Fig 563 Wide Throat Beam C Clamp with Lock Nut
APPLICATION: Wide Throat Top Beam “C” Clamps with Locknuts are used to mechanically attach hanger rods to supporting structural members where wider throats are required for proper attachment. This design is particularly useful under roofs with bar joists. This “C” Clamp must be used with the set screw on the bottom side of the beam.
CONSTRUCTION: Wide Throat Top Beam “C” Clamps with Locknuts are made of carbon steel. Hardened steel cup point “set screws” with carbon steel locknuts are also provided.
FINISHES AVAILABLE: Black, Electro-Plated or HDG.
ORDERING: Specify figure number, rod diameter, name and finish.
EXAMPLE: Fig. 563, ½”, Wide Throat Top Beam “C” Clamp with Locknut, HDG.

Wide Throat Beam C Clamp
Fig 563 Wide Throat Beam C Clamp with Lock Nut
ROD DIA. A (IN) | B (IN) | C (IN) | D (IN) | E (IN) | MAX. REC. LOAD (LBS)* | WT EA |
---|---|---|---|---|---|---|
3/8 | 1 11/16 | 3/4 | 29/32 | 3/8 | 400 | 0.34 |
1/2 | 1 11/16 | 1 1/8 | 7/8 | 3/8 | 500 | 0.5 |
5/8 | 2 1/4 | 1 1/4 | 1 | 1/2 | 600 | 0.53 |
3/4 | 2 3/8 | 1 1/4 | 1 1/8 | 9/16 | 800 | 0.86 |