This heavy-duty design features a wing-nut handle, preferred especially in metalworking, welding and construction. It is a sliding head design: the sliding head is threaded to accomodate the screw. All adjustments are made in the moveable head, making this style fast-acting. Multiple-Disc-Clutch holds securely at any point along bar.
Reach - 2-3/4" from edge of bar to center-line of screw.
Bar - 1-3/8" x 5/16" round-edge, high-carbon steel; 100,000 pounds psi. tensile strength.
Castings - malleable and/or ductile iron; powder coated orange finish and baked-enamel finish.
Screw - 5/8" diameter cold-drawn steel with special, smoothly cut ACME threads; hardened steel thrust bearing;
Handle - wing-nut type
Clutch discs - hardened, plated steel; Three clutch discs and one clutch spring constitute the Multipe-Disc-Clutch.
Swivel - 1-1/4" diameter (#1046); exclusive Jorgensen design wtih steel internal tooth washers for positive "stay-on" power.
| Stock Number |
Maximum Opening Capacity |
Normal Load Limit |
| 4306 |
6" |
2,000 lbs. |
| 4308 |
8" |
2,000 lbs. |
| 4312 |
12" |
2,000 lbs. |
| 4318 |
18" |
2,000 lbs. |
| 4324 |
24" |
2,000 lbs. |
| 4330 |
30" |
2,000 lbs. |
| 4336 |
36" |
2,000 lbs. |