Yamawa Spiral Tap SP P1 1/4SM40 SP-P1-1/4SM40 1 piece

Catalog number: SP-P1-1/4SM40 Features: ●The twisted grooves eject small, curled, continuous chips to the rear and prevent chip clogging, making it ideal for blind hole machining. ●Excellent cutting performance, making it ideal for threading sticky work materials and plastics. ●Easy to bite into the tap. ●Also capable of 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: P1 ● Precision notation: P grade ● Nominal dimensions: SM1/4 ● Thread length (mm): 8.6 ● Overall length (mm): 62 ● Shank diameter (mm): 6 ● Shank square section (mm): 4.5 ● Counterbore diameter (mm): 5.69 ● Number of threads: 40 ● Number of engaging threads: 2.5 threads ● Machined thread: Machine thread ● Surface treatment: Non-coated ● Number of grooves: 4 ● Neck length (mm): 26 ● Spiral tap for blind holes Material/Finish: ● High-speed tool steel (HSS)