Boneham SFT4016JY Slip-fixed Drill Bushing 25/64 in Steel

Product Description

The BONEHAM SFT4016JY is a slip-fixed drill bushing used to guide cutting tools with precision in jig and fixture applications. It features a 25/64 inch inside diameter and a 5/8 inch body outside diameter, with a 1 inch length under the head. Constructed from steel, this bushing is designed to be renewable, allowing it to be removed and replaced without disturbing the jig plate. The head-style design seats flush against the fixture surface and accepts an LS-TW-2 compatible lock screw to hold the bushing securely in position during drilling operations.

Slip-fixed bushings of this type are used in precision metalworking, toolroom, and production drilling setups where repeatable hole location is required. The SF-series designation indicates the bushing slips into a liner bushing installed in the jig plate and locks in place with a set screw. This configuration allows fast tool changes while maintaining accurate drill guidance. Machinists, toolmakers, and fixture builders working in machine shops, manufacturing facilities, and maintenance departments are the typical installers of this component.

Key Features

• 25/64 inch inside diameter with a close tolerance of +0.0001 to +0.0005 inches for accurate tool guidance
• 5/8 inch body outside diameter and 7/8 inch head outside diameter for secure seating in liner bushings
• 1 inch length under head provides sufficient drill guidance depth for standard fixture plates
• Renewable design allows bushing replacement without removing the liner from the jig plate
• Compatible with LS-TW-2 lock screw for positive retention during cutting operations
• Steel construction for durability in repetitive drilling environments

Compatibility

Designed for use with LS-TW-2 compatible lock screws and installed into standard liner bushings sized for a 5/8 inch body outside diameter. Follows SF-series industry standards for slip-fixed renewable drill bushings.

Installation Notes

Installation is performed by machinists or toolmakers as part of jig and fixture assembly or maintenance. Ensure the mating liner bushing bore and the fixture plate are clean and free of chips before inserting the bushing. The lock screw must be properly seated to prevent bushing rotation or pullout during drilling. Always remove cutting pressure and clear the spindle before changing or removing a slip-fixed bushing.