RUKO 238040 HSS-kierrepakka, M4 × 0,7 mm, 25 × 9 mm

RUKO 238040 is an uncoated HSS round die for cutting a right-hand external M4 thread with 0.7 mm pitch. It follows DIN EN 22568 and has a 60° thread flank angle. This particular article has a 25 mm outside diameter and 9 mm thickness. Its manufacturer SAP number is 1000023606. These mounting dimensions identify the exact variant and should be checked against the die holder.

The die cuts the thread in one operation. The HSS version is intended for unalloyed and low-alloy steels with strength up to 800 N/mm². Use a suitable round die holder matching the stated outside diameter and thickness; the holder is separate equipment. This is the cutting die itself, for forming an external thread on a workpiece. The manufacturer gives a net product weight of 28 g.