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FEATURES: Screw jack with a spring-loaded clutch mechanism. Knurled head disengages when the indicated end force is reached. Prevents exerting excessive force on thinwall and other delicate workpieces. Furnished with Knurled Check Nut. Made in USA.
SIZES: Available in the following thread sizes — see Dimensions page for part numbers:| | 1/4-20 | | | 5/16-18 | | | 3/8-16 | | | 1/2-13 | | | 5/8-11 |
MATERIAL: Body, knob, and check nut > 12L14 steel, black oxide finish. Spring > Spring steel. Ball > 440C stainless steel. |
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Torque Screw Jacks provide controlled torque counterclockwise, and positive retraction clockwise.
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