Boneham P135CN Press Fit Headless Drill Bushing Steel

Product Description

The BONEHAM P135CN is a press fit headless drill bushing designed to guide drill bits and cutting tools with precision in jig and fixture applications. Built to Industry Code P, this bushing features a 0.086 inch (wire gauge 44) inside diameter and a 13/64 inch body outside diameter, with an overall length of 5/16 inch. Manufactured from steel hardened to 60 to 65 HRC, it delivers the wear resistance required for repetitive drilling operations in production and maintenance environments. The headless design keeps the bushing flush with the jig plate surface, making it well suited for tight-clearance layouts. Installation is permanent via press fit — no liner bushing is required.

This bushing is used in drill jigs, fixture plates, and tooling setups across metalworking, machining, and fabrication operations. It is appropriate for both light production runs and high-volume manufacturing where consistent hole location is critical. The P-series headless style is a standard configuration in industrial tooling, commonly installed by machinists, tool and die makers, and fixture builders working to ANSI standards.

Key Features

• Press fit installation — no retaining hardware or liner bushing required
• Headless design sits flush with jig plate for close-tolerance layouts
• 0.086 inch ID (wire gauge 44) with a tight tolerance of +0.0001 to +0.0004 inches for consistent tool guidance
• 13/64 inch body OD and 5/16 inch overall length for compact fixture integration
• Steel construction hardened to 60 to 65 HRC for long service life in repetitive drilling
• Meets ANSI standards for drill bushing geometry and tolerances

Compatibility

Designed as an OEM-style replacement or new-installation drill bushing for jigs and fixtures requiring a press fit headless style with a 0.086 inch inside diameter and 13/64 inch outside diameter, conforming to ANSI P-series specifications.

Installation Notes

Press fit bushings are installed by machinists or toolmakers using an arbor press or hydraulic press — never drive with a hammer directly on the bushing face. Ensure the receiving bore in the jig plate is sized to the correct interference fit per ANSI tolerances before pressing. Once seated, the bushing is not intended to be removed or reused. Verify the jig plate hardness and surface finish are appropriate for the press fit before installation.