S-90550A910 3/8"-16 x 3/4" ASME B18.3, ASTM F879, MIL-DTL-18240 Venting Stainless Steel Hex-Drive Flat Head Screws
Venting Stainless Steel Hex-Drive Flat 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 18-8 stainless steel construction, ideal for harsh industrial environments
- Precise Class 3A thread fit ensures reliable engagement and vibration resistance in critical assemblies
- Vented design with 0.093" diameter prevents pressure buildup and allows for easier installation
- 82° countersink angle provides flush seating for a clean, professional finish
- 7/32" hex drive offers secure tool engagement and reduces stripping during high-torque applications
- Fully threaded UNC coarse design enables faster installation and superior holding power
- Comprehensive compliance with major industrial standards including ASME B18.3, ASTM F879, and MIL-DTL-18240
Professional Applications & Engineering Value
This 3/8"-16 UNC flat head screw delivers exceptional performance in demanding industrial applications where corrosion resistance and precision threading are critical. The 18-8 stainless steel construction provides long-term durability against moisture, chemicals, and environmental exposure, making it ideal for marine equipment, food processing machinery, and outdoor structures. The vented design eliminates air compression issues during installation, while the 82° countersink angle ensures flush mounting in precision-machined components. With Class 3A thread fit and coarse UNC threading, this fastener maintains secure connections in high-vibration environments, reducing maintenance requirements and downtime in industrial assembly operations.
Specification Summary & Compliance
This 3/4" flat head screw features precision UNC coarse threading with Class 3A thread fit for superior dimensional accuracy. Manufactured to meet ASME B18.3, ASTM F879, and MIL-DTL-18240 specifications, ensuring consistent quality and performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring strict material safety standards.
