Delivering Fluid Sealing Solutions Since 1972


A Complete Fasteners Solution

M Barnwell Services are the UK’s leading fluid sealing solution provider but also supply a wide range of Special Fasteners and Hot Forged Bolting products. For over 50 years we have been committed to servicing Producers, OEM’s and Distributors involved in the Automotive, Agriculture, Earth Moving and Construction, Manufacturing, Petrochemical, Pharmaceutical and Food and Drink industries.

Fasteners are provided in a range of dimensions, materials and surface finishes to suit your application.

Fastener products supplied include:

  • Threaded Rod – Imperial & Metric
  • Heavy Series Hexagon Nuts, Lock Nuts
  • All Metal Locking Nuts
  • Fully Threaded Studbolts C/W Hex Nuts
  • Hexagon Bolts And Setscrews
  • Washers. Hexagon Header Plugs
  • Modified Standard Stock
  • Bolt Blanks

Also available in kits and selection boxes.


If you would like more information about our range contact a member of the team.


Sizes to suit DIN, ANSI and ISO standard and customer specials

Surface Finishes

Zinc Plating, Galvanising, Anodising, Copper Coating, Sheradising, Chemical Black , Phosphate,, Powdercoat, Polishing, Chrome, Nickel, and Xylan/PTFE


Carbon Steel, Stainless Steel, Brass, Inconel, Special Plate Finishes & many more


Machine Screws, Self-tapping Screws, Thread-forming Screws, Socket Products, Nuts, Washers, Circlips, Pins, Studs, Rivets, Setscrews, Socket Screws, Bolts Self-Tapping, Woodscrews, Cylinder head Bolts and Metric Screws

Manufacturing Capabilities

Cold Forged, Hot Forged, Turned, and CNC