OSG Rolling Tap V Coating Internal Finishing Blade New Roll 8321401 V-EG-NRT-B-STD-M3X0.5 1 piece

Catalog number: V-EG-NRT-B-STD-M3X0.5 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: RH5 ●Accuracy notation: STD ●Nominal size: M3 ●Pitch (mm): 0.5 ●Thread length (mm): 9 ●Total length (mm): 46 ●Shank diameter (mm): 4 ●Shank square section (mm): 3.2 ●Number of engagement threads: 2 ●Machined thread: Metric thread ●Tap grade: RH grade ●Number of engagement threads: 2 Materials/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.