Bessey SG HD Heavy Duty Screw Clamp 300mm

About this tool

The Bessey SG HD Heavy Duty Screw Clamp with 300mm clamp capacity offers an excellent balance of reach and manoeuvrability for professional applications. With a clamping force up to 12,000N, this variant is perfectly suited for heavy timber construction, laminated wood beam assembly, and general steel fabrication where reliable, powerful clamping is essential. This 300mm model combines generous capacity with the proven SG HD design, featuring a 140mm throat depth that provides excellent versatility across a wide range of workpiece sizes. The robust all-steel construction ensures consistent performance in demanding environments including boiler construction, shipbuilding, and automotive engineering. Features and Benefits: • Exceptionally sturdy single-piece tempered construction for maximum torsion resistance and tensile strength • Heat-resistant tilting pressure plate adjustable up to 35° allows secure clamping on angled or sloping surfaces • Tempered spindle provides superior wear resistance and durability for long-term reliability • Robust tommy bar with hand-friendly rounded ends and hexagonal bolt delivers powerful, controlled clamping force Specifications: Clamp Capacity (Length): 300mm Throat Depth: 140mm Clamping Force: Up to 12,000N Tightening Torque: 40Nm Rail: 34 x 13mm Weight: 3.0kg

Retailer description · Tooled Up · Observed 12 Oct 2026. Check the retailer’s listing for full specifications and contents.