Boneham P488LP Press Fit Headless Drill Bushing Steel

Product Description

The BONEHAM P488LP is a press fit headless drill bushing designed to guide cutting tools with precision during drilling, reaming, and boring operations. Manufactured from steel with a hardness rating of 60 to 65 HRC, this bushing resists wear and maintains tight tolerances over repeated use. It features a 33/64-inch inside diameter, a 3/4-inch body outside diameter, and a 1/2-inch overall length. The headless design allows flush installation in jig plates where a protruding flange would interfere with workpiece positioning or fixture clearance. Machinists, toolmakers, and jig-and-fixture builders install this type of component as a permanent, non-renewable press fit guide element.

This bushing suits tool jig and fixture applications in production machining environments where consistent hole location accuracy is required. The P industry code designates a standard headless press fit bushing per ANSI specifications, making it a direct fit in jig plates designed to that standard. It is appropriate for use in light to medium-duty drilling fixtures in both job shop and production settings. The compact 1/2-inch overall length works well in thin jig plates where a longer bushing body is not needed.

Key Features

• Press fit installation — no fasteners or locking components required for retention
• Headless design allows flush seating in jig plates without flange interference
• Steel construction with 60 to 65 HRC hardness for wear resistance and long service life
• Inside diameter tolerance of +0.0001 to +0.0005 inches ensures repeatable tool guidance
• Meets ANSI standards for P-code headless drill bushings
• Non-renewable design — intended as a permanent press fit installation

Compatibility

Designed as an OEM-style replacement and standard fitment for ANSI P-code headless press fit drill bushing applications in machining jigs and fixtures requiring a 33/64-inch ID and 3/4-inch OD.

Installation Notes

Press fit bushings are installed by qualified machinists or toolmakers using an arbor press or hydraulic press — never drive with a hammer, as impact can damage the bore or distort the bushing body. Ensure the jig plate bore is machined to the correct interference fit tolerance before installation. Once pressed in, this bushing is not intended to be removed or reused. Always verify tool clearance and bushing seating depth before running production.