Spanner sets and wrenches for commercial vehicle workshops
An HGV workshop needs spanners and wrenches in a wider size range than a passenger car workshop. Commercial vehicle fasteners commonly run to M27, M30, and M36 on wheel nuts and driveline components, sizes that fall outside most automotive spanner sets. A combination spanner set covering M8 to M32 handles the majority of truck maintenance work, with larger individual sizes for the specific large-format fasteners on wheel hubs, prop shafts, and suspension components.
Combination spanners (with a ring end and an open-ended spanner on the same tool) are the most versatile choice for general workshop use. The ring end provides better engagement on rounded fasteners and allows more torque before slipping; the open end is faster for running down bolts in accessible positions. For work in restricted access, a ratcheting ring spanner significantly speeds up the job compared to a standard ring spanner.
Torque wrenches are essential in an HGV workshop where overtorque and undertorque both have safety implications. Wheel nuts on commercial vehicles are torqued to manufacturer specification, and deviation from that specification causes wheel loss events or stud failure. A torque wrench set covering 20Nm to 1000Nm with calibration certificates is worth the investment. Call us on 01527 598 000 or order online.
Frequently Asked Questions
What spanner set do I need for HGV workshop work?
A combination spanner set covering M8 to M32 in metric handles the majority of HGV fastener work. For wheel nuts and large-format driveline fasteners, individual spanners in M27, M30, M33, and M36 are often needed in addition to the standard set. Check the specific fastener sizes on the vehicles you service to identify any gaps.
What is the difference between a combination spanner and a ring spanner?
A combination spanner has a ring end (closed ring, typically 12-point) at one end and an open-ended jaw at the other. A ring spanner has ring ends at both ends, often in two adjacent sizes. Ring ends provide better fastener engagement and allow more torque before slipping than open-ended jaws. Use the ring end where the fastener is accessible; the open end where access only allows a partial rotation.
What torque wrench do I need for wheel nuts on a truck?
Most HGV wheel nuts are torqued to 550-650Nm depending on the hub type and manufacturer specification. A 3/4-inch drive torque wrench with a range of 300-1000Nm is the correct tool for this application. Check the manufacturer's specification for the exact torque before tightening, as different axle designs and stud specifications can vary the requirement.
Do you stock adjustable wrenches for workshop use?
Yes. We stock adjustable wrenches in a range of jaw opening sizes suitable for workshop use. For HGV applications, an adjustable wrench with a maximum jaw opening of 50mm or above is more practical than a smaller model. Adjustable wrenches are most useful for non-standard fastener sizes and for applications where a purpose-sized spanner isn't available.
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