BONEHAM Gun Drill Bushing Insert (GDI): #27 Inside Dia., 5/16 in Outside Dia.

A BONEHAM Gun Drill Bushing Insert guides the drill during deep-hole drilling operations, ensuring precision alignment and reducing runout. It is commonly used in machining applications across industries such as aerospace, automotive, and oil & gas, where tight tolerances are critical for hole accuracy and tool life.

The BONEHAM GDI208.1440 is a #27 wire size standard-wall gun drill bushing insert with a 5/16 in outside diameter, 1/2 in overall length, and inside diameter tolerance of -0.0000 in /+0.0002 in. Outside diameter tolerance is +0.0016 in /+0.0013 in. These precision tolerances ensure consistent drill guidance.

3G Electric supplies BONEHAM gun drill bushing inserts 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 GDI208.1440 or other wire size inserts. We source genuine parts across 14 industrial departments.

Select a BONEHAM bushing insert by matching the inside diameter to your drill size (e.g., #27 wire size) and the outside diameter to your bushing holder bore. Verify overall length and tolerance requirements for your application. For standard-wall inserts like the GDI208.1440, ensure the holder accommodates a 5/16 in OD and 1/2 in length.