XB-HCS-M12-40-Z
Bolt, M12 x 1.75 x 40, Zinc
SAF-Holland

A metric cap screw of M12 thread size with a 1.75 mm pitch and 40 mm grip length provides a high-strength fastening option for critical trailer and axle assemblies. The zinc plating offers corrosion resistance for long service in exposed or salted environments, helping prevent galling and maintaining clamping force through temperature cycles. The fastener is categorized as a component within the SAF-Holland hardware ecosystem, supporting structural connections, bracket attachments, and systemic retentions in side rails, coupling points, or undercarriage assemblies. Its specified dimensions—M12 thread, 40 mm length—assist maintenance crews in selecting the correct fastener to achieve target clearances and torque values, contributing to predictable repeatability across service intervals. In practice, crews pair these bolts with compatible nuts and washers to form secure joints; proper tightening reduces micromotion, wear, and loosening under vibration. VMRS classification 059-001-078 anchors the part in the fastener family used on light-to-medium and heavy-duty trailers, while category 42765 situates it within general hardware components. As with other SAF-Holland parts, ensure safety labeling is observed (P65) and use appropriate tools to avoid over-torquing.