With the Phantom 84.872 din 172-A drill bush, you achieve dependable accuracy in jig fixtures and drilling templates. The hardened construction provides durable, wear-resistant guidance that prevents drill bit deflection and wandering. Thanks to its precision ground finish, this 5.5x10 mm bush fits tightly and smoothly into your fixture plate. The integrated collar prevents the bush from being pushed through during operation, keeping your setup locked at the proper depth and ensuring straight, exact hole positioning.