S-99926A109 6-32 x 1/2" Stainless Steel Hex Drive Flat Head Screws
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 and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for reliable, heavy-duty fastening.
- Precise, vibration-resistant threading with Class 3A thread fit and UNC coarse thread spacing for secure installations.
- Flush, low-profile seating due to the 100° countersink angle and undercut flat head design, preventing surface protrusion.
- Easy installation and removal with a 5/64" hex drive, reducing tool slippage and assembly time.
- Durable partial threading for controlled engagement, minimizing material stress in precise applications.
- Compliance with global regulations including RoHS 3 and REACH, ensuring safe and sustainable use.
Professional Applications & Engineering Value
This 6-32 UNC flat head screw is engineered to address common industrial fastening challenges, such as corrosion, vibration loosening, and installation efficiency. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to rust and chemical exposure, making it suitable for machinery, electronics, and outdoor equipment. The Class 3A thread fit and coarse thread spacing ensure a tight, secure connection that withstands dynamic loads and reduces the risk of thread stripping. The flat head with undercut and 100° countersink angle allows for a seamless fit in countersunk holes, enhancing aesthetic appeal and preventing snagging. Its hex drive design facilitates quick torque application, streamlining assembly in high-volume production environments where reliability and speed are critical.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 3A thread fit for high precision and minimal tolerance. Key dimensions include a 1/2" length, 6-32 thread size, and 0.307" head diameter. It is manufactured to comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for industrial use.
