S-91857A542 1/4"-20 x 1" ASME B18.6.3 Stainless Steel Round Head Slotted Screws
Stainless Steel Round Head Slotted 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 in harsh environments thanks to 316 stainless steel construction and passivated finish
- High-strength performance with 100,000 psi tensile strength and Rockwell B100 hardness for demanding applications
- Reliable coarse threading with 1/4"-20 UNC fully threaded design ensures secure fastening and easy installation
- Precise Class 2A thread fit guarantees consistent engagement and reduces the risk of cross-threading
- Slotted drive compatibility with rounded head profile allows for straightforward manual installation and removal
- Full regulatory compliance with ASME B18.6.3, RoHS 3, and REACH for safe use in regulated industries
- Durable 1" length with complete threading provides versatile fastening solutions across various material thicknesses
Professional Applications & Engineering Value
This 316 stainless steel rounded head slotted screw is engineered to address critical challenges in corrosive and high-stress industrial environments. The combination of 316 stainless steel material and passivated finish creates exceptional resistance to chemicals, saltwater, and extreme weather conditions, making it ideal for marine equipment, chemical processing plants, and outdoor infrastructure. The 1/4"-20 UNC coarse threading with full thread coverage ensures maximum grip strength and prevents loosening under vibration, while the slotted drive style offers compatibility with standard tools for maintenance efficiency. These industrial screws deliver long-term reliability in applications where corrosion failure is not an option, significantly reducing maintenance costs and downtime.
Specification Summary & Compliance
This screw maintains Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. Manufacturing follows ASME B18.6.3 specifications for consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated environments and commitment to environmental standards.
