S-95955A267 8-32 x 3/8" 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 environments and extended service life.
- Reliable left-hand thread engagement prevents loosening in applications with counter-clockwise rotational forces.
- High-strength performance with 80,000 psi tensile strength and Rockwell B85 hardness for demanding mechanical assemblies.
- Secure and flush installation thanks to the rounded button head design and 3/32" hex drive for a clean, low-profile finish.
- Precise and consistent threading with UNC coarse thread and Class 2A fit ensures easy assembly and reliable fastening.
- Full-length threading provides maximum grip and holding power along the entire 3/8" shank length.
- Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe and responsible industrial use.
Professional Applications & Engineering Value
This 8-32 UNC left hand thread screw is engineered to address specific industrial challenges where reverse-threading is critical for safety and performance. Manufactured from 18-8 stainless steel, it offers superior resistance to rust and corrosion, making it suitable for machinery, automotive, and outdoor equipment exposed to moisture or chemicals. The coarse thread and Class 2A fit facilitate quick assembly while maintaining vibration resistance, reducing maintenance needs. The rounded button head with a hex drive allows for tight spaces and a smooth surface finish, preventing snagging. Ideal for applications requiring left-hand threading to secure components against standard rotational forces, this screw ensures operational integrity in conveyors, rotating shafts, and specialized fixtures, delivering long-term durability and reliability.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy and ease of assembly. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The manufacturing process meets industry specifications for left-hand thread fasteners, supporting consistent performance in industrial applications.
