Workholding Solution

D688

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Kurt (Minneapolis, MN) has re-introduced its flagship D688 vise model with more features than any other vise in its class. Having proven itself in the marketplace as the new machining vise standard, the D688 replaces the D675 model.

The D688 has the same footprint as the D675 (distance of keyway to stationary jaw is identical) so the two vises can be aligned on a vise table without problems. This allows machinists to phase in the new vise technology without making their existing vises obsolete.

The D688 features an 8.8 inch jaw opening and repeatability to within 0.001 inch. It produces up to 7,968 lbs. clamping force with just 80 ft. lbs. input torque. This is a 25 percent increase in jaw capacity and a 36 percent greater clamping torque than the D675 and similar competitor vises.

Designed with high precision roller bearings and alloy steel screw mechanism (competitor models use less efficient ball bearings), D688 vises distribute clamping force evenly and precisely across the full jaw surface. The Anglock® design in the moveable jaw (patented by Kurt) further reduces jaw lift. Providing overall vise rigidity while absorbing machining vibration, Kurt D688 vises have porosity-free, 80,000-PSI ductile iron bodies.

Additional features include removable, hardened jaw plates, ergonomically designed vise handle, and GrooveLock® workstops that store easily in the vise body.

The D688 vise is designed for use on the latest machine tools including machining centers and knee-type mills. The D688 is ideal for all types of machining operations including precision boring, tapping, drilling and finishing with high accuracy on most part configurations.

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