Boneham AM00000158 Press Fit Headless Drill Bushing Hm

Product Description

The BONEHAM AM00000158 is a press fit headless drill bushing conforming to the HM industry code. It is designed to guide drill bits and cutting tools with precision during metalworking, machining, and fabrication operations. The bushing installs directly into a jig plate or fixture without a head flange, allowing for flush-mount seating in applications where clearance is limited. Manufactured from steel and heat-treated to a hardness of 60 to 65 HRC, this bushing provides lasting wear resistance under repeated tooling cycles. Machinists and tooling fabricators working with ANSI-compliant drill jigs are the primary users of this component.

This bushing is suited for use in drill jig fixtures found in production machining environments, tool rooms, and precision fabrication shops. Its headless profile makes it appropriate for installations where a protruding flange would interfere with workpiece positioning or clamping. The 4.6-inch inside diameter accommodates correspondingly sized drill bits or boring tools. It is a non-renewable design, meaning it is intended as a permanent press-fit installation rather than a slip-renewable type that can be exchanged during a run.

Key Features

• Press fit installation method for secure, permanent seating in jig plates
• HM industry code classification per ANSI standards
• Steel construction heat-treated to 60 to 65 HRC for extended wear life
• Headless design allows flush mounting where flange clearance is not available
• Inside diameter tolerance of +0.004/+0.012 mm for controlled tool guidance
• Non-renewable bushing rated for permanent fixture installation

Compatibility

Designed as an OEM-style replacement or new-installation component for ANSI-standard drill jig fixtures requiring an HM-series press fit headless bushing with a 4.6-inch inside diameter.

Installation Notes

Installation is performed by machinists or tooling specialists using a mechanical or hydraulic press to seat the bushing flush into the prepared jig plate bore. The receiving bore should be machined to the appropriate interference fit tolerance before installation. Once pressed in, this bushing is not intended for removal or reuse. Always verify the fixture is secured and de-energized from any powered equipment before pressing the bushing into position.