OSG Rolling Tap V Coating Internal Finishing Blade New Roll 8321451 V-EG-NRT-B-STD-M8X1 1 piece

Catalog number: V-EG-NRT-B-STD-M8X1 Features: ●The inner diameter is smoothed during normal rotation, so even if the pilot hole diameter varies, over-rolling does not occur, and pilot hole diameter management is easy. ●By selecting the pilot hole diameter, it is possible to remove cracks at the top of the female thread. Applications: ●For blind hole processing. ●Workpiece: Aluminum alloy castings, zinc alloy castings. Specifications: ●Accuracy: RH7 ●Accuracy notation: STD ●Nominal size: M8 ●Pitch (mm): 1 ●Thread length (mm): 18 ●Total length (mm): 70 ●Shank diameter (mm): 6.2 ●Shank square section (mm): 5 ●Number of engagement threads: 2 threads ●Machined thread: Metric thread ●Tap grade: RH grade Material/Finish: ●High speed steel (HSS-E) Caution: ●Pilot hole processing has a large effect on the accuracy of the screw. ●Please be careful when processing the pilot hole.