Prototip Roll Tap S PLUS Rolling Tap for Metric Threads TIN Coated M8 Φ6.2 JD2066705-M8 1 piece

Catalog number: JD2066705-M8 Features: ● Suitable for high-precision blind and through thread machining up to a thread depth of 3.5 x D. ● Suitable for long chip workpieces 200-1200 N/mm2 and up to 36 HRC. Applications: ● For blind and through hole machining. ● Workpiece: Steel, stainless steel, aluminum alloy. 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): 5.0 ● Pilot hole diameter (mm): 7.4 ● Number of engagement threads: 2-3.5 threads ● Machined thread: Metric thread ● Surface treatment: TiN coating Material/Finish: ● High speed steel (HSS-E) Caution: ● Pilot hole machining has a large effect on the accuracy of the screw. ● Take great care when drilling pilot holes.