S-91802A556 1/4"-20 x 3 1/2" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws
Stainless Steel Phillips Oval Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with Passivated 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- High tensile strength of 80,000 psi ensures reliable, long-lasting fastening under heavy loads.
- Rockwell B80 hardness provides excellent durability and resistance to wear and deformation.
- Partially threaded design with Class 2A fit offers precise engagement and secure holding power.
- Oval head with Phillips No. 3 drive allows for a flush, low-profile finish and easy installation.
- 1/4"-20 UNC coarse thread enables quick assembly and strong grip in a variety of materials.
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees quality, safety, and environmental standards.
Professional Applications & Engineering Value
This 1/4-20 x 3-1/2 inch oval head Phillips screw is engineered for demanding industrial applications where reliability and corrosion resistance are critical. Made from passivated 18-8 stainless steel, it effectively combats rust and chemical exposure, reducing maintenance in environments like marine, food processing, and outdoor machinery. The partially threaded design with UNC coarse threads ensures rapid installation and strong retention in metals and plastics, while the oval head sits flush to prevent snagging and improve aesthetics. Its high 80,000 psi tensile strength and Rockwell B80 hardness provide dependable performance in structural assemblies, making it a top choice for engineers seeking durable, compliant fasteners that meet ASME B18.6.3 standards.
Specification Summary & Compliance
This screw features a 1/4"-20 UNC coarse thread with a Class 2A thread fit for precise dimensional accuracy and ease of assembly. It is manufactured in compliance with ASME B18.6.3 specifications, ensuring consistent quality and performance. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its safety and environmental compliance for global industrial use.
