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TCB has its own metal coating plant producing an environmentally friendly process called Greenkote® which is comparable to galvanising, although it is harder wearing and readily accepts all paint systems.

Westminster Bridge refurbishment
All fasteners Greenkoted®

Pull off test results

Technical

• Consistent tension
• Visual inspection
• Higher grade steel and increased pre-load facilitates the use of smaller diameter bolts
• TCBs can be used in Shear and Tension
• No bolt relaxation since no torsional shear is induced during tightening
• TCBs do not loosen with vibration - no locknut required
• Greenkote® metal finish has a very hard surface and does not crack or flake
• Greenkote® metal finish accepts paint without any preparation - no etching required
• CPD Accredited seminars available upon request.