S-91266A200 8-32 x 1" ASTM F835 Alloy Steel Thread-Locking Hex Drive Flat Head Screws
Alloy Steel Thread-Locking 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
- Vibration-resistant locking with Nylon Patch thread locker prevents loosening in high-stress applications from -65° to 250°F
- Exceptional tensile strength of 130,000 psi ensures reliable performance under heavy loads and industrial demands
- Corrosion-resistant Black-Oxide finish on Alloy Steel enhances durability and extends service life in harsh environments
- Precise Class 3A thread fit guarantees smooth installation and secure mating with nuts and threaded components
- Fully threaded UNC coarse design provides maximum grip length and faster assembly in various materials
- Standard 82° countersink angle allows for flush mounting in tapered seats, improving aesthetics and safety
- Hex drive compatibility with 3/32" tools enables high-torque installation without cam-out risks
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this 8-32 flat head hex screw combines Black-Oxide Alloy Steel construction with a Nylon Patch thread locker to solve critical vibration-induced loosening problems in machinery, automotive, and electrical assemblies. The fully threaded UNC coarse design ensures maximum engagement in sheet metal, plastic, and soft materials, while the 82° countersink angle provides seamless flush mounting. With a 130,000 psi tensile strength and Rockwell C39 hardness, it maintains structural integrity under dynamic loads, making it ideal for applications where reliability and compliance with ASTM F835 standards are non-negotiable.
Specification Summary & Compliance
This fastener meets Class 3A thread fit tolerances for precision and is manufactured in accordance with ASTM F835 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global markets. The right-hand UNC coarse thread and fully threaded design adhere to industrial standards for consistent performance.
