mm): 2.5 ● Thread length (mm): 33 ● Total length (mm): 100 ● Shank diameter (mm): 14 ● Shank square section (mm): 11 ● Counterbore diameter (mm): 15.6 ● Number of engaging threads: 2.5 threads ● Machined thread: Metric thread ● Number of grooves: 4 ● Spiral tap for blind holes Material/Finish: ● High-speed tool steel (HSS)