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Castle Nuts and Slotted Nuts


Thin Castle nuts and specials to your specification.

Our range of nuts are made from Bright Bar and are turned from M5 to M52 (metric) and 1/8" to 2.1/4" (imperial).

We can manufacture to any given specifications and requirements to your drawing, in any finish or material. We can also supply any thread (right or left hand) and special pitches such as 11, 16, 18, 20, 24 and 26 tpi and more, cycle threads... plus many more like BS Whitworth, BS Fine, BS Pipe, BS Cyle (CEI) BS Brass, special pitches of Whitworth Form, Unified Constant Pitch Series, ISO Metric Coarse, ISo Metric Fine, Metric Constant Pitch Series, non preferred size. We are only limited by your imagination and our engineering skill.


Metric grade 4, 8, 10, 12 and 14 in BS3692

Grade 0, 1, 3, 5 in UN Standards BS1768

Grade A, P, Q, R, S, T, U, V, W, X in BS Standards BS1083


  • Bright Zinc Trivalent
  • Zinc & Yellow
  • Zinc & Black
  • Black phosphated
  • Galvanised
  • Dacromate
  • Galvanised Hot Dip
  • Teflon
  • Powder
  • Self
  • Chrome

 Unit 8 Mill View Barn, Grange Road, Netley,  Southampton, Hampshire, United Kingdom, SO31 8GD.
Phone 023 80 44 66 44