Prototip Spiral Tap Paradur NI for Metric Threads M8 Φ6.2 JC204602-M8 1 piece

Catalog number: JC204602-M8 Features: ● Suitable for high-precision blind thread machining up to a thread depth of 1.5 x D. ● Suitable for long-chip workpieces 700 to 1400 N/mm2 and up to 44 HRC. Applications: ● For blind hole machining. ● Workpiece: Nickel alloys and similar workpieces. Specifications: ● Precision: 6HX ● Nominal size: M8 ● Pitch (mm): 1.25 ● Thread length (mm): 18 ● Total length (mm): 70 ● Shank diameter (mm): 6.2 ● Shank square section (mm): 5 ● Pilot hole diameter (mm): 6.75 ● Number of engagement threads: 2 to 3 threads ● Machined thread: Metric thread ● Surface treatment: Non-coated Material/Finish: ● Powdered high-speed steel (HSS-E-PM)