Clarkwood engineering Ltd is one of a select group of global manufacturers able to meet the highest standards for land and subsea critical bolting

American Petroleum Institute Quality Register (APIQ1)®
API 20E alloy and carbon steel bolting
API 20F corrosion resistant bolting

To all BSL levels 1,2 and 3
BSL-3 the highest level of criticality

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Your Special is Our Standard

We manufacturer High Quality Special Fasteners for customers with special requirements.

By holding large stocks of raw materials, we can provide a fast turnaround to meet your requirements.

Call us to arrange for one of our representatives to visit you.

Tel: +44 (0)1902 710868 or go to Contact us


The Award Winning 'Tension Controlled Washer' is a new Industry leading technology allowing you to control joint tension in fasteners which is one of the largest single causes of breakdowns and warranty claims.

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The Clarkwood Engineering Tens Mec Mechanical Bolt Tensioning tool has been developed to provide a method of correctly tensioning studs to give reliable trouble free bolted joints.

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TensFi load sensors are capable of detecting the varying load that is applied to industrial and engineering fastened joints. They are able to support various fastened joint (e.g. stud, bolted) applications ranging between M20 and M64.

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