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ST13 50kN Wedge Grip (pair)

A capstan operated wedge grip where the grip body moves upwards under the capstan action, closing the jaws on the sample. This action minimises the preload applied to the sample by the grips. The jaws are spring loaded to the capstan rod, this eliminates backlash and allows the jaws to move when load is applied.

Various jaw sets are available allowing a flat samples to 20mm thickness and round samples up to 20mm diameter to be tested. Flat jaws are cut with a 90 degree 1mm pitch pyramid tooth form. Round sample jaws are cut with a buttressed tooth form with a 1.25mm pitch. Jaws are easily interchanged, requiring only the loosening of two screws. Special jaw sets are available to customer specification.

Full Description


These grips are supplied with a set of jaws as detailed in the specification.  If you do not require the standard jaws please select the “without jaws” option from the drop down price menu and then add to your cart the jaws you require from those shown at the bottom of this page

Maximum Load

Sample Size
This grip is supplied with 0-15mm flat faces as standard.

Sample Type
Metals, plastics, wires, composites, wood products etc.

15kg per pair.

Alternative Jaw Faces 
10-20mm flat samples
Part Number S46009
4 required

6-12mm diameter round samples
Part Number S13008
4 required

12-20mm diameter round samples
Part Number S13009
4 required