Carbon & Alloy Steels, Stainless, Exotic Alloys, Super Duplex & Non-Ferrous
Smith Bullough manufactures a wide range of special bolts and industrial fasteners to meet your requirements.
Below is just a small example of our capabilities – please contact us for further details.
Materials | Grades | |
---|---|---|
Carbon & Alloy Steels | Mild Steel, 080M40 / EN8, 605M36 / EN16, 709M40 / EN19 | 4.6, 8.8, 10.9, 12.9, R, S, T, V, A193 / A320 L7, L7M, B7, B7M |
Stainless Steel | 303, 304, 310, 316, 317, 321, 347, 410, 420, 431, 904L | A2-50, A2-70, A2-80, A4-50, A4-70, A4-80, A4-100, A193 / A320 B8, B8M |
Exotic Alloys | Hastelloy, Monel, Inconel, Nitronic, Titanium, 660 | Monel 400 / K500 Inconel 600 / 601 / 625 /718, A453 660A, 660B, 660D |
Super Duplex | UNS S31254, S32750, S32760 | S31254-F44, S32750-F53, S32760-F55 |
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″).


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.



