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OTC 4122A 50-Ton Center-Hole, Power Twin® Ram - In capacities of 17-1/2, 30, 50, and 100 tons and for operating pressures up to 10,000 PSI; use these rams on Grip-O-Matic® pullers, Push-Pullers, and shop presses. OTC’s center-hole rams are ideal for jobs that require a great deal of force and a relatively short stroke. Compared to the force it develops, each center-hole Power Twin ram is lightweight, compact, and easy to handle, permitting its use in confined quarters. Center-hole feature permits extending jacking screws, cables, puller screws, etc., straight through the ram.
Quick change inserts: For added job versatility, Power Twin rams also feature a basic head which allows the operator to change from a tapped hole to a plain hole by merely changing the head insert (held in place by a socket-head set screw). In certain applications, the use of a plain insert is desired, since it permits using a speed nut for necessary readjustment after the ram has been extended, rather than turning the screw with a speed crank.
OTC 4122 Power Twin Ram Accessories
| OTC Part No.
| Description | Specifications
| 29595
| Speed Crank
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| 33439
| Speed Nut
| 1-5/8"-5-1/2 thread pitch
| 32698
| Adjusting Screw
| 1-5/8"-5-1/2 thread pitch, 30" long
| 22274
| Threaded Insert
| 1-5/8"-5-1/2 thread pitch
| 22275
| Plain-Hole Insert
| 1-11/16" diameter hole
| 34755
| Pushing Adapter
| 1-5/8"-5-1/2 thread pitch, 1" diameter shank | 34756
| Pushing Adapter | 1-5/8"-5-1/2 thread pitch, 1-1/4" diameter shank
| N / A
| Jack Screw |
| 28230
| Ram Cap
| 1-5/8"-5-1/2 thread pitch, 2-1/4" diameter
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 Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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