Bessey 4800S-18 High Performance Heavy Duty All-Steel Bar Clamp has 18" Clamping Capacity, 7" Throat Depth, and 4880 lbs of Clamping Force. 

Bessey's High Performance 4800S series all-steel bar clamps offer uncompromising quality and patented features that make it one of Bessey's most popular clamps.  The Bessey 4800S series clamps have all the great features the 2400S series offers, but with nearly twice the clamping force.  This series also features a 19mm hexagonal head on the spindle to assist in tightening (torque of 70Nm or less).

Features:

• Patented rail profile offers more clamp force with fewer spindle turns
• Patented MorPad can tilt up to 35 deg and extend clamp life, even at full capacity
• Heat treated, high carbon Acme threaded screw givesgreater load capacity, longer life and spatter resistance
• 19mm Hexagonal head at the end of the spindle to assist in tightening (torque of 70Nm or less)
• High-streength electro-galvanized sliding pin T-handle has rounded ends for comfort and is size engineered for best load capacity.  Also comes with an ergonomic grip
• The U-Shaped tempered steel sliding arm offeres straight-line power transmission and great stability

WARNING: Cancer and Reproductive Harm—www.P65Warnings.ca.gov