Boneham P484LA Press Fit Headless Drill Bushing

Product Description

The BONEHAM P484LA is a press fit headless drill bushing used to guide drill bits accurately during machining and fabrication operations. Manufactured from steel, this bushing features a 15/32-inch inside diameter and a 3/4-inch body outside diameter, with an overall length of 1/4 inch. The headless design sits flush with the workpiece or jig plate surface, making it suitable for applications where a protruding head would interfere with the workpiece or tooling setup. Machinists and toolmakers press this bushing directly into a jig body without additional fasteners or locking hardware.

This bushing is used in drill jigs and fixture plates in machine shops, tool rooms, and production environments. The press fit installation method provides a secure, permanent seating in the jig body. The inside diameter tolerance of plus 0.0001 to plus 0.0005 inches ensures consistent hole placement and accurate drill guidance across repeated operations. It is suited for light-duty applications where a renewable bushing is not required and the jig is intended for extended or permanent use.

Key Features

• Press fit installation - no locking collar or additional hardware required
• Headless design sits flush with jig plate surface for unobstructed workpiece contact
• Steel construction provides durability under repeated drill pass-through use
• Inside diameter tolerance of plus 0.0001 to plus 0.0005 inches for precise drill guidance
• Non-renewable design for permanent jig installations
• Bushing Industry Code P for standard identification and cross-reference

Compatibility

Designed as an OEM-style replacement or direct-fit component for drill jigs and fixture plates requiring a press fit headless bushing with a 15/32-inch inside diameter and 3/4-inch outside diameter.

Installation Notes

Installation is performed by machinists or toolmakers using an arbor press or hydraulic press to seat the bushing flush into a precision-bored jig plate hole. The receiving bore in the jig body must be machined to the correct interference fit tolerance to ensure proper retention. Do not drive the bushing in with impact tools, as this can distort the inside diameter or damage the jig plate. Once pressed in, this bushing is not designed for removal and replacement.