OSG Rolling Tap for Non-Ferrous Alloys New Roll Tap (for Metric Threads) for Blind Holes M8 x 1.25 Shank Diameter 6.2 mm RH7 B 12777 B-NRT-STD-B-M8X1.25 1 Piece

Catalog number: B-NRT-STD-B-M8X1.25 Features: ● Suitable for non-ferrous alloys such as aluminum, zinc, copper and their alloys. ● Rolled tap for non-ferrous alloys. ● Particularly effective for blind holes as no cutting chips are produced. Applications: ● For blind hole processing. ● Workpiece: Zinc alloy castings, aluminum alloy castings, copper, brass, brass castings, bronze, rolled aluminum Specifications: ● Precision: RH7 ● Precision notation: STD ● Nominal dimensions: M8 ● Pitch (mm): 1.25 ● Thread length (mm): 18 ● Total length (mm): 70 ● Shank diameter (mm): 6.2 ● Shank square section (mm): 5 ● Number of teeth: 2 teeth ● Machined thread: Metric thread ● Surface treatment: Nitriding treatment ● Tap grade: RH grade Material/Finish: ● High speed steel (HSS) Caution: ● Pilot hole processing has a large effect on the precision of the screw. ● Be careful when drilling pilot holes.