BONEHAM Diamond Groove Drill Bushing (DG): 5/16 in Inside Dia., 1/2 in Outside Dia.

A BONEHAM Diamond Groove Drill Bushing guides drill bits in precision jigs and fixtures during machining operations. It ensures accurate hole placement and alignment in metalworking, tooling, and production manufacturing. The diamond groove design retains lubrication and reduces wear, extending bushing life in high-cycle applications.

The BONEHAM DG328.3125 is a fractional-inch standard-wall diamond groove drill bushing with a 5/16 in inside diameter, 1/2 in outside diameter, and 1/2 in overall length. Tolerances are +0.0001 in /+0.0005 in on the inside diameter and +0.0250 in /+0.0100 in on the outside diameter.

3G Electric supplies BONEHAM diamond groove drill bushings worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the DG328.3125 or other BONEHAM bushing sizes.

Select a BONEHAM drill bushing by matching the inside diameter to your drill bit size, the outside diameter to your jig bore, and the overall length to your jig thickness. The diamond groove design suits applications requiring lubrication retention. Verify tolerances against your hole-position requirements for consistent accuracy.