Gibraltar 41417G T-slot Nut Blind Tapped 5/8-11

Product Description

The GIBRALTAR 41417G is a blind tapped T-slot nut designed for securing workpieces and fixtures to T-slotted tables, rails, and extrusions. Machined from 1018 steel with a black oxide finish, this nut accepts a 5/8-11 right-hand thread and fits a 13/16 inch (0.8125 inch) slot width. The base measures 1-1/4 inches wide by 9/16 inches tall, with an overall length of 1-1/2 inches and an overall height of 1 inch. The blind tap design closes off one end of the threaded bore, keeping chips and debris out of the thread when a fastener is not installed. Machinists, toolmakers, and fixture builders install this nut in machine tool tables and modular fixturing systems.

This T-slot nut is suited for use on mill tables, surface plates, welding fixtures, and modular workholding systems that use inch-standard T-slots. The 21.00 mm table slot size compatibility makes it a practical fit for a wide range of metalworking and fabrication setups. It is typically installed as part of a clamping kit or custom fixture assembly on manual or CNC milling machines and dedicated fixture plates.

Key Features

• Blind tapped bore keeps threads protected from chips and contamination when not in use
• 5/8-11 right-hand thread accepts standard clamping studs and bolts
• 1018 steel construction provides solid strength for fixturing loads
• Black oxide finish offers mild corrosion resistance and reduced light glare
• Fits 13/16 inch (0.8125 inch) T-slots, compatible with 21.00 mm table slot size
• Inch measurement system for straightforward integration with standard tooling

Compatibility

Designed for use in inch-standard T-slotted machine tables, fixture rails, and modular workholding systems with a 13/16 inch slot width and a 21.00 mm table slot size designation.

Installation Notes

Installation is performed by machinists or toolmakers during fixture setup. Slide the nut into the T-slot from the end of the rail or through an access opening, then rotate 90 degrees to engage the slot walls before threading in the clamping stud or bolt. Ensure the table or rail is free of chips and debris before inserting the nut to prevent binding or damage to the slot. Do not exceed the load ratings of the mating clamping hardware or the machine table manufacturer specifications.