Value Collection 20019 Steel T-slot Bolt 1/2-13 Uncoated

Product Description

The VALUE COLLECTION 20019 is a steel T-slot bolt designed to secure workpieces and fixtures to machine tables, jigs, and other slotted mounting surfaces commonly found in machining and fabrication environments. Built to ANSI standards with a Class 3 thread fit and Grade C-1045 material, this bolt delivers reliable clamping force in demanding shop conditions. The 1/2-13 UNC thread and 1-1/2 inch thread length provide solid engagement with standard T-slot nuts. The uncoated finish suits environments where coating buildup or chemical interaction is a concern. Machinists, tool and die makers, and fabricators install this hardware as part of workholding setups on mills, drill presses, and surface plates.

This T-slot bolt is sized for 1/2 inch wide T-slots, which are a common standard on manual and CNC milling machine tables, angle plates, and fixture plates. The 3-1/2 inch length under head accommodates typical workholding stackups including strap clamps, step blocks, and spacers. With a head width of 7/8 inch and a head height of 9/32 inch, the head profile fits cleanly into standard 1/2 inch T-slots without modification. Sold individually, this bolt suits applications requiring single-piece replacement or low-volume fixture assembly.

Key Features

• 1/2-13 UNC thread with Class 3 fit for precise, secure engagement
• 1-1/2 inch thread length provides ample nut engagement for clamping loads
• 3-1/2 inch length under head accommodates standard strap clamp and step block stackups
• Sized for 1/2 inch T-slots — a common standard on milling machine tables and fixture plates
• Grade C-1045 steel construction for strength in workholding applications
• Uncoated finish — no coating to chip, flake, or interfere with precision fitment

Compatibility

Designed for use in 1/2 inch wide T-slots on machine tables, angle plates, fixture plates, and similar workholding surfaces that accept standard T-slot hardware.

Installation Notes

Installation is performed by machinists or fabricators as part of a workholding or fixturing setup. Power down and de-energize any machine before adjusting or installing workholding hardware on the table. Drop the T-slot bolt head into the slot, rotate 90 degrees to engage the slot, then thread on the appropriate T-slot nut and clamp hardware. Always confirm thread engagement depth is adequate before applying clamping load.