Clutch Mounting and Studs

The recommended method of mounting the clutch to the flywheel is with a mounting stud and K-Lock nut, such as CP4702 M8 & 5/16" UNF range or CP4703 M6 & 1/4" UNF range of mounting stud.

Suitable for clutches of Ø115mm (4.5") and above. These studs are available in kit form complete with K-Lock nuts.
All studs have rolled threads for improved fatigue resistance. The stud design incorporates offset head flats for location, necked down shanks and precision ground location diameters.


Recommended tightening torque

M8 & 5/16" - 22.0 Nm (16 lb/ft). M6 & 1/4" - 10.0 Nm (7 lb/ft).


CP4702 Mounting Studs M8 & 5/16"
View Drawing

CP4703 Mounting Studs M6 & 1/4" View Drawing


Part Numbers

Length 'L'
M6xl.0
1/4"UNF
M8xl.0
5/16"UNF
Ø'B'
6.016/6.008
6.365/6.357
8.024/8.015
Ø'C'
5.98/5.95
6.33/6.30
8.01/8.00
40mm
CP4703-400MK
CP4703-400UK
CP4702-400MK
CP4703-400UK
42.5mm
CP4703-425MK
CP4703-425UK
CP4702-425MK
CP4702-425UK
45mm
CP4703-450MK
CP4703-450UK
CP4702-450MK
CP4702-450UK
47.5mm
CP4703-475MK
CP4703-475UK
CP4702-475MK
CP4702-475UK
50mm
CP4703-500MK
CP4703-500UK
CP4702-500MK
CP4702-500UK
52.5mm
CP4703-525MK
CP4703-525UK
CP4702-525MK
CP4702-525UK
55mm
CP4703-550MK
CP4703-550UK
CP4702-550MK
CP4702-550UK
57.5mm
CP4703-575MK
CP4703-575UK
CP4702-575MK
CP4702-575UK
60mm
CP4703-600MK
CP4703-600UK
CP4702-600MK
CP4702-600UK
62.5mm
CP4703-625MK
CP4703-625UK
CP4702-625MK
CP4702-625UK
65mm
CP4703-650MK
CP4703-650UK
CP4702-650MK
CP4702-650UK
67.5mm
CP4703-675MK
CP4703-675UK
CP4702-675MK
CP4702-675UK
70mm
CP4703-700MK
CP4703-700UK
CP4702-700MK
CP4702-700UK
72.5mm
CP4703-725MK
CP4703-725UK
CP4702-725MK
CP4702-725UK
75mm
CP4703-750MK
CP4703-750UK
CP4702-750MK
CP4702-750UK