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Cold Rolled & Cold Drawn Metal Profiles

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Cocking Hammer for Firearm Industry

firearm hammer

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

Cold Drawn Cocking Hammer for Firearm Project Highlights

LabelContent
Product DescriptionPistol Cocking Hammer
Product ApplicationPistols
Capabilities Applied/ProcessesCold 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 Dimensions1.400″ x 0.900″
Random Mill Lengths (RML)
TolerancesProfile of line of 0.002”
Material Used4140 Steel and Trimrite Stainless
Max Material Finish80 Ra
Estimated Profile Weight1.990 lbs. per ft.
Industry for UseFirearms
Standards MetPer Customer Supplied Specifications