Value Collection SC84949494 Type J Tool Holder Bushing

Product Description

The VALUE COLLECTION SC84949494 is a Type J rotary tool holder bushing designed to locate and support cutting tools in drill jigs and tooling fixtures. With a 1.75-inch inside diameter, a 2.5-inch outside diameter, and a 4-inch length under the head, this bushing provides a stable, precise bore for guided drilling and reaming operations. The head measures 0.333 inches thick, keeping the bushing securely seated against the jig plate surface. At 2.31 pounds, it is a solid, full-size bushing suited for production machining environments where repeatability and tool alignment are critical.

This bushing is used in machine shop, toolroom, and production floor applications where drill jig setups require a renewable liner or press-fit guide for rotating tools. Type J bushings are commonly installed in jig and fixture assemblies for medium-to-large diameter boring, reaming, or drilling operations. The 1.75-inch bore accommodates large-shank cutting tools, and the 4-inch length under the head provides extended tool guidance depth, reducing deflection in deep-hole work. Machinists, tool-and-die makers, and fixture builders are the primary installers.

Key Features

• Type J bushing configuration for standard jig and fixture applications
• 1.75-inch inside diameter accommodates large-shank rotary cutting tools
• 2.5-inch outside diameter for press or slip fit into bushing liners
• 4-inch length under head delivers extended tool guidance and reduced deflection
• 0.333-inch head thickness seats flush and securely against the jig plate
• Solid construction at 2.31 pounds for durability in production use

Compatibility

Designed as a standard Type J drill jig bushing for use in tooling fixtures and drill jig assemblies requiring a 1.75-inch bore and 2.5-inch outside diameter liner fit.

Installation Notes

Tool-and-die makers and machinists typically install jig bushings using an arbor press to achieve the correct interference or slip fit in the liner. Verify bore and outer diameter tolerances against the jig plate or liner before pressing. Always remove chips and clean the bore before seating the bushing. Follow applicable shop safety procedures and power down all machine tools before handling fixture components.