What are the parts of an angle clamp? 

     
Angle clamp main parts     
     
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 Parts of an angle clamp All angle clamps have similar parts. However, the position of these parts can vary slightly depending on the make and model. The main parts consist of a number of jaws with clamping surfaces, a screw and a handle. 
     
   

Jaws

 
 The jaws hold the workpiece during clamping 

The jaws are the part of the clamp which hold the workpieces during clamping. They are designed with a 'V' shape compartment where the workpieces are placed, in order for them to meet at a 90 degree angle.  

 

Each jaw has a clamping surface along its edge, which is pressed against the side of a workpiece during clamping, keeping it in place.

 
     
 The back jaw can tilt 

Back jaw

On a single screw angle clamp, the back jaw can pivot to various angles, to allow for workpieces of different sizes to be clamped. 

 
     
 A double screw angle clamp has two back jaws A double screw angle clamp has two back jaws which can be adjusted independently using the connected screws.  
     
 The front jaw can move to adjust for workpieces of different thickness 

Front jaw

Single screw angle clamps have a front jaw (also known as the head) which can be moved backward and forward, and pivoted to the left or the right, in order to fit workpieces of various thickness.

 
     
 The jaws are shaped like a V It has two clamping surfaces which make up a 'V' shape and are used in conjunction with the clamping surfaces on the back jaw to hold a workpiece steady.  
     
 A double screw angle clamp has two front jaws A double screw angle clamp has two front jaws, which are static and set at a 90-degree angle to each other.  
     
   

Screw 

 
 An angle clamp has a large threaded screw 

An angle clamp has a large threaded screw, which is responsible for controlling the opening and closing of the jaws.

 

An angle clamp will have at least one screw – however, some models have two. The screw is rotated by turning the handle. 

 
     
   

Handle 

 
 The handle controls the screw The handle controls the movement of the screw by either tightening it or loosening it, depending on the direction in which it is turned. When the handle is turned to the right, the screw will be tightened and the jaws will close. When the handle is rotated to the left, the screw will loosen and the jaws will be opened.  
     
 Some angle clamps will have a sliding pin handle Similarly to the screw, an angle clamp may have more than one handle. A double screw angle clamp will have two handles, usually in the form of a sliding pin.  
     
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