Manufacture of Quality Special Bolting

special bolt manufacture hot forging, cnc machinining, thread rolling hexagon, cup, csk, square, nib, bolts, setscrews disc cutter spark eroder

Welcome to
Smith Bullough

Situated in Wigan, near Manchester, Smith Bullough is one of the U.K's leading Bolt and Nut Manufacturers.

Whether hot forged, cold formed, mild steel, high tensile, metric or imperial - Smith Bullough has a solution to meet your industrial fastener requirements.

Industrial Fasteners - BSF, BSW, UNC, UNF, Metric

We manufacture a huge range of standard & special bolts & fasteners in a vast array of materials, threadforms and surface finishes such as:

  • Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms
  • M6 (1/4") to M52 (2") Diameter. Length < 900mm (36").
  • Hexagon, Cup Round, Square Round, Nib and many more
  • Special Head shapes manufactured to customer specification
  • Petrochemical Bolts
  • Exotic Materials including Super Duplex, Super Alloys
  • Hot Forged or Cold Formed Bolts & Setscrews
  • Blanks for express turnaround
  • Metric Grades - Mild Steel Gr 4.6 to High Tensile Gr 14.9
  • Imperial Grades - Mild Steel & High Tensile 'R','S','T,','V'
  • Surface finishes include Zinc, Galvanised, Sherardized, Geomet, Delta

A bolt and fastener manufacturer of many years experience in the trade - manufacturing Metric, BSW (Whitworth), UNC, UNF, and BSF bolts to standard or special dimensional requirements.

Smith Bullough supply the widest range of standard and special hot forged and cold formed industrial fastener products in the U.K.

UK's Largest Stocks of Imperial Bolts

We hold large stocks of imperial bolts in BSW (Whitworth), BSF, UNC and UNF, as well as a comprehensive range of blanks that enable us to quickly supply and manufacture to your exact requirements. Contact us now and we'll be happy to help.


special bolt manufacture hot forging, cnc machinining, thread rolling hexagon, cup, csk, square, nib, bolts, setscrews
hot forged blanks `whitworth bolts