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ST50 250kN Hydraulic Vice Grip_productST50 300kN Hydraulic Vice Grip
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ST50 300kN Hydraulic Vice Grip

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Product Description

Maximum Load

300kN clamping force at 6 bar, 333kN at 8 bar pneumatic. Tensile rating 300kN.


Sample Size

145mm wide, 30mm thick. Round samples 6-15mm and 15-30mm diameter.


Sample Type

Metals, rubber, plastic, composites etc.



140 kg per pair.



Round jaw faces 6-15mm dia

Part Number S50009


Round jaw faces 15-30mm dia

Part NumberS50010


Spare flat jaws

Part NumberS50008


Pneumatically driven oil pump with valves

Part NumberS50011


Sample holder

Part NumberS50012




The grip is a single acting hydraulic vice with manual adjustment of the opposing jaw face. This arrangement allows asymmetric samples to be held centrally in the machine. Flat or round jaws are available as standard. Flat jaws are pyramid cut with 1.5mm pitch teeth, finer teeth for hard specimens can be supplied on request. We can also supply other faces such as waved, rubber coated, aluminium or hard faced if required.


The standard power pack is pneumatically driven, producing 350bar at 6 bar of pneumatic pressure. Maximum air pressure is 8 bar which gives a clamping force of 333kN. Grips are controlled by separate valves allowing each grip to be closed independently. An alternative arrangement is offered which requires both hands to close the grips, improving operator safety. With this arrangement the optional sample holder is required. An electrically driven pump is available if an air supply is not available.


The sample holder is a vice arrangement which holds the sample centrally in the grips while the grips are closed, it clips to the static jaw on the lower grip. The sample holder only works with rigid samples.

Our Location

Hours of Operation:

Customer service and office hours are
8:30 am - 5:00 pm Monday to Thursday

8:30 am - 3:30 pm Friday

Contact Us

Office: +44 (0) 1489 790049

Fax: +44 (0) 1489 790040


Our mailing address is:

Unit 1 Calcot Mount

Curdridge, Southampton


SO32 2BN

Registered in England No. 3070765





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