Unifix Hexagon Bolts - M12 x 110 - Grey

The Unifix Hexagon Bolts are engineered for high strength and reliability in structural applicatio...

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Product Information

Full details

The Unifix Hexagon Bolts (M12 x 110) are professional-grade fasteners designed for contractors and DIY enthusiasts requiring reliable, high-strength connections in structural timber or steel applications. These bolts provide exceptional load-bearing capacity and a secure hexagon head profile for easy torque application, though users should ensure their pre-drilled holes are precisely matched to the 12mm diameter to maintain structural integrity.

All features

ColourGrey
Model Part Number5014196319742
BrandUnifix

Extended Product Information

FAQs

What does the M12 designation mean?

M12 refers to a metric thread diameter of 12 millimeters.

What is the total length of the bolt?

The bolt has a length of 110mm, measured from under the head to the tip of the bolt.

Does this bolt meet building codes?

Yes, being DIN 931 compliant ensures they meet international standards for bolt dimensions and thread lengths suitable for many structural applications.

Can I use these bolts outdoors?

While they are robust, we recommend checking if your environment requires additional rust-protection coatings if exposure to extreme weather is constant.

Are nuts and washers included?

Typically, these bolts are sold as the individual fastener; please confirm your specific package contents, as nuts and washers are often sold separately.

Troubleshooting

Bolt does not fit through pre-drilled hole

Clear debris from the hole or re-drill using a slightly larger bit to accommodate the 12mm shank.

Bolt head is rounding off during tightening

Ensure the socket or wrench is fully seated on all six sides of the head and is the exact metric size required.

Bolt spins without gripping

Verify that the nut is properly engaged with the threads and that the washer is correctly positioned to prevent slipping.

Pros and Cons

Pros

  • High structural integrity for heavy-duty applications
  • Standardized hex head for easy installation with common hand tools
  • DIN 931 compliant for predictable material performance
  • Corrosion-resistant finish suitable for various environments

Cons

  • Requires precise pilot hole drilling for optimal fit
  • Fixed length may not suit thin material applications without spacers
  • Does not include nuts or washers in the primary package

Setup, Compatibility & Care

To ensure the longevity and strength of your installation, follow these guidelines:

  1. Pre-drilling: Always drill a pilot hole slightly larger than 12mm to ensure the bolt can pass through without splitting timber or binding.
  2. Compatibility: Ensure you are using M12-sized nuts and flat washers to properly distribute pressure across the surface material.
  3. Tightening: Use a correctly sized spanner or socket. Do not over-torque, as this can strip threads or damage the material surface.
  4. Maintenance: Periodically check connections in high-vibration environments to ensure bolts remain tight. If signs of oxidation appear, apply a thin coat of rust-preventative lubricant.

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