Checklock SQ

Checklock SQ

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Product Code: 4013

Member Price:  £3.00 ex vat
Non Member Price: £3.50 ex vat 


Stainless Steel (Minimum order quantity 10)

The ChecklockSQ® is a premium stainless steel wheel nut retention device that links adjacent wheel nuts and helps prevent wheel nut loosening. 

Can be fitted easily with one hand through the power of leverage, by pressing down the two arms. When the arms are released the coils tighten on the nuts and grip them firmly. No fitting tool required.
Please be aware that if the wrong size is ordered and you would like to exchange or return them, there will be an adminstration/postage charge incurred 

ChecklockSQ Size Chart - Downloadable PDF Version

4 Stud 17mm/139.7 PCD (Pitch Circle Diameter) for Indespension Trailers only
4 Stud 19mm/139.7 PCD for Ifor Williams Trailers only
5 Stud 19mm/165.1 PCD for Ifor Williams Trailers only
5 Stud 27mm/165.1 PCD for Indespension Trailers only
6 Stud 24mm/205 PCD
6 Stud 24mm/245 PCD
6 Stud 27mm/205 PCD
6 Stud 27mm/245 PCD
6 Stud 41mm/225 PCD
8 Stud 27mm/275 PCD
8 Stud 30mm/275 PCD
8 Stud 32mm/275 PCD
10 Stud 30mm/335 PCD
10 Stud 32mm/225 PCD
10 Stud 32mm/335 PCD
10 Stud 33mm/285 PCD US spec vehicles
10 Stud 33mm/335 PCD
10 Stud 38mm/335 PCD US spec vehicles

What is PCD - Pitch Circle Diameter?
This is the measurement of the diameter across the wheel, so on a 6 stud is measured from the centre of wheelnut to centre of the opposite wheelnut.

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