Bulk Machine Screws PH 100 Degree Flat Steel Black Oxide 4-40 x 3/8 a cost-effective, high-volume fastening solution designed for fast, reliable assembly across a wide range of projects. The 10,000-count pack ensures you always have the right hardware on hand for bulk manufacturing, repair work, or DIY tasks.

• Quantity: 10,000 screws per bulk pack
• Size / Thread: 4-40 UNC
• Length: 3/8 in (9.5 mm)
• Head & Drive: 100 Degree Flat Head with Phillips drive
• Material & Finish: Steel with Black Oxide finish for a uniform appearance and modest corrosion resistance
• Applications: Ideal for general machine assembly, electronics enclosures, appliances, and DIY projects

The black oxide finish provides a clean, uniform look with added protection for metal-to-metal fastening. These screws are designed for reliable engagement and consistent performance in 4-40 hardware setups, making them a staple for any workshop or manufacturing line.

Stock up today and enjoy the efficiency of bulk procurement with dependable, uniform fasteners that meet standard 4-40 specifications.