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                          BS 1127 
For use in diestocks to produce external screw threads.
                        
| Thread Direction | Right Hand | 
| Thickness | 7/16in | 
| Material | HSS | 
| Thread Standard | UNC | 
| Thread Size | 3/8in. x 16 | 
| Outside Diameter | 1-5/16in | 
| Dimensions Standard | BS 1127 | 
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