The Doughty T30400 is a steel universal clamp for 48mm tube – the industry standard way to drop M12 studding from barrel. It is shaped to captivate a bolt head or nut and is rated to a WLL of 200kg vertical load.
Drops M12 studding from 48mm barrel
Shaped to captivate a bolt head or nut
S275 mild steel
Zinc plated (BZP)
5:1 safety factor
| Part number | T30400 |
| Type | Universal clamp (stud drop) |
| WLL | 200kg vertical load |
| Factor of safety | 5:1 |
| Tube diameter | 48mm (data sheet: 48-51mm) |
| Fixings | For M12 fixings (not supplied) |
| Clamp width | 30mm |
| Max tightening torque | 30Nm |
| Material | S275 mild steel |
| Finish | Zinc plated (BZP) |
| Weight | 0.43kg |





