S-96640A367 1/4"-20 x 1" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with Black-Oxide 18-8 Stainless Steel construction, ideal for harsh environments and reducing replacement frequency
• High tensile strength of 80,000 psi ensures reliable performance under heavy loads and mechanical stress
• Precise Class 2A thread fit guarantees smooth installation and secure fastening with minimal risk of cross-threading
• Fully threaded design provides maximum grip and uniform load distribution across the entire length
• Standard 100° countersink angle allows for flush mounting, enhancing aesthetics and preventing snagging
• No. 3 Phillips drive offers efficient torque transfer and easy installation with common tools
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures product reliability and environmental safety for industrial use

Professional Applications & Engineering Value

These 1/4"-20 UNC flat head Phillips screws are engineered to address critical industrial challenges, such as vibration loosening and corrosion-induced failure. The Black-Oxide 18-8 Stainless Steel material provides excellent resistance to rust and oxidation, making them suitable for outdoor equipment, marine applications, and machinery exposed to moisture. The fully threaded design and coarse UNC threading ensure quick assembly and strong holding power in metals and plastics, reducing installation time and maintenance costs. With a Rockwell B80 hardness and high tensile strength, these screws maintain integrity under dynamic loads, while the standard flat head profile and 100° countersink angle enable seamless integration into countersunk holes for a smooth, professional finish in automotive, construction, and electronics industries.

Specification Summary & Compliance

This product features a 1/4"-20 UNC coarse thread with Class 2A fit for precise dimensional accuracy and ease of assembly. It is manufactured in accordance with ASME B18.6.3 specifications, ensuring consistent quality and performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms adherence to environmental and safety standards, free from hazardous substances. Additional details include a right-hand thread direction, fully threaded length of 1", and a No. 3 Phillips drive size, all designed to meet rigorous industrial demands.