OSG Rolling Tap for Non-Ferrous Alloys New Roll Tap (for Metric Threads) for Blind Holes M2.5 x 0.45 Shank Diameter 3mm RH4 B 21469 B-NRT-STD-B-M2.5X0.45 1 Piece

Catalog number: B-NRT-STD-B-M2.5X0.45 Features: ● Suitable for non-ferrous alloys such as aluminum, zinc, copper and their alloys. ● Rolled tap for non-ferrous alloys. ● Especially effective for blind holes as it does not produce cutting chips. Applications: ● For blind hole processing. ● Workpiece: Zinc alloy castings, aluminum alloy castings, copper, brass, brass castings, bronze, rolled aluminum Specifications: ● Precision: RH4 ● Precision notation: STD ● Nominal size: M2.5 ● Pitch (mm): 0.45 ● Thread length (mm): 14 ● Total length (mm): 44 ● Shank diameter (mm): 3 ● Shank square section (mm): 2.5 ● 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.