Boneham H8816NM Press Fit Headed Drill Bushing

Product Description

The BONEHAM H8816NM is a Type H press fit headed drill bushing designed to guide cutting tools with precision during drilling, reaming, and boring operations. Manufactured from steel, this bushing features a 13/16 inch (0.8125 inch) inside diameter with a close-tolerance bore of +0.0002 to +0.0006 inch, ensuring accurate tool guidance and repeatable hole location. It is a permanent, non-renewable bushing installed by press fit directly into a jig plate or fixture body. The headed design provides a positive seating surface and resists axial pull-through under cutting loads. Machinists, toolmakers, and fixture builders use this style of bushing in production and prototype jig setups.

This bushing is suited for industrial machining environments where a fixed, non-interchangeable guide is acceptable for the application. The press fit installation method makes it appropriate for jig plates with fixed drilling patterns that do not require bushing removal between operations. The 1 inch length under head provides adequate tool guidance depth for standard production drilling cycles. It is used in metal fabrication shops, tool-and-die operations, and production machining cells where consistent hole location is critical.

Key Features

• Type H industry-code classification for headed, press fit drill bushings
• Inside diameter of 13/16 inch (0.8125 inch) with tolerance of +0.0002 to +0.0006 inch for precise tool guidance
• Body outside diameter of 1-3/8 inches for positive press fit retention in jig plate bores
• Head outside diameter of 1-39/64 inches with 3/8 inch head height for positive axial seating
• Steel construction for durability under repeated drilling cycles
• Non-renewable design — permanently installed, no liner required

Compatibility

Designed as an OEM-style fixed replacement or new-installation drill bushing for steel jig plates and fixture bodies requiring a Type H press fit headed bushing with a 13/16 inch bore.

Installation Notes

Press fit bushings are installed by toolmakers or machinist personnel using an arbor press or hydraulic press — never drive with a hammer directly on the bushing face. The receiving bore in the jig plate must be machined to the correct interference fit tolerance for the bushing outside diameter before installation. Once pressed in, this bushing is not intended for removal or replacement. Confirm bore alignment and jig plate thickness are compatible with the 1 inch length under head before pressing.