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Home » What We’ve Made » Cold Drawn Cocking Hammer for Firearms Industry

Cold drawing offers significant advantages in producing metal components that require both strength and dimensional accuracy, which makes it useful for manufacturing items like pistol hammers. During cold drawing, the metal is pulled through a die at room temperature, which compresses its internal structure. This process increases the material’s tensile strength, hardness, and wear resistance, resulting in a hammer that can better withstand repeated cycles of impact against internal firearm components. Because the hammer experiences frequent mechanical stress, these enhanced material properties help improve durability and long‑term reliability.
Another key benefit of cold drawing is its ability to produce parts with tight dimensional tolerances and a smooth, consistent surface finish. For a pistol hammer, precise geometry is essential for proper engagement with sears, springs, and other fire‑control elements. Cold drawing minimizes machining requirements by delivering near‑net shape material with high accuracy, reducing the risk of misalignment or inconsistent trigger performance.
To learn more about this profile as well as others, or how cold drawn and cold rolled profiles could benefit your application, please contact Rathbone Precision Metals today or visit www.rathboneprofiles.com
| Label | Content |
|---|---|
| Product Description | Pistol Cocking Hammer |
| Product Application | Pistols |
| Capabilities Applied/Processes | Cold draw serrations in fine detail and hold tight corner radii in critical areas while holding to customer partial decarb requirements not to exceed .025”. The process utilizes a combination of multiple cold rolling and cold drawing. |
| Customer Benefits: | Cold drawn profile provides an excellent solution for a contoured part that would be challenging to machine. Tight tolerances are better than industry standards. |
| Overall Profile Dimensions | 1.400″ x 0.900″ Random Mill Lengths (RML) |
| Tolerances | Profile of line of 0.002” |
| Material Used | 4140 Steel and Trimrite Stainless |
| Max Material Finish | 80 Ra |
| Estimated Profile Weight | 1.990 lbs. per ft. |
| Industry for Use | Firearms |
| Standards Met | Per Customer Supplied Specifications |