Fast Thread Bolting System

Plastic socket sizes are available in:
M20 x 100, M20 x 120, M20 x 130, M20 x 135, M24 x 100, M24 x 110, , M24 x 120, M24 x 135, M24 x 140, M24 x 150, M24 x 160.

The large thread design on the socket allows the bolt to be inserted 4-5 times faster than traditional metric thread. The design of the threads utilises the strength of the concrete (as the load is transmitted throught the concrete) therefore not relying on the strength of the plastic.

Bolts are available in any length, grade, and finish to suit customer requirements. If you have specific requirements, please contact us now to discuss how we can help you.

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Spear-Bolt Sockets:
TTC have developed the fast-thread socket now familiar to many customers as a fast and efficient method of fixing tunnel segments.

Available in a range of lengths and diameters to suit different applications and the line loads exerted by gasket sealing systems.

Spear-Bolts:
Our bolts are manufactured in the UK to customer’s individual requirements. You can specify the length, diameter, steel grade, and choose from a range of surface finishes (e.g. galvanised, bright zinc plating etc.). They can be supplied in grade 4.6 and 8.8.