Rd (knuckle thread)
Rd (knuckle thread)
The round thread is a knuckle thread, shaped to ensure it is not susceptible to dirt to ensure low maintenance. Common applications: Coupler shafts on railway vehicles, brake rods, respirators.
Machine taps for knuckle threads
Knuckle thread screw taps are suitable for materials will good machinability up to 900 N/mm², non-alloy and low-allow steels, and for through and blind holes.
- Taps for knuckle threads (Rd) acc. to DIN 374
- Machine taps Rd 8 – Rd 44
-
21 Variants
