Spear and Jackson G clamp.
- Guaranteed unbreakable ductile iron frame can achieve a clamping force up to 450 – 1136 Kgf depending on the size
- Tommy bar will bend before the clamp becomes over stressed
- Twin start rolled acme thread applies pressure quickly and smoothly to the workpiece
- The steel swivel shoe applies an even pressure even on angled surfaces
- Ideal for medium to heavy duty wood and metal working applications
Sizes available
E20-3 75mm
E20-4 100mm
E20-6 150mm
E20-8 200mm
Call us on 01243 784411, use our contact form or come and visit us instore.












