YAMAWA Stainless Steel Spiral Tap SU-SP P3 1-8UNC SU-SP-P3-1-8UNC 1 Piece

Catalog number: SU-SP-P3-1-8UNC Features: ●Ideal for blind hole machining in materials such as stainless steel, which is extremely sticky due to work hardening, as well as chromium steel and molybdenum steel. ●Optimal design of the thread reduces the machining burden on each cutting edge. ●Reduced cutting resistance extends tool life. ●Stable chip discharge provides a good finish. ●Improved strength extends tool life. ●Can be used in both synchronous and asynchronous modes. Applications: ●For blind hole machining. ●Work material: alloy steel, stainless steel. Specifications: ● Precision: P3 ● Precision notation: P grade ● Nominal dimensions: UNC1 ● Thread length (mm): 39 ● Overall length (mm): 125 ● Shank diameter (mm): 19 ● Square shank section (mm): 15 ● Counterbore diameter (mm): 22.5 ● Number of threads: 8 ● Number of engaging threads: 2.5 threads ● Machined thread: Unified thread ● Surface treatment: Oxidation treatment ● Number of grooves: 4 ● Spiral tap for stainless steel Material/Finish: ● High-speed tool steel (HSS)