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 |