Regular Duty Clamp Size Chart

Part No.

 Capacity
A (in) 		Throat Depth
B (in)

Clamping
Pressure (lb)

 Rail Size
C (in) 		Tapped Hole
D 		Weight
(lb)
UM65 6-1/2 5-1/2 2,400 1-3/16 x 9/16 3/8-16 5.4
UM85 8-1/2 5-1/2 2,400 1-3/16 x 9/16 3/8-16 5.9
UM105 10-1/2 5-1/2 2,400 1-3/16 x 9/16 3/8-16 6.4
UM125 12-1/2 5-1/2 2,400 1-3/16 x 9/16 3/8-16 7.0
UM165 16-1/2 5-1/2 2,400 1-3/16 x 9/16 3/8-16 7.6
YM205 20-1/2 5-1/2 2,400 1-3/16 x 9/16 3/8-16 8.7