Value Collection R52001111 5/16-18 X 1/2 in Pan Head Screw

Product Description

The VALUE COLLECTION R52001111 is a 5/16-18 pan head machine screw designed for general-purpose mechanical assembly. It features a slotted drive, a zinc-plated steel body for basic corrosion resistance, and meets Grade J82 material requirements per ASME B18.6.3 and SAE J82 standards. The nominal length under head is 1/2 inch, and thread size is 5/16-18 unified coarse. This fastener is sold in multiples and is appropriate for maintenance, repair, and original-equipment assembly work across industrial, commercial, and trade applications where a standard inch-series machine screw is required.

This screw is suited for light to medium fastening tasks in metal-to-metal or metal-to-plastic assemblies. The pan head profile provides a low-profile, wide bearing surface appropriate for through-hole and tapped-hole applications. It is commonly used by millwrights, HVAC technicians, electricians, and maintenance personnel when securing panels, brackets, enclosures, and equipment covers. The slotted drive makes it compatible with standard flathead screwdrivers and slotted power-drive bits.

Key Features

• Thread size 5/16-18 unified coarse for broad compatibility with standard tapped holes
• 1/2 inch length under head for controlled engagement depth in shallow assemblies
• Pan head profile delivers a wide, flat bearing surface without requiring a washer
• Slotted drive accepts standard flathead screwdrivers and power-drive bits
• Zinc-plated steel construction provides baseline corrosion resistance for indoor and protected environments
• Meets ASME B18.6.3 and SAE J82 dimensional and material standards

Compatibility

Designed as a standard inch-series machine screw for use in any application requiring a 5/16-18 thread, 1/2 inch length under head, pan head, slotted-drive fastener per ASME B18.6.3.

Installation Notes

Installation is performed by any trade requiring mechanical fastening. Ensure the receiving hole is properly tapped to 5/16-18 before driving the screw. Do not overtighten, as this can strip threads in softer base materials. A torque wrench or driver with a clutch setting is recommended when consistent clamp load is required across multiple fasteners.