Boneham H134BP Press Fit Headed Drill Bushing Type H

Product Description

The BONEHAM H134BP is a Type H press fit headed drill bushing designed to guide cutting tools with precision during drilling, reaming, or boring operations. Built from steel, this bushing features a 0.0595-inch inside diameter (wire gauge #53) and a 13/64-inch body outside diameter, with a head outside diameter of 19/64 inches and a head height of 3/32 inches. The length under head measures 1/4 inch. It installs by press fitting directly into a jig plate, providing a fixed, non-renewable guide that holds position under repeated tool passes. Inside diameter tolerance is held to +0.0001 to +0.0004 inches, making it suitable for close-tolerance work.

This bushing is used in drill jig applications across metalworking, machining, and light manufacturing environments. It is intended for installation in tool plates and fixtures where a permanent, headed guide bushing is required. The headed design seats flush against the jig plate face, preventing axial pullout during upward tool withdrawal. Typical applications include production drilling and template-guided hole location in both job shop and production line settings.

Key Features

• Press fit installation method for permanent, fixed positioning in jig plates
• Inside diameter 0.0595 inches (wire gauge #53) with tight tolerance of +0.0001 to +0.0004 inches
• Steel construction for durability under repeated drilling cycles
• Headed design with 19/64-inch head OD resists axial pullout
• 1/4-inch length under head suits standard jig plate thicknesses
• Non-renewable design — intended as a permanent press-in installation

Compatibility

Designed as an OEM-style fixed replacement for Type H press fit headed drill bushings in standard drill jig and fixture applications.

Installation Notes

Installation is performed by a machinist or toolmaker using a press or arbor press to seat the bushing flush into a prepared jig plate bore. The receiving bore should be machined to the appropriate interference fit tolerance for a press fit bushing before installation. Once pressed in, this bushing is not designed for removal or replacement. Ensure the jig plate is secured and properly supported during pressing to avoid distortion.