4-40 X 5/16″ Machine Screws 82 Degree Flat Undercut Head Phillips Drive Steel Zinc Plated (10000/Pkg.) Authentic
Original price was: $422.53.$177.46Current price is: $177.46.
For orders under $150.00, a shipping fee of $12.99 applies.
Introducing bulk-packaged fasteners designed for dependable performance in electronics, enclosures, and metalworking. The [10000 BULK] Machine Screws Phil 82 Degree Flat Undercut Steel Zinc Plated 4-40 X 5/16 combine a Phillips drive with a flat undercut head, crafted from steel and finished in zinc plating for corrosion resistance.
Thread size: 4-40
Length: 5/16 inch
Drive: Phillips (Phil) 82 Degree
Head style: Flat Undercut
Material: Steel
Finish: Zinc Plated
Quantity: 10,000 per bulk pack
Applications: Electronics enclosures, metal chassis, appliances, and general mechanical assemblies
Stock up with this bulk pack to ensure you have a reliable, consistent supply of high-quality machine screws for everyday projects and bulk manufacturing runs. Add to cart today for fast, secure fastening solutions.





