The following definitions and symbols are used in tables defining Colson’s castor and wheel attributes in the products section. These definitions and symbols can also be found throughout our catalogues. The below diagram illustrates the symbols directly associated with castors. Below this, you will find all other relevant symbols and their definitions.
 |
Swivel castor |  |
Fixed castor |  |
Offset |
 |
Wheel locking brake Type b |
 |
Dimension of plate |  |
Bolt hole-Ø |
 |
Total brake mounted behind Typ eh |
 |
Hole distance (SE) |
 |
Directional brake Type r |
 |
Total brake mounted in front Type i |
 |
Central brake Type q |
|
Plate |
Bolt Hole |
Threaded Pin |
Expanding Socket |
Fixing Pin |
Nylon Socket Pin |
|
 |
 |
 |
 |
 |
 |
|
|
Plate PB Plate PC Plate PD Plate PF Plate PS |
Plate PH Plate PI Plate PK Plate PG |
Bolt hole LC Bolt hole LD |
Threaded pin GC Threaded pin GD Threaded pin GI Threaded pin GU |
Expanding socket R |
Fixing pin CS Fixing pin 522 Fixing pin 622 |
Nylon socket pin KO |
