OSG Rolling Tap for Non-Ferrous Alloys New Roll Tap (for Metric Threads) for Through Holes M1.2 x 0.25 Shank Diameter 3mm RH4 P 21402 B-NRT-STD-P-M1.2X0.25 1 Piece

Catalog number: B-NRT-STD-P-M1.2X0.25 Features: ● Suitable for non-ferrous alloys such as aluminum, zinc, copper and their alloys. ● Rolling tap for non-ferrous alloys. Applications: ● For through hole machining. ● Work material: zinc alloy castings, aluminum alloy castings. Specifications: ● Precision: RH4 ● Precision notation: STD ● Nominal size: M1.2 ● Pitch (mm): 0.25 ● Thread length (mm): 8 ● Total length (mm): 32 ● Shank diameter (mm): 3 ● Shank square section (mm): 2.5 ● Number of teeth: 4 teeth ● Machined thread: Metric thread ● Surface treatment: Nitriding treatment ● Tap grade: RH grade Material / Finish: ● High speed steel (HSS) Caution: ● Pilot hole machining has a large effect on the precision of the screw. ● Take great care when drilling pilot holes.