Gibraltar 842620-G Steel T-slot Bolt 5/8-11 Black

Product Description

The GIBRALTAR 842620-G is a Grade 5 steel T-slot bolt designed to secure workpieces, fixtures, and tooling components in T-slotted tables, machine beds, and structural extrusions. The bolt features a 5/8-11 UNC thread with a 1-1/2 inch thread length and a head profile sized to engage a 5/8 inch T-slot. Head width measures 1-1/8 inches with a head height of 11/32 inches. The length under the head is 2 inches. A black finish provides basic corrosion resistance for indoor shop environments. This fastener is installed by machinists, toolmakers, and maintenance technicians working on machine tool setups and fixture builds.

The 842620-G is suited for use in T-slotted machine tables, milling fixtures, welding tables, and modular workholding systems that accept 5/8 inch T-slots. It is a standard inch-series fastener and is compatible with setups requiring 5/8-11 UNC threaded hardware. Typical applications include clamping strap assemblies, step block sets, and custom fixture plates in production and job shop environments.

Key Features

• 5/8-11 UNC thread for compatibility with standard inch-series clamping hardware
• 1-1/2 inch thread length provides sufficient engagement for standard strap clamp assemblies
• 5/8 inch slot width fits common T-slotted machine table channels
• Grade 5 steel construction for reliable tensile strength under clamping loads
• Black finish for basic surface protection in indoor machining environments
• 1-1/8 inch head width and 11/32 inch head height sized for positive T-slot engagement

Compatibility

Designed as an OEM-style replacement or direct-fit fastener for T-slotted workholding systems requiring a 5/8 inch slot width and 5/8-11 UNC threaded bolt.

Installation Notes

Installation is performed by machinists or maintenance technicians using standard hand tools and torque wrenches. Always de-energize and lock out machine tools before accessing T-slots or repositioning fixtures. Verify that the bolt head seats fully within the T-slot channel before applying clamping force. Do not exceed the rated capacity of the clamping assembly or the machine table manufacturer's torque guidelines.