Value Collection 999074 1/4-20 X 1/2 in Pan Head Phillips Screw

Product Description

The VALUE COLLECTION 999074 is a 1/4-20 x 1/2 inch pan head Phillips machine screw made from Grade 316 stainless steel with a bright, uncoated finish. The UNC thread form and 1/4-20 thread size make it a standard fastener for general mechanical assembly, panel mounting, and equipment fabrication. Grade 316 stainless offers superior corrosion resistance compared to Grade 304, making this screw well suited for wet, marine, chemical, or outdoor environments. The pan head profile provides a low-profile bearing surface and is driven with a standard Phillips screwdriver or bit. Sold in a pack of 10.

This screw is used across a wide range of trade applications including HVAC equipment panels, electrical enclosures, plumbing fixture brackets, and pool or marine equipment where corrosion resistance is critical. The 1/2 inch length measured under the head suits thin-panel and sheet-metal fastening tasks. Its inch-system sizing makes it compatible with standard 1/4-20 tapped holes and 1/4-20 nuts found throughout commercial and residential mechanical equipment.

Key Features

• Grade 316 stainless steel construction for superior corrosion and chemical resistance
• 1/4-20 UNC thread form for compatibility with standard inch-system tapped holes
• Pan head profile provides a wide bearing surface with low overall height
• Phillips drive accepts standard Phillips screwdrivers and power-tool bits
• Bright uncoated finish — no coating to crack, chip, or interfere with torque
• Sold in packs of 10

Compatibility

Designed for use in any application requiring a 1/4-20 UNC inch-system machine screw with a pan head and Phillips drive in Grade 316 stainless steel.

Installation Notes

Install using a Phillips screwdriver or Phillips bit on a power driver set to a controlled clutch setting to avoid stripping the drive recess in stainless fasteners. When threading into tapped metal, verify the receiving thread is clean and free of debris before driving. Stainless steel fasteners are susceptible to galling — apply an appropriate anti-seize compound when threading into stainless or aluminum tapped holes for easier future removal. De-energize any equipment and follow applicable safety lockout procedures before fastening or removing hardware on live electrical or mechanical systems.