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Grade R BSW Hexagon Bolts 1/2 BSW x 1.1/2 - Grey

Grade R BSW Hexagon Bolts 1/2 BSW x 1.1/2 - Grey

Discover the reliability of Grade R BSW Hexagon Bolts, designed for high tensile applications. The...

Best current price£13.62from The Range

Colour
BlackGreySilver

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Product Information

Full details

The Unifix Grade R BSW Hexagon Bolts are engineered for professionals and DIY enthusiasts who require high-tensile fasteners for demanding mechanical or structural applications. These bolts offer exceptional durability and a corrosion-resistant grey finish, making them ideal for heavy-duty assembly projects. A key caveat is that these bolts are manufactured to specific BS 1083 standards, meaning users must ensure their threading and hardware compatibility matches the BSW (British Standard Whitworth) specification before installation.

All features

ColourGrey
Model Part Number1268255
BrandUnifix

Extended Product Information

FAQs

What does BSW stand for?

BSW stands for British Standard Whitworth, a thread standard established in the UK.

Can I use these with metric nuts?

No, BSW threads are not compatible with metric threads. Using them together will result in thread damage.

What is the grade of these bolts?

These are Grade R bolts, which are designed for high-tensile, demanding applications.

Are these bolts suitable for outdoor use?

The grey finish offers corrosion resistance, but for long-term outdoor exposure, regular maintenance or additional protective coatings are recommended.

What standard are these bolts manufactured to?

They are manufactured in accordance with BS 1083 standards.

How do I determine if my project needs BSW bolts?

Check the technical specifications of your equipment or existing hardware. If the original fasteners were BSW, you must replace them with BSW to maintain compatibility.

Troubleshooting

Bolt will not thread into the hole

Verify that the receiving hole is tapped to BSW standards. Do not force the bolt if resistance is felt, as this may cross-thread the component.

Bolt head is rounding during tightening

Ensure the socket or wrench size is a correct match for the bolt head. Switch to a 6-point socket for better grip on high-torque applications.

Surface rust appearing on the bolt head

Clean the surface with a wire brush and apply a rust-inhibiting lubricant or touch-up paint to restore the protective layer.

Pros and Cons

Pros

  • High load-bearing capacity for demanding mechanical tasks
  • Corrosion-resistant finish ensures longevity
  • Consistent manufacturing quality meeting BS 1083 standards
  • Standard hexagon head design facilitates easy installation

Cons

  • Specific to BSW threading; not compatible with metric or UNF threads
  • Requires specific wrench sizing for optimal tightening
  • Limited availability for specialized project environments outside traditional standards

Setup, Compatibility & Care

Proper installation begins with verifying that your equipment utilizes British Standard Whitworth (BSW) threads. Avoid mixing these with UNC, UNF, or metric threads, as this can damage the hardware. When installing, use a socket or spanner that fits the hexagon head snugly to prevent rounding the edges. For maintenance, keep the bolts dry and free from debris. In high-moisture environments, periodically check for signs of surface degradation. While the finish is corrosion-resistant, adding a thin layer of machine oil or an anti-seize compound before installation can provide an extra layer of protection against seizing in extreme conditions.

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