S-95955A295 10-32 x 3/4" Left-Hand-Thread Stainless Steel Button Head Hex-Drive Screws
Left-Hand-Thread Stainless Steel Button Head Hex-Drive 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
- Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Superior mechanical strength with 80,000 psi tensile strength and Rockwell B85 hardness for heavy-duty applications
- Secure left-hand threading prevents loosening in counter-rotating machinery and specialized assemblies
- Precision Class 2A thread fit ensures consistent engagement and reliable fastening performance
- Convenient hex drive compatibility with 1/8" drive size for efficient installation and removal
- Fully threaded design provides maximum grip length and uniform load distribution
- Regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
Engineered for demanding industrial scenarios where standard right-hand threads would compromise safety, these 10-32 UNF left-hand thread screws deliver critical reverse-threading security in rotating equipment, machinery guards, and specialized assemblies. The 18-8 Stainless Steel composition provides excellent corrosion resistance in chemical processing, marine, and food processing environments, while the hex drive design ensures high torque transmission without cam-out. With fine UNF threading and Class 2A fit, these fully threaded fasteners maintain precise alignment in vibration-prone applications, offering engineers a reliable solution for preventing unintended disassembly in counter-clockwise rotating systems.
Specification Summary & Compliance
This precision fastener features 10-32 UNF left-hand fine threads with Class 2A thread fit tolerance, ensuring consistent mating with standard UNF nuts and threaded components. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 3/4" length and 0.361" head diameter with standard button profile provide optimal dimensional stability for industrial applications requiring reliable left-hand thread fastening solutions.
