#4-40 Phillips Pan Head Machine Screws

Carbon Steel with Black Oxide Finish – High-Strength Screws

Our #4-40 Phillips Pan Head Machine Screws are made from high-quality carbon steel with a black oxide and oil finish. The black oxide coating provides mild corrosion resistance and a sleek appearance. The pan head design offers a larger bearing surface and a neat, finished look. Fully threaded with a blunt end, these machine screws are ideal for use in pre-threaded holes or with nuts, offering a secure and precise fastening solution in metal, plastic, and other materials.

Key Features

• High Strength: Carbon steel construction provides excellent tensile strength for demanding applications.
• Black Oxide Finish: Offers mild corrosion resistance and a sleek, professional appearance.
• Enhanced Bearing Surface: Pan head design offers a larger contact area for better load distribution.
• Precision Threading: Fully threaded shank ensures excellent grip and alignment in tapped holes or with nuts.
• Easy Installation: Phillips #1 drive allows for quick and convenient fastening with standard tools.
• High-Quality Assurance: Monster Bolts offers only the highest quality fasteners that meet or exceed industry standards.

Specifications

• Diameter: #4
• Thread Size: 40 TPI – Fine Thread
• Drive Type: Phillips #1
• Head Type: Pan Head (Type H)
• Material: Carbon Steel
• Finish: Black Oxide and Oil
• System of Measurement: Inch (Imperial / U.S.)
• Standards Met: ASME B18.6.3-2010 & SAE J82

Usage Information

These carbon steel machine screws are intended for use in applications requiring high strength and a professional appearance. The black oxide finish reduces glare and provides a mild level of corrosion resistance. The #4-40 size, featuring a fine thread, is ideal for applications requiring greater thread engagement and strength, such as machinery, electronics, and equipment assembly.

Ideal Applications

• Machinery and Equipment Assembly
• Automotive and Aerospace Industries
• Electronics and Electrical Components
• Metal and Plastic Fabrication
• Furniture and Cabinetry
• DIY Projects and Repairs

Matching Products

• Nuts: Find matching #4-40 nuts here.
• Washers: Find matching washers here.
• Phillips Drive Tools: Find #1 Phillips head bits here.

Order Yours Today

Enhance your projects with our high-strength #4-40 Phillips Pan Head Machine Screws. Perfect for achieving a professional look and secure fastening in demanding applications. Order today and experience Monster Bolts’ fast shipping and superior customer service!

✔️ Trusted by professionals and hobbyists alike

✔️ High-strength carbon steel with black oxide finish

✔️ Available in various lengths to suit your needs