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High-Torque Retention Knobs Constructed of High-Strength Steel

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JM Performance Products offers high-torque retention knobs in high-strength 9310 steel. 


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JM Performance Products offers high-torque retention knobs manufactured from high-strength 9310 steel. The knobs have a design that prevents toolholder distortion and are said to work in any new or used toolholder made to industry specifications.

The high-torque retention knobs have the same head dimensions as a traditional retention knob but are longer and 40 percent stronger than standard knobs, the company says. The additional length added to the shank of the knob below the flange is said to increase its durability. This feature along with a precision pilot and controlled threads enables the stress to be distributed into a deeper corss-section of the toolholder where it has more resistance.

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