M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel

Product code: CSTN937-M27-A4
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M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel
M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel
M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel
M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel
M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel
M27 Castle Nut (DIN 935) 5.5mm Slot Width | Marine Grade A4 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £66.55 £79.86
100 - 999 £64.26 £77.11
1000 - 4999 £56.23 £67.47
5000 + £42.46 £50.95
£79.86 / each
Quantity:


Product Specification
Thread Size M27
Thread Pitch 3.00mm
Across Flats 41.0mm
Total Height 17.0mm
Slot Width 5.5mm
Nut Height 11.0mm
Material A4 Stainless Steel

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


Frequently Bought Together

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M27 x 3.00mm Thin Castle Nut DIN 937 - A4 Stainless Steel CSTN937-M27-A4

M27 x 3.00mm Thin Castle Nut DIN 937 - A4 Stainless Steel CSTN937-M27-A4 is a precision manufactured locking fastener designed for use on threaded shafts where secure retention and positional locking are required. Manufactured from A4 Stainless Steel, this thin pattern castle nut is ideal for mechanical assemblies, maintenance applications and corrosion resistant installations.

What are Thin Castle Nuts DIN 937?

Thin castle nuts to DIN 937 are low profile slotted nuts used with a split pin or locking pin to prevent loosening under vibration or movement. Their reduced height makes them suitable where space is limited while still allowing reliable locking through the castellated slots.

Key Features:

  • Manufactured to DIN 937 specification
  • Thin pattern castle nut design for low profile installations
  • Precision threaded to suit M27 threads with a 3.00mm pitch
  • Made from A4 Stainless Steel for excellent corrosion resistance
  • Slotted top accepts a split pin for secure mechanical locking
  • Suitable for marine, industrial, engineering and maintenance use

Key Applications and Industries

These thin castle nuts are widely used across UK engineering, transport, agricultural equipment, marine assemblies and machinery maintenance where a secure yet removable locking nut is required. They are commonly fitted to shafts, spindles, wheel hubs and pinned fastening points exposed to vibration.

Technical Specifications

  • Standard: DIN 937
  • Thread Size: M27
  • Pitch: 3.00mm
  • Nut Height: 11mm
  • Total Height: 17mm
  • Across Flats: 41mm
  • Slot Width: 5.5mm
  • Material: A4 Stainless Steel

Benefits:

  • Provides dependable anti-loosening performance when used with a split pin
  • Thin profile helps save space in compact assemblies
  • Resists corrosion in demanding indoor and outdoor environments
  • Allows straightforward removal for servicing and inspection
  • Offers reliable fastening for repeated maintenance applications

Why Buy from Vital Parts?

At Vital Parts, we supply high quality fastening components for trade, OEM and maintenance requirements across the UK.

  • High quality industrial standard products
  • Range of metric sizes and materials available
  • Fast UK dispatch on stocked lines
  • Support for trade, bulk and custom requirements

If you need assistance selecting the right size or would like to discuss custom options , contact our expert team at 01233 713581.

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