Chain knocker with 32mm T-slot (1.1/4"), various chains

The chain knocker is one of the most important pipe cleaning tools of all. This version for 32mm drain cables is available with different chains and can therefore be used for different purposes. Smooth chains are suitable for PVC and clay pipes, chains with spikes for steel, cast iron and concrete pipes. By the rotation of the chain knocker over the drain cleaning cable the chains throw themselves outwards to the wall and remove incrustations, deposits, greases and further drain blockage. It should also always be used after a complex drain cleaning for final cleaning of the pipeline.  The chain knockers should generally onlybe usedwithreinforced pipe cleaning spirals (S-drain cables, S-SMK spirals).

The chain knocker for 32mm pipe cleaning spirals is available with 2 or 4 smooth chains or cam chains (with spikes). The coupling is a bevelled 32mm T-Nut coupling for connection to 32mm pipe cleaning spirals. The chain knocker is thus compatible with all T-Nut systems from ROWO, ROTHENBERGER, rak, RIS, REMS, RIDGID, Rioned Victor , etc.

Technical data of ROWO chain knocker with 32mm T-Nut:

• Diameter: 70mm (with 2 chains) or 80mm (with 4 chains)
• Chains: 2 or 4 smooth chains or cam chains (with spikes)
• Working range: 80-130mm or 90-150mm
• Length: 220mm
• Coupling: 32mm / 1.1/4" T-Nut, bevelled
• Material: Stainless steel and spring steel, galvanised