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cold formed splines

cold headed specials

high speed cold heading machine
Cold Heading

Brunner Manufacturing, Inc. starts the value added process by cold forming parts to our customers’ specifications

Up to six-die cold forming.

  • Max Diameter 1 3/8” (M35)
  • Max Length 21” (533mm)


Special Fastening Products

If it is a challenging component that you are designing, let Brunner Manufacturing be the company to partner with. We can cold-form splines, 12 points shapes and other special configurations on our progressive headers.

High speed, quick changeover bolt makers with automatic thread rolling, pointing and knurling



For high-quality bolts, Brunner is your source for a wide range of sizes. Our high speed bolt makers are capable of heading, pointing and rolling parts complete in speeds up to 300 parts per minute to satisfy our OEM customers’ high volume needs at very competitive pricing.

Size Range

  • Diameter up to 1 1/8 or M30
  • Lengths up to 10" or 254mm

Types of Bolts

  • Hex head bolts
  • Hex flange bolts
  • Shoulder bolts
  • T-Head Bolts
  • Curved head bolts
  • Eye bolts
  • Step bolts
  • Wheel bolts
  • Lug bolts
  • J-Bolts
  • Square Head Bolts



If you are looking for a domestic manufacturer of standard and special pins, then Brunner Manufacturing, Inc is your best choice. Since 1963, we have been manufacturing pins for a wide variety of industries.

Size Range

  • Diameter up to 1 1/4 or 31mm
  • Lengths up 10" or 254mm

Types of Pins

  • Clevis Pins
  • Headed Pins
  • Grooved Pins
  • Hinge Pins
  • Hitch Pins
  • Weld Pins
  • Screw Pins


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