S-90279A841 3/8"-16 x 1" ASME B18.6.3 Steel Round Head Phillips Screws
Steel Round Head Phillips 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 zinc-plated steel construction for extended service life in demanding environments
- Excellent load-bearing capacity with 60,000 psi tensile strength and Rockwell B69 hardness for reliable performance under stress
- Quick and secure installation through fully threaded UNC coarse thread design with Class 2A fit for optimal engagement
- Enhanced torque transmission with No. 4 Phillips drive and rounded head profile for efficient assembly operations
- Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global industrial use
- Versatile inch-system compatibility with 3/8"-16 thread size and 1" length for broad application across equipment and machinery
- Consistent quality performance through standardized manufacturing ensuring dimensional accuracy and thread reliability
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws provide critical solutions for industrial assembly challenges where corrosion resistance and structural integrity are paramount. The combination of 60,000 psi tensile strength and Rockwell B69 hardness ensures reliable fastening in heavy machinery, equipment frames, and structural components subjected to vibration and dynamic loads. The fully threaded UNC coarse thread design enables rapid installation while maintaining Class 2A thread fit precision, reducing assembly time without compromising joint security. The rounded head profile with No. 4 Phillips drive offers superior torque transfer during installation, making these industrial screws ideal for manufacturing, automotive, and construction applications requiring durable, compliant fasteners.
Specification Summary & Compliance
This 3/8"-16 x 1" screw features Class 2A thread fit tolerance with UNC coarse thread spacing (16 TPI) and right-hand threading. Manufactured to ASME B18.6.3 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The inch-system dimensional accuracy ensures consistent performance across industrial applications requiring standardized fastener solutions.
