The Style No. 4000, one of the strongestt Jorgensen styles made, is a fixed-head desgin. The screw and handle is used for final clamping adjustment only. The tail-stop containing the Multiple-Disc-Clutch is moveable and holds securely at any point along the bar and may be rapidly and easily moved toward or away from the work being clamped.
Clamping faces -approximately 2" x 1-3/4".
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.
Screw - 5/8" diameter cold-drawn steel with special, smoothly cut ACME threads; hardened steel thrust bearing;
Handle - crank-type
Clutch discs - hardened, plated steel; five clutch discs and one clutch spring constitute the Multipe-Disc-Clutch.
| Stock Number |
Maximum Opening Capacity |
Normal Load Limit |
| 4024 |
24" |
6,000 lbs. |
| 4030 |
30" |
6,000 lbs. |
| 4036 |
36" |
6,000 lbs. |
| 4048 |
48" |
6,000 lbs. |
| 4060 |
60" |
6,000 lbs. |
| 4072 |
72" |
6,000 lbs. |
| 4084 |
84" |
6,000 lbs. |
| 4096 |
96" |
6,000 lbs. |
