One-Touch Indexing Clamps/Plungers

One-Touch indexing clamps, often referred to as indexing plungers, are quick fasteners that slide or rotate with precise locating for position adjustment.

Indexing clamps, when incorporated into fixtures, jigs, and other workholding mechanisms, are designed for positioning applications that require fast and easy locating and relocating of work materials. When engaged, the nose of the plunger extends into the workpiece, helping to hold its location. They feature a quarter-turn knob with on/off markings along with a perceptible "click" when locking and unlocking.

The indexing clamps come with or without spring pressure. With the spring pressure version, the tapered pin is pushed out by the spring when the tapered bushing and tapered pin are aligned. Without spring pressure, you can turn the knob when the tapered bushing and tapered pin are aligned. Both types are available in 1 or 1.2 in. (26 or 32 mm) diameters. Overall lengths vary between 1 and 2 in. (33 and 58 mm) in the Off position.

The spring pressure clamp comes with a 3-position version that includes a "mid" position on the knob between the on and off positions. A red indicator band is visible when the fastener is in the off position. The tapered surface contact provides +/- 0.05 repeatability. The on/off marking and click eliminate human error. Turning the handle reduces workpiece setup time and the spiral cam mechanism provides high clamping force up to 170N with no displacement of the axial load.

In addition, Fixtureworks offers tapered bushings with or without thread to accompany the clamps. They, like the clamps, help provide fast, repetitive locating, accurate positioning, and secure holding. They are available in 0.3 and 0.4 in. (8 and 10 mm) diameter sizes and are made from 1045 steel with an electroless nickel-plated finish. 

Fraser, MI
(888) 794-8687
[email protected]

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