Custom Cold Headed Knurled Fastener
When a client needed a custom steel fastener with a precise knurled finish and tightly controlled dimensions, they turned to The Federal Group for a production-ready solution. Using SAE 1018 steel and precision cold heading techniques, we manufactured the fastener to meet the customer’s dimensional requirements while incorporating the knurled feature into the finished part.
The Challenge: A Fastener with a Critical Knurled Feature
The application required more than a standard headed fastener. The custom component incorporated a diamond-knurled section designed to provide a secure mechanical interface while meeting specific dimensional requirements.
The customer’s drawing included tight tolerances on the knurled diameter, head dimensions, and body geometry. The part required a manufacturing process capable of producing these features consistently and economically at production volumes.
A Custom Cold-Heading Solution
The Federal Group manufactured the fastener from SAE 1018 steel using cold heading and cold-forming processes. The process efficiently formed the fastener geometry while maintaining material integrity and a consistent finished profile.
The diamond-knurled feature was incorporated into the manufacturing process to maintain the required geometry and dimensional control while reducing the need for secondary machining. Our custom fastener manufacturing and cold forging capabilities provide efficient solutions for producing complex metal components to customer-specific requirements.
Precision Inspection Across Production
Because the knurled diameter and other dimensions were critical to the application, inspection was an important part of the production process.
The Federal Group uses dedicated gauges to verify critical dimensions and confirm that finished fasteners remain within specification. The inspection videos accompanying this case study demonstrate the use of different gauges to check the finished parts and verify dimensional consistency.
This combination of cold forming, controlled knurling, and dimensional inspection allows us to maintain repeatability from part to part while supporting efficient production.
The Result: Consistent Custom Fasteners
The finished fastener delivered the required combination of strength, dimensional control, and knurled surface geometry in a production-efficient cold-headed design.
By manufacturing the component from SAE 1018 steel and forming the geometry through cold heading, The Federal Group provided a scalable solution for producing consistent custom fasteners while minimizing unnecessary secondary machining.
The result was a custom cold-headed fastener manufactured to the customer’s specifications with the repeatability required for production use.
Your Next Custom Fastener Starts Here
From knurled fasteners and headed pins to custom bolts, studs, and specialty cold-formed components, The Federal Group provides custom fastener manufacturing solutions engineered around your application and print requirements.
Our cold heading, cold forging, and cold forming capabilities allow us to manufacture precision metal components efficiently for production applications.
Have a custom fastener that needs to be manufactured at production volume?
Contact The Federal Group to discuss your next project or request a quote.
