Cold Headed Specials

Sems Fasteners

  • Pre-assembled washer and screw units
  • Reduce costs by eliminating separate handling of screws and washers
  • Eliminate washer waste
  • Simplify purchasing, scheduling, and inventory control
  • Increase product reliability – fastenings remain secure
  • Parts manufactured to your exact specifications
  • Cost savings through recommended engineering changes resulting in superior product design

Manufacturing Capabilities

Size Ranges: #2 Through 1/2″ Diameter
Materials: All Ferrous & non-ferrous metals
Minimum Quantities: 1000 pieces

Secondary Capabilities:

  • Bending
  • Broaching
  • Captivating
  • Centerless
  • Grinding
  • Drilling
  • End Slotting
  • Grooving
  • Nylon Patching
  • Pointing
  • Shaving
  • Swaging
  • Tapping
  • Trimming

Finishes:

  • Plain
  • Zinc
  • Cadmium
  • Black Oxide
  • Phosphate
  • Nickel
  • Chrome
  • ROHS Compliant
  • Special Finishes Upon Request

Multi -Blow Headers

Multi-Blow Headers eliminate the need for costly secondaries on those hard to find special shoulder bolts, collar studs, trimmed hex washer heads and oversized head and shoulder parts. We have expanded our manufacturing to include:

  • Two Nakashamada PF 630 2 Die 3 Blow Cold Headers with a capacity range of #4 thru 1/4 diameter
  • Two Nakashamada PF 860 2 Die 3 Blow Cold Header with a capacity range of 1/4 thru 3/8 diameter
  • One Sakamura 3 Station Transfer Header with a capacity range of #8 thru 5/16 diameter
  • Two National 3 Station Transfer Headers with a capacity range of 1/4 thru 3/8 diameter

We have also expanded our size range to include #2 thru 5/8 diameter for most special and standard parts. We can handle up to 6 inches in length on open die headers.