S-93143A542 1/4"-20 x 1" ASME B18.6.3 Aluminum Round Head Slotted Screws
Aluminum 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
- Exceptional strength-to-weight ratio from 2024 Aluminum construction, providing reliable fastening without adding unnecessary bulk
- Superior holding power with fully threaded design ensuring maximum engagement and vibration resistance
- Precision thread fit with Class 2A tolerance for smooth installation and consistent performance
- Enhanced durability with Rockwell B40 hardness and 30,000 psi tensile strength for long-lasting performance
- Easy installation and removal with standard slotted drive design compatible with common tools
- Reliable coarse threading (UNC 1/4"-20) that resists loosening under vibration and dynamic loads
- Optimized head design with 0.472" diameter and rounded profile for smooth appearance and reduced snagging
Professional Applications & Engineering Value
This 2024 Aluminum rounded head slotted screw delivers exceptional performance in demanding industrial environments where weight reduction and corrosion resistance are critical. The fully threaded UNC coarse pattern provides superior grip strength in softer materials and applications subject to vibration, while the Class 2A thread fit ensures consistent installation torque and reliable clamping force. The slotted drive system offers compatibility with standard tools for quick assembly and maintenance operations. With 30,000 psi tensile strength and Rockwell B40 hardness, these screws maintain integrity under mechanical stress, making them ideal for aerospace components, electronic enclosures, and lightweight structural assemblies where aluminum's non-magnetic properties and environmental resistance are essential.
Specification Summary & Compliance
Manufactured to exacting standards with Class 2A thread fit tolerance and UNC 1/4"-20 coarse threading for reliable performance. Complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements, ensuring safe use in regulated industries. Features include right-hand threading, 1" length, 0.472" head diameter, and standardized rounded head profile for consistent application across industrial fastening systems.
