Countersunk Socket, ANSI B18.3, UNF, High Tensile Steel ASTM F835, Zinc Plated, Full Thread

Countersunk Bolt lengths are measured including the head
| Material Grade | ASTM F835 | 
|---|---|
| Finish | Zinc | 
| Thread | Unified Fine (UNF) | 
These products comply with the following standards:
| ANSI B18.3.1998 | Dimensional standard for socket products (Unified) | 
|---|---|
| BS 2470.1973 | Specification for Hexagon socket screws and wrench keys-Inch series | 
| ASTM F835 - 12 | Standard Specification for Alloy Steel Socket Button and Flat Countersunk Head Cap Screws | 
            
            
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