Yamawa Spiral Tap for Hard-to-Cut Stainless Steel SU2-SP P4 M20X1.5 SU2-SP-P4-M20X1.5 1 Piece

Catalog number: SU2-SP-P4-M20X1.5 Features: ●Spiral tap for difficult-to-cut stainless steels, ideal for blind hole drilling in stainless steels such as SUS316 and SUS317. ●SU2-SP adopts a special shape that leaves several complete threads on the thread section and removes half of the threads thereafter. ●The special shape of the thread section is effective in preventing chipping of the complete threads, reducing tapping torque and wear resistance, and maintaining screw guideability. ●The unique groove shape improves chip removal. Applications: ●For blind hole drilling. ●Workpiece material: Low carbon steel, medium carbon steel, high carbon steel, alloy steel, stainless steel. Specifications: ● Precision: P4 ● Precision notation: P grade ● Nominal size: M20 ● Pitch (mm): 1.5 ● Thread length (mm): 33 ● Total length (mm): 105 ● Shank diameter (mm): 15 ● Square shank section (mm): 12 ● Counterbore diameter (mm): 18.6 ● Number of engagement threads: 2.5 threads ● Machined thread: Metric thread ● Surface treatment: Oxidation treatment ● Number of grooves: 4 ● For fully synchronous feed only ● Shank length: 50 mm ● Length of square shank section: 15 mm Material/Finish: ● High-speed tool steel (HSS)