Value Collection 1-DER-07-17- Iron Thumb Screw 5/16-18

Product Description

The VALUE COLLECTION 1-DER-07-17- is a winged iron thumb screw designed for hand-tightened fastening applications where tools are not required for frequent assembly and disassembly. It features a 5/16-18 UNC thread, a 2-inch length under head, and an overall length of 2-3/4 inches. The head measures 1-3/4 inches in diameter and 3/4 inches in height, providing a broad surface for reliable finger grip. A zinc-plated finish adds basic corrosion resistance. This thumb screw includes a shoulder, which provides a bearing surface and helps align mating components during installation.

This winged thumb screw is suited for use in light industrial, mechanical, and trade-service applications where panels, guards, covers, or access doors must be removed and reinstalled regularly without tooling. Common installation scenarios include equipment enclosures, jigs, fixtures, and adjustable mounting assemblies in HVAC, electrical, and general mechanical service environments. The 5/16-18 UNC thread is a standard coarse-thread specification compatible with a wide range of tapped holes and threaded inserts in that size.

Key Features

• Winged head design allows hand-tightening and loosening without tools
• 5/16-18 UNC coarse thread for broad compatibility with standard tapped components
• With-shoulder construction provides a locating bearing surface during assembly
• 1-3/4-inch head diameter and 3/4-inch head height for secure finger grip
• Zinc-plated iron construction for basic corrosion resistance in light-duty service
• Overall length of 2-3/4 inches with 2 inches of usable thread length under head

Compatibility

Designed as a standard replacement or service thumb screw for any assembly using a 5/16-18 UNC tapped hole requiring a winged, shouldered fastener.

Installation Notes

Installation requires no special tools — hand-tighten only to avoid stripping the iron threads or damaging mating components. Ensure the tapped hole or mating nut is clean and free of debris before threading. Do not use a wrench or driver on the winged head, as the head is not designed for tool torque. Confirm thread engagement is adequate for the load before placing the assembly back in service.