Direct From Factory 1/4″-20 X 1/2″ Machine Screws 100 Degree Flat Head Phillips Drive Steel Zinc Plated (100/Pkg.)
Original price was: $4.44.$2.31Current price is: $2.31.
[5000 BULK] Phillips 100-Degree Flat Head Machine Screws, Zinc-Plated Steel, 1/4-20 x 1/2 packs are designed for secure, flush-mounted fastening in metal and wood projects. This bulk assortment is ideal for manufacturing, fabrication, and hardware kits where consistent quality is essential.
Size: 1/4-20 UNC
Length: 1/2 inch
Drive: Phillips
Head style: Flat head (countersunk) with a 100-degree head angle
Material & Finish: Steel with zinc plating for corrosion resistance
Quantity: 5000 screws in bulk packaging
Ideal for attaching thin metal panels, electrical enclosures, chassis, or cabinetry where a low-profile, flush finish is required. The zinc finish helps resist rust in indoor environments, while the Phillips drive provides reliable torque and reduced cam-out during installation.
Whether you’re outfitting a production run or stocking your shop, these bulk machine screws offer consistent size, thread pitch, and head style for dependable performance across projects.





