M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated

Product code: NOGO-M8-ON-BZP
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M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated
M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated
M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated
M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated
M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated
M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel Bright Zinc Plated
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 99 £0.26 £0.31
100 - 999 £0.22 £0.26
1000 + £0.16 £0.19
£0.31 / each
Quantity:


Product Specification
Size M8
Bolt Hole Diameter 8.4mm
Height 14.0mm
Inside Diameter 20.0mm
Material Mild Steel BZP
Outside Diameter 28.4mm
Style Open

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


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M8 x 28.4mm NoGo™ Security Nut Cap (Open) | Mild Steel BZP | Vital Parts - NOGO-M8-ON-BZP

This M8 x 28.4mm open NoGo™ Security Nut Cap protects M8 nuts fitted to bolts or threaded studs with visible projection. Its Mild Steel Bright Zinc Plated construction provides a durable plated metal enclosure, with a 8.4mm bolt hole, 20mm internal diameter and 14mm height. By allowing excess thread to pass through the open top, the cap can secure the fastening point while preserving the installed bolt length.

What Are Open NoGo™ Security Nut Caps?

An open NoGo™ cap combines a security base with a metal insert that includes a central thread opening. After the nut has been tightened, the insert is tapped securely into the base, surrounding the nut while the bolt or stud passes through the top. This format is useful where the original threaded projection must be retained.

Common Applications

  • Fencing Clamps: Protects M8 nuts on clamp assemblies while the central opening accommodates excess bolt thread.
  • Playground Equipment: Covers accessible fastening points on frames and barriers where a projecting stud remains after tightening.
  • Street Furniture: Ideal for benches, rails and cycle stands assembled with M8 bolts that extend beyond the nut.
  • CCTV and Solar Mounts: Secures external bracket fixings while retaining clearance for protruding threaded sections.

M8 x 28.4mm Open NoGo™ Security Nut Cap Dimensions

  • Size: M8
  • Bolt Hole Diameter: 8.4mm
  • Inside Diameter: 20mm
  • Outside Diameter: 28.4mm
  • Height: 14mm
  • Style: Open
  • Material: Mild Steel BZP

Explore our Secure Nut & Bolt Caps range for additional tamper-resistant covers and fastening protection options.

Need a Quote or Product Advice?

Contact Vital Parts for bulk quantities, compatibility guidance or help with your application by calling 01233 713581.

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