S-92202A324 1/4"-20 x 1 1/4" Left-Hand Threaded 18-8 Stainless Steel Socket Head Screws
Left-Hand Threaded 18-8 Stainless Steel Socket 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
- Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
- Precise, reliable engagement through Class 3A thread fit, ensuring tight tolerances and reduced risk of loosening.
- High tensile strength of 70,000 PSI provides superior load-bearing capacity for demanding applications.
- Left-hand threading offers secure fastening in situations where standard right-hand threads may loosen under counter-clockwise rotation.
- Durable Rockwell B70 hardness maintains structural integrity and resists wear over extended use.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and material reliability.
- Standard hex drive design allows for easy installation and removal with common tools.
Professional Applications & Engineering Value
This left-hand thread socket head cap screw is engineered to address critical challenges in machinery and equipment where reverse rotational forces are present. Its 18-8 stainless steel composition delivers excellent corrosion resistance, reducing maintenance needs in humid or chemically aggressive settings. The UNC coarse threading and Class 3A fit provide superior thread engagement, minimizing the risk of vibration-induced loosening in high-stress assemblies such as rotating shafts, conveyor systems, and specialized tooling. The combination of 70,000 PSI tensile strength and Rockwell B70 hardness ensures long-term performance, making it a reliable choice for aerospace, automotive, and heavy industrial applications requiring dependable left-hand fastening solutions.
Specification Summary & Compliance
This socket head cap screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for optimal tolerance control. Manufactured to inch system specifications, it includes a 1/4"-20 thread size and 1 1/4" length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.
