About Topfast

We are Fastener Specialists

We try to have the widest range ex-stock.

 

Threads we carry include

  • 8-UN : Constant Pitch UNC
  • BA : British Association
  • BSF : British Standard Fine
  • BSP : British Standard Pipe
  • BSW : British Standard Whitworth
  • Metric Coarse
  • Metric Fine
  • NPT : National Pipe Thread
  • PG
  • UNC : Unified National Coarse
  • UNF : Unified National Fine
  • ↺ Left Hand BSW
  • ↺ Left Hand Metric Coarse
  • ↺ Left Hand Metric Fine
  • ↺ Left Hand UNC
  • ↺ Left Hand UNF

 

Materials include

  • Aluminium
  • Brass
  • Copper
  • Nylon
  • Silicon Bronze
  • Stainless A1-A2-A4
  • Steel Carbon & Alloy
  • Titanium

 

Size ranges available

  • Metric
    • from 1.6mm diameter
    • to 76mm diameter
  • Imperial
    • from NC #2
    • to 1-1/2 inch