Shear Bolts


Quick and easy to install with a conventional spanner or socket set, Shear Bolts offer permanent protection against metal thieves and lots more...


What are Shear Bolts ?

shear bolts - contersunk and button head shear bolts
Shear Bolts are a special type of security machine screw or bolt which can be supplied with either a countersunk head or button head.

The head of these bolts is topped with a hexagonal head section that is designed to shear off at the predetermined torque, when the bolt is tightened to its maximum.

When the hexagonal drive head shears off, it leaves a either the countersunk head or a button head – neither of which offer any grip access for a spanner or socket type removal tool making them therefore an undoable permanent fixing.


What problem do Shear Bolts solve?

Like Shear Nuts, Shear Bolts offer a quick and easy solution to the problem of fixing equipment, fixtures or structures permanently in position that would otherwise be easily undone with a simple spanner or socket set.

Not only do they protect the secured items against tampering or unauthorised relocation, but in this time of ever escalating METAL THEFT, they are proving an invaluable tool in the armoury against theft as well.


Where are Shear Bolts used ?

They have almost limitless uses, but some of the more prolific include;

  • used to secure metal fencing,
  • securing street furniture and fixtures
  • fixing perimeter security barriers in place
  • securing playground equipment   ...and lots more

Users range from local authorities and government agencies such as the Environment Agency, to businesses of all size and the homeowner.


What shear bolt sizes and options are available ?

Shear Bolts are available in Stainless Steel (A2), BZP (Bright Zinc Plate) or with a Galvanised finish and in a range of sizes.

Traditionally they have been made to special order, which was subject to a minimum order quantity and entailed a manufacturing lead-time.

By popular demand, Insight Security now hold limited stock of popular sizes in Stainless Steel, available for next day delivery!

Check our range of A2 Stainless Steel Shear Bolts available from stock


...and remember, when you buy from Insight Security
you`re protected by our "No Quibble Money Back Guarantee"

For "non-stock" Shear Bolts, call us for price and availability: 01273 475500

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