S-97715A426 4-40 x 5/16" Brass Button Head Hex-Drive Screws
Brass Button Head Hex-Drive Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with brass material, ideal for harsh industrial environments and electrical applications
- Precise Class 3A thread fit ensures reliable, vibration-resistant connections in critical assemblies
- High 50,000 PSI tensile strength provides exceptional load-bearing capacity for demanding mechanical applications
- Rockwell B55 hardness offers excellent durability and wear resistance for repeated use
- Fully threaded design maximizes grip and holding power across the entire screw length
- 1/16" hex drive enables secure tool engagement and efficient installation in confined spaces
- RoHS 3 and REACH compliance meets international environmental standards for safe, sustainable manufacturing
Professional Applications & Engineering Value
This 4-40 UNC brass rounded button head screw delivers exceptional engineering value through its coarse thread spacing and fully threaded design, providing rapid installation and superior clamping force in industrial equipment, electronic enclosures, and precision instruments. The brass construction naturally resists corrosion and offers excellent electrical conductivity, making it ideal for applications requiring both mechanical strength and electrical grounding. The rounded button head profile with 1/16" hex drive ensures flush mounting while preventing snagging, crucial for assemblies where smooth surfaces and space constraints are critical. With right-hand thread direction and Class 3A thread fit, these screws maintain consistent torque values and vibration resistance in high-performance environments.
Specification Summary & Compliance
Manufactured to precise inch system specifications with Class 3A thread fit per UNC standards, ensuring tight tolerances and reliable performance. The screw features 4-40 UNC coarse threads, 5/16" length, and 0.213" head diameter with standard rounded button head profile. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components.
