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Cold Formed Steel Automotive Locking Bolt

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EPS Engineered Parts Sourcing Inc was contracted by a customer in the automotive industry to design the tooling and perform the cold forming for the bolt highlighted here.

Designing the manufacturing method for this product was an involved process, as the goal was to fabricate the custom piece with as few operations as possible. Our engineers were able to accomplish a remarkable 4 die process, with no secondary operations necessary. This lowered the projected cost for our customer.

The needed tooling was fabricated, and our in-house 4 die 4 blow ½" National Bolt Maker was employed to cold form 1018 steel into the fastener. This part featured dimensions of 15mm x 13mm, with a tight tolerance of ±0.00155" for the shoulder diameter. Optical Sorting was utilized to test the unit for quality and accuracy. This is a high volume unit, with 500,000 pieces manufactured yearly and shipped to the client in Michigan. Typical turnaround time for a project of this magnitude is 8 - 10 weeks. To learn more about this custom cold forming project or our other capabilities, please see the table below or contact us directly.

Highlights of this Cold Forming Project

Product Description
Automotive Seating
Cold Forming Capabilities Applied/Processes
Primary:
Cold Forming
Process Design/Development
Engineering
  • Tooling Design
Equipment Used to Manufacture Part
4 Die 4 Blow 1/2 Inch National Bolt Maker
Overall Part Dimensions
15mm x 13mm
Tightest Tolerances
Shoulder Diameter of ± 0.00155 Inch
Material Used
1018 Steel
Material Finish
Light Oil
In process testing/inspection performed
Optical Sorting
Industry for Use
Automotive
Volume
500,000 pcs per year
Delivery/Turnaround Time
8 - 10 weeks
Delivery Location
Michigan
Standards Met
Customer Specifications, 2D CAD Drawing
Product Name
Fastener (EPS Part # ABE6)

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