S-92453A107 4-40 x 5/16" ASME B18.6.3 Brass Round Head Slotted Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from brass material, ideal for harsh environments and extended service life.
• High tensile strength of 50,000 psi ensures reliable performance under mechanical stress and vibration.
• Class 2A thread fit with UNC coarse spacing provides easy assembly and secure fastening in various materials.
• Rockwell B40 hardness offers excellent durability and resistance to wear in repetitive applications.
• Slotted round head design allows for straightforward installation with standard screwdrivers, reducing assembly time.
• Full threading along the 5/16" length maximizes grip and holding power in pre-tapped holes.
• Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards for industrial use.

Professional Applications & Engineering Value

This 4-40 UNC brass slotted round head screw is engineered to address common industrial challenges such as corrosion and mechanical failure. Made from brass, it resists oxidation and galvanic corrosion, making it perfect for electrical enclosures, marine equipment, and plumbing systems. The coarse thread spacing and Class 2A fit ensure quick, secure fastening in soft metals and plastics, reducing the risk of stripping. With a rounded head profile and slotted drive, it simplifies maintenance and disassembly in tight spaces. Ideal for industrial brass fasteners in OEM and MRO applications, this screw delivers consistent performance where reliability and regulatory compliance are critical.

Specification Summary & Compliance

This screw features precise inch system measurements with a thread size of 4-40 UNC, Class 2A thread fit for standard tolerance, and coarse thread spacing. It is manufactured in compliance with ASME B18.6.3 specifications and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.