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WAXED CARDBOARD CONES

Waxed cones for holding-down bolt installations.
A range of durable waxed cardboard cones for forming bolt voids around holding-down bolts in concrete foundations. Supplied independently or as part of a complete Centraliser bolt-box package.

SIZE RANGE

Cone heights from 229 to 762 mm

Cone dimensions and compatibility should be checked against the project specification before ordering.

Centraliser Type
Cone Height Size (mm)
Status
Cone Top Size (mm)
Cone Bottom Size (mm)
Units Per Box
Set-1
229

Available

70
25
100
Set-2
305

Available

92
25
100
Set-3
380

Available

108
25
100
Set-4
457

Available

114
30
50
Set-5
534

Available

118
30
50
Set-6
610

Available

132
30
80
Set-7
762

Available

132
30
48

PACKAGE OPTIONS

Three ways to procure

Cones Only

For contractors who already have an established bolt-positioning method.

Complete Bolt Box package

Waxed cones and recommended Centraliser units supplied together.

Centraliser Units Only

For use with compatible cones sourced by the contractor.

Centraliser Site Use_edited.jpg

PLAN YOUR NEXT PROJECT

Planning your next structural steel project?

Send us your bolt schedule, baseplate details, cone sizes or steel layout. We'll help identify the appropriate Centraliser units and quantities for your project.

07958 007153

UK-wide supply

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A holding-down bolt alignment system designed to keep bolts centred and cones stable from concrete pour to steel erection.

Supplied by Karra Construction Ltd.

PRODUCTS

SUPPORT

Site Demonstrations

Training

CONTACT

07958 007153

Mon - Fri

Project Enquiries

United Kingdom

UK-wide supply

© 2026 Karra Construction Ltd. Centraliser®. All rights reserved.

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CENTRALISER is Protected under Copyright, Designs and Patents Act 1988 for Intellectual Property with Approved Patent. Under no circumstances can it be manufactured, reproduced or replicated in any materials with intent to distribute or sell without the prior written consent from KARRA Construction Ltd. who is the Sole Inventor and Patent Holder Authorised to have manufactured and distribute CENTRALISER. Any infringement on the above Copyright for CENTRALISER will be liable for Prosecution Under Law.

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