Jergens 44505 T-slot Bolt 3/4-10 1-1/2in Thread Black Steel

Product Description

The JERGENS 44505 is a steel T-slot bolt designed for securing workpieces and fixtures to T-slotted machine tables, jigs, and fixturing plates. It features a 3/4-10 UNC thread with a 1-1/2 inch thread length and is machined from Grade 4140 steel for high strength under clamping loads. The black finish provides basic corrosion resistance in shop environments. With a 4 inch length under the head and a head width of 1-5/16 inches, this bolt seats firmly in standard 3/4 inch T-slots. Licensed machinists, toolmakers, and fixture builders install this hardware as part of workholding setups on mills, surface grinders, and similar machine tools.

This T-slot bolt is suited for use in production machining, tool and die, and precision fixturing applications where a 3/4 inch wide T-slot is present. It is a direct-fit component for machine tables and modular fixturing systems that accept 3/4 inch T-slot hardware. The Class 2A thread fit ensures consistent engagement with standard T-slot nuts and mating components. Sold individually, it is appropriate for building or replacing hardware in custom or existing workholding assemblies.

Key Features

• 3/4-10 UNC thread with Class 2A fit for reliable engagement with standard T-slot nuts
• Grade 4140 steel construction provides high tensile strength under clamping loads
• Fits 3/4 inch wide T-slots on standard machine tables and fixturing plates
• 4 inch length under head accommodates varying fixture stack heights
• Black finish for basic surface protection in machine shop environments
• Head width of 1-5/16 inches and head height of 7/16 inches for positive T-slot seating

Compatibility

Designed as an OEM-style replacement or direct-fit component for machine tables, jigs, and fixturing systems with 3/4 inch wide T-slots accepting 3/4-10 UNC T-slot bolt hardware.

Installation Notes

Installation is typically performed by machinists or toolmakers as part of workholding setup. The machine tool must be powered down and any moving axes locked or secured before adjusting or installing fixture hardware. Use appropriate torque to seat the bolt without deforming the T-slot channel or mating nut. Inspect threads for damage before installation and replace any worn mating hardware to maintain clamping integrity.