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What are the different vice dimensions?

         
         
  Shop for Vices  
         
         
  Wonkee Donkee guide to vice dimensions   Vices are available in a variety of different weights and sizes. A vice’s dimensions, which include its jaw width, opening capacity and throat depth, can determine whether a vice is capable of clamping a certain object.   
         
  Vice dimensions and capabilities   If a user wishes to clamp large and heavy objects, then a vice with a greater jaw width/opening and throat depth would be useful, as they have a greater capacity and less restrictions than smaller vices. This is due to their design, which allows them to hold longer or wider workpieces without any risk of breakage.  
         
     

Weight

 
  Vice weight   A vice’s weight is useful to know when making a purchase, in order to determine whether the work surface you want to mount your vice on is strong enough to hold the tool.   
         
  A vice is attached to a workbench   Check a workbench’s product specifications to know the maximum load capacity that it can hold. The average workbench can hold between 220-550 lbs (100-250 kg) which will sufficiently hold most types of vice.  
         
  Vices can massively vary in weight   The weight of vices varies, depending on each type and model. The lightest type of vice is the hand vice which can weigh as little as 1lbs (0.5 kg approx.) and the heaviest type of vice is an engineer’s vice which can weigh up to 180lbs (80 kg approx.).  
         
     

Jaw width

 
  The width of a vice's jaws  

The jaw width is how wide the jaws are from one side to another and is measured by the horizontal distance along the top of the jaw edge.

 

The width of the jaws’ surface indicates how much of a workpiece will be covered. 

 
         
  Vice clamping material in its jaws   The wider the jaws, the greater distribution of clamping pressure over a workpiece, and the more securely the jaws will be able to grip without damaging the material.   
         
  Jaw width and opening capacity increase simultaneously   The jaw width and their opening capacity usually increase in size simultaneously, because if the jaws become wider then the whole of the vice increases in size to be in proportion.  
         
     

Jaw opening

 
  The opening capacity of the vice jaws  

The jaw opening of a vice is how far the mouth of the jaws can open. This is determined by the length of the screw (which holds the jaws together), and the longer the screw, the further the sliding jaw can open from the stationary jaw. 

 
         
  Opening indicates how wide the jaws can open   The opening indicates the maximum capacity of the jaws, meaning that the vice will not be able to clamp an object wider than this.   
         
  Jaw opening   The opening capacity of the jaws can greatly vary between different types of vice. The smallest of hand vices only has a jaw opening of 2mm (0.1″ approx.), whereas some larger vices, such as a reversible metalworking vice, can open up to 350mm (14″ approx.).   
         
     

Throat depth 

 
  The depth of the vice's throat  

The throat depth is how deep the jaws of a vice are and is measured by the vertical distance from the top edge of the jaws down to the top of the screw/slide. 

 
         
  Maximum height of a workpiece that can fit in the throat of a vice   This indicates the maximum height of a workpiece that is capable of fitting into the throat of a vice.  
         
     

Clamp opening

 
  Opening width of a vice clamp   Some vices have an integrated clamp on them for portability. The clamp opening is how wide the integrated clamp will open, in order to fit onto the edge of a workbench.