For over a quarter of a century, Donnelly Bros Inc has been solving injection molding problems...
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Custom & Stock Screws

     There many different base materials for manufacturing screws and many different screw designs.  Let us know what you are running and we can advise you on the correct material and design you should use for your process.

Products

Nitralloy Nitride
D2 / Cruwear
4140 Stellite & Chrome
4140 Col 56/88 & Chrome
N 135M Col 56/88 & Nitride
     

17-4 STAINLESS STEEL COLMONOY 56

     
CPM 9V / 420 Stainless Steel
Carbide Coating

Custom and Stock Screws

Highest Quality & Personal Service
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