It is highly recommended that a thread tester is used on every stud at the point of wheel servicing and/or at regular intervals in line with company vehicle service policy, however some companies choose to use the tread testers as a 'spot check' quality test for studs, or test a portion of the studs as standard such as two studs per wheel.
Used to highlight problems with the stud thread that are not necessarily obvious under initial visual inspection such as stud stretching, distortion, damage, dents, cracks and corrosion.
Included in the kit
Four standard Checkthread® thread tester sizes: M18, M20, M22 and
Scania (7/8 UNF-11)
Stud Hole Elongation Tool
In size 21mm, 24mm, 30mm, 32mm and 33mm. This element of the kit is used for identifying elongation and damage to wheel stud holes
Additional SHET available in 6 sizes: 21mm, 24mm, 26mm, 31mm, 32mm and 33mm - Product Code 7054
Spherical/Conical Tool
This tool is used for determining the type of stud hole seat on a wheel rim
It should be noted that any specific manufacturers instructions on wheel fitment, torquing and servicing procedures should always be strictly adhered to.