Step chuck collet closers

Step chuck collet closers

5C step chuck collet closers from Lexair Inc. (www.LexairInc.com) are made with threaded noses and designed to accept standard 5C collets up to 0.6875-in. diameter, 5C step chucks up to 6-in. diameter and expanding 5C collets for I.D. holding.

The closers operate at up to 150 psi air pressure or 750 psi hydraulic pressure, and have a drawtube force of 7.5 times line pressure. This produces a theoretical clamping force of 1, 688 lb. on air and 8,438 lb. on hydraulic at maximum drawtube force.

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