What G-clamp sizes are available?

     
     
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 G clamps are available in various sizes 

G-clamps are available in many different sizes.

 

It is always important to use a G-clamp of an adequate size to hold your workpiece, otherwise there is a risk of bending the frame and damaging the screw. 

 
     
 The size of a G clamp is measured by its jaw opening and throat depth The size of a G-clamp, and whether it is large enough for a particular workpiece, can be measured by its jaw opening and throat depth, which together determine the tool's clamping capacity.  
     
   

Jaw opening 

 
 The jaw opening of a clamp is how wide the jaws can come apart 

The jaw opening of a clamp is how far the mouth of the jaws can open. 

 

The size of the jaw opening usually increases by 25mm (1") with each size of G-clamp. 

 
     
 Jaw opening sizes 

The smallest jaw opening available is 25mm (1" approx.).

 

The largest jaw opening available is 300mm (12" approx.).

 
     
   

Throat depth 

 
 The throat depth is the distance from the jaws to the frame The throat depth is how deep the jaws of a clamp are, and is measured by the distance from the top edge of the jaws to the side of the frame.    
     
 Some models are designed with a deep throat 

The throat depth can vary, depending on the model of G-clamp.

 

Some models are specially designed with a deeper throat for clamping wider workpieces without increasing the whole size of the clamp. 

 
     
 Clamp throat depth 

The smallest throat depth available is 16mm (⅝").

 

The largest throat depth available is 200mm (8" approx.). 

 
     
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