Boneham H486LK Press Fit Headed Drill Bushing

Product Description

The BONEHAM H486LK is a Type H press fit headed drill bushing designed to guide cutting tools with precision in jig and fixture applications. It features a 0.5 inch inside diameter and a 0.75 inch body outside diameter, with a 0.375 inch length under the head. Manufactured from steel hardened to 60 to 65 HRC, this bushing delivers consistent bore guidance and resists wear under repeated drilling cycles. The headed design seats flush against the jig plate surface, preventing the bushing from being pushed through during operation. It meets ANSI standards and is intended for permanent, non-renewable installation via press fit.

This bushing is used in drill jig plates and fixture tooling in precision machining environments, including job shops, production machining, and toolroom applications. It is suited for ferrous and non-ferrous workpiece drilling where repeatable hole location is critical. The press fit installation method makes it appropriate for fixed, high-cycle applications where the bushing will not require routine removal or replacement.

Key Features

• Type H headed design seats against jig plate to resist axial push-through
• Press fit installation for permanent, fixed positioning in the jig plate
• Steel construction hardened to 60 to 65 HRC for wear resistance
• Inside diameter tolerance of +0.0001 to +0.0005 inches for precise tool guidance
• Meets ANSI standards for drill bushing dimensions and performance
• Non-renewable design for high-cycle permanent fixture applications

Compatibility

Designed as an OEM-style replacement or direct installation component for standard ANSI drill jig plates and fixture tooling requiring a Type H press fit headed bushing with a 0.5 inch inside diameter.

Installation Notes

Installation is performed by toolmakers or machinist technicians using a press or arbor press to seat the bushing into a prepared jig plate bore. The receiving bore should be finish-reamed to the appropriate interference fit tolerance before installation. The bushing should not be driven with a hammer directly on the head, as this may damage the bore geometry. Once pressed in, this bushing is not intended for removal and reinstallation.