Boneham P8828NW Press Fit Headless Drill Bushing

Product Description

The BONEHAM P8828NW is a press fit headless drill bushing used to guide drill bits and cutting tools with precision during machining operations. Assigned bushing industry code P, this headless-style bushing seats flush within a jig plate without a protruding flange. It features an inside diameter of 0.875 inches (with a tight tolerance of +0.0002 to +0.0006 inches), a body outside diameter of 1.375 inches, and an overall length of 1.75 inches. Constructed from steel, it delivers the hardness and wear resistance required for repetitive drilling cycles in production or toolroom environments. Machinists and toolmakers install this type of bushing as part of drill jig assemblies.

This bushing is suited for use in drill jig fixtures across metalworking, manufacturing, and fabrication applications. It is pressed directly into a jig plate bore, where it serves as a renewable guide for twist drills, reamers, or counterbores. The headless configuration makes it the correct choice when the jig plate surface must remain unobstructed or when a flush installation is required by fixture design. This component is typically specified in both prototype tooling and high-volume production jigs where repeatable hole location is critical.

Key Features

• Press fit installation method for secure, flush seating in jig plate bores
• Headless design keeps the jig plate surface clear of flanges
• Inside diameter of 0.875 inches with precision tolerance of +0.0002 to +0.0006 inches
• Body outside diameter of 1.375 inches and overall length of 1.75 inches
• Steel construction provides hardness and durability for repetitive drilling cycles
• Bushing industry code P for standard identification and interchangeability

Compatibility

Designed as an OEM-style replacement or new-installation drill bushing for jig plates and tooling fixtures requiring a press fit headless bushing with industry code P dimensions.

Installation Notes

Installation is performed by machinists or toolmakers using an arbor press or hydraulic press to seat the bushing into a properly toleranced jig plate bore. The mating bore in the jig plate must be machined to the appropriate fit class before pressing to avoid distorting the bushing inside diameter. Power down or lock out any associated machine tool before servicing or replacing drill bushings in a fixture. Do not drive the bushing with a hammer directly on the bore face, as this can damage the precision ground interior surface.