Finding name:

Butterfly clutch/ Military clutch

Purpose: To grip a pin post that is attached to some kind of ornamentation or insignia, after the pin post has been pushed through a garment. This is the most common of clutch back type fastners.
Sizes: Standard size is  1/2 " in diameter
Shapes: Available as round.

Qualities
 Material:

Steel, brass
 Qualities
   Functionalities:
Look for excessive stretch marks, poor crimping at points of assembly, burrs on finger grips, binding internal grips, loose internal  grips.
Key question: Will it work with automatic feeding or assembly equipment

Guyot Brothers does not produce this type of jewelry finding, may we suggest you continue your search here 

Google

 


     

 

 

 

 

All Guyot Products are now part of 
Salvadore Tool & Findings
401-272-4100

  (c) 2003-2018 Guyot Brothers Co Inc,  A jewelry findings manufacturer