The Maxigear Pin Spanner is part of the Maxigear range — precision engineering tools and machining accessories designed for toolmakers, machinists, and precision engineers across Australian industry. Maxigear products are selected by engineering workshops, tool rooms, CNC shops, trade schools, and industrial maintenance teams for reliable performance in demanding machining and measurement applications. Where this product is used Maxigear pin spanners fit the spanner holes on adjustable ring nuts, bearing retaining nuts, and lathe chuck backplates — essential toolroom and machinery maintenance tools. Tightening and loosening lock nuts, retaining rings, and spanner-hole fasteners on machinery Lathe and milling machine maintenance involving adjustable ring nuts and bearing retainers Toolroom and workshop fastener removal on components with spanner holes or pins Key specifications Please refer to the product title and description for full specification details. Contact AIMS Industrial for technical assistance. Selecting the right option Confirm the pin hole diameter and pin spacing on the ring nut or component you need to turn, then select the pin spanner that matches those dimensions. Pin spanners are sized by pin diameter and pin-to-pin distance — measure these on the component before ordering.