Leading U.K. Manufacturer of Metric & Imperial - BSW (Whitworth), BSF, UNC, UNF Bolts & Nuts
Smith Bullough manufacture a wide range of special Bolts and industrial fasteners. We manufacture bolts in most head types including Hexagon Head, Square Head, Cup Square, Cup Round, Csk Square, Csk Round, Cup Nib & Csk Nib.
We offer an extensive range of standard & special fasteners in an array of threadforms (Metric, BSW (Whitworth), BSF, UNC & UNF) and finishes.
Our range of manufacture includes :
- Hexagon Headed Bolts
- Square Head Bolts
- Cup Square Hexagon & Cup Round Hexagon
- Cup Nib Bolts & Csk Nib Bolts
- Csk Square Bolts / Ploughbolts
- Square Square Hexagon / Holding Down Bolts
- Indented Foundation Bolts
- Ajax Bolts & Pyramid Bolts
- T Bolts
- Petrochemical Bolts, Nuts, Studbolts in L7, L7M, B8, B8M
- Allthread & Engineers Studs
- Special Head shapes manufactured to customer specification
Our range is available from stock or blanks for rapid delivery.
Materials - Steel, Stainless & Exotics
Smith Bullough manufacture fasteners in most materials, including:
- Carbon Steel - Grades 4.6 - 14.9; R, S, T, V; SAE8
- Stainless Steel - A2, A4, B8/M
- Super Duplex - UNS S31254, S32750, S32760
- Exotic Alloys - Hastelloy, Monel, Inconel, Nitronic, Titanium, 660
- Non-Ferrous - Hiduron, Cupro Nickel, Aluminium, Phosphor Bronze, Copper
Metric and Imperial Special Bolting
Smith Bullough stock and manufacture industrial fasteners in Metric, UNF, UNC, BSF & BSW (Whitworth) threadforms.
Sizes range from M6 (1/2") to M52 (2") Diameter. Length < 900mm (36").
A wide array of finishes available including Self Colour, Zinc Plated, Galvanised, Sherardized, Dacromet & Geomet.