Special fasteners

Special fasteners manufactures to customer requirements:

  • To drawings
  • With additional testing
  • To customer and end user specifications
  • With unusual threads
  • In unusual materials
  • With special dimensions and tight tolerances
  • With specified manufacturing methods

Types of fasteners include:

  • Hex bolts & setscrews
  • Nuts - hex, round flange
  • Socket head capscrews
  • Wasted studs
  • 12 point ferry head bolts
  • Engineer studs
  • Cap nuts
  • Studbolt assemblies

Studbolts

ASTM petro-chemical grades bolting from stock:

  • Studbolts assemblies
  • Hex products (bolts, setscrews & blanks)
  • Hex nuts
  • Socket capscrews
  • Studding/allthread

Size range:

  • M6 to M100 (Metric coarse thread)
  • ¼” UNC to 1-1/2” UNC
  • 1-1/8” UN8 to 4” UN8

Pipeline products

Flanges:

  • Weld neck
  • Blind
  • Socket weld
  • Slip on
  • Threaded
  • API subsea
  • Spectacle
  • Blind
  • Paddle
  • Swivel & Anchor

Fittings (forged/butt weld):

  • Elbows
  • Tees
  • Reducers
  • Caps
  • Sockets
  • Unions

Plus:

  • Gaskets
  • Pipe
  • Valves
  • Blocks
  • Tees
  • Crosses

Cold formed fasteners

  • Hex bolts/setscrews
  • Flange bolts
  • Tee bolts
  • Eye bolts
  • Carriage bolts
  • Scaffold bolts
  • Roof bolts
  • Jacking screws
  • Plough bolts
  • Socket products

Size range:

  • (M6 to M16) x 150mm long
  • (¼” to 5/8” dia) x 6” long

Thread forms

  • Metric coarse
  • Metric fine
  • Metric J
  • UNF
  • UNC/UN8
  • UNJ
  • BSF
  • BSW

Plating

  • Zinc
  • Zinc nickel
  • Hot dip galvanised (HDG)
  • PTFE/Xylan/Xylar/Teflon
  • Phosphate
  • Molykote
  • Cadmium
  • Sermagard
  • Delta protekt

Heat Treatment

  • Quenching & tempering
  • Normalising
  • Precipitation hardening
  • Nitriding
  • Case hardening
  • Thru hardening