CAPABILITIES Screw Machining Precision CNC Machining Tool & Die Design
and Manufacturing
PAST PROJECTS CNC Machining of a Rear End
Differential Ring for the Heavy
Duty Construction Vehicle
Precision Screw Machining
of Steel Bleeder Screws
for an Automotive Application
CNC Machining of a Brake
Drum for the Commercial
Vehicle Industry
Screw Machining of Flanged
Inserts for the Automotive
Screw Machine Production
of Flare Nuts for the
Automotive Industry

Screw Machining of Steel Flanged Inserts for the Automotive Industry

Screw Machining of Steel Flanged Inserts for the Automotive Industry

An automotive industry customer came to Madison Tool & Die, Inc. seeking high volume custom screw machining and threading services. The customer required steel flanged inserts for use in the automotive industry. The inserts would be used in plastic injection molded parts on an automotive application.

Madison Tool and Die is highly experienced in the production of a wide variety of inserts molded into plastic moldings. Our unique radial knurl provides strong resistance to pull-out and rotation. We also use a 6 spindle screw machine, ideal for automated high volume production.

The 7/16", ¼-20, 12L14 steel inserts, were completed to customer tolerances of ±0.005". The parts were also finished with a 210 zinc clear chromate plate. We deliver approximately 1 million flanged inserts to this customer per month / 15 million per year, with a turnaround time of 3-4 weeks.

To learn more about this custom screw machining and threading project, or our other products and services, please contact Madison Tool and Die.

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Highlights of this Custom Flanged Insert Screw Machining Project Specifications

Custom Screw Machining These flanged inserts are used to hold plastic injection molded parts on an automotive application.
Precision Screw Machining Capabilities Applied/Processes
Screw Machining
  • Turn Knurl Diameter
  • Knurl
  • Center Drill
  • Drill Center Bore
  • Cutoff
  • Inner Diameter
  • Outer Diameter
210 Zinc Clear Chromate Plating
Equipment Used to Manufacture Part 6 spindle Screw Machine
Overall Part Dimensions Length: 7/16"
Threads per Inch: 20
Thread Diameter: 1/4"
Customer Tolerances ± 0.005"
Material Used 12L14 Steel
Thickness: 7/16" round
Material Finish 210 Zinc Clear Chromate Plated
Benefits Unique radial knurl provide strong resistance to pull-out
Offers high resistance to rotation
Ideal for automated high volume production
In process testing/inspection performed Check all outside and inside diameters and lengths as well as hole diameters and surface finishes, knurl height and alignment
Industry for Use Automotive Industry
Volume 1,000,000 per month
15,000,000 per year
Delivery/Turnaround Time 3 to 4 weeks
Delivery Location Midwest
Standards Met Customer Supplied Specs
ISO 9001 - 2008
Product Name Flanged Inserts

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