Kays Fasteners

M4 Cap Screws

High Tensile Grade 12.9

Self Colour (Black)

Please select your requirements from the drop down lists above 

  • M4 socket cap screws.
  • High tensile grade 12.9.
  • Self colour uncoated steel.
  • Threads are metric coarse M4 x 0.7mm pitch.
  • Thread diameter 4mm.
  • Head diameter 7mm.
  • Head height 4mm.
  • Allen key size 3mm
  • Screw lengths do not include the head.
  • Screws over 25mm long are part threaded*.
  • FREE 1st CLASS UK P&P*
  • Pictures are for illustration only.
  • GET IT FAST - orders placed before 2pm are dispatched same day (Mon-Fri).
*Due to manufacturing variations we are unable to state a consistent thread length on the partly threaded screws, if this is crucial please ask and we will be happy to measure our current stock.




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All items are in stock ready for dispatch.
Same-day dispatch when ordered before 2 pm (Mon-Fri).

Payment through PayPal is preferred as it is then covered by the PayPal payment protection scheme.

Orders paid for by postal orders and cheques will be dispatched when full payment has cleared.

We guarantee to dispatch all orders within 24 hours of cleared payment.

Orders placed at weekends or on a public holiday will be dispatched the next working day.

All items will be posted by Royal Mail first class or express carrier unless stated otherwise.

*Deliveries to some remote post codes may incur additional costs.

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