Kays Fasteners

Button Head Allen Screws

A2 Stainless Steel

Please select your requirements from the drop down lists above

Specifications
M3
Thread diameter: 3mm
Thread pitch: 0.5mm
Head diameter: 5.7mm
Head height: 1.65mm
Allen key size: 2mm

M4
Thread diameter: 4mm
Thread pitch: 0.7mm
Head diameter: 7.6mm
Head height: 2.2mm
Allen key size: 2.5mm

M5
Thread diameter: 5mm
Thread pitch: 0.8mm
Head diameter: 9.5mm
Head height: 2.75mm
Allen key size: 3mm

M6
Thread diameter: 6mm
Thread pitch: 1.0mm
Head diameter: 10.5mm
Head height: 3.3mm
Allen key size: 4mm

M8
Thread diameter: 8mm
Thread pitch: 1.25mm
Head diameter: 14mm
Head height: 4.4mm
Allen key size: 5mm
  • Button head allen screws.
  • Manufactured from A2 stainless steel for improved corrosion resistance.
  • Choose from M3, M4, M5, M6, M8 thread sizes. 
  • Please re-set the option boxes to 'select' to view all available sizes.
  • All screws are fully threaded.
  • Screw lengths do not include the head.
  • FREE 1st CLASS UK P&P*
  • Photograph is for illustration only, please select your requirements.
  • GET IT FAST - orders placed before 2pm are dispatched same day (Mon-Fri).

Visit our Ebay shop for a full range of fasteners & fixings:


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.

A vat invoice is issued with all orders.

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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