S-93615A111 4-40 x 3/8" 18-8 Stainless Steel Low-Profile Socket Head Screws
18-8 Stainless Steel Low-Profile 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- High tensile strength of 70,000 psi ensures secure fastening under heavy loads, reducing the risk of failure.
- Precise Class 3A thread fit provides tighter tolerances for improved assembly accuracy and vibration resistance.
- Low-profile socket head design saves space in compact assemblies while allowing easy access with a hex key.
- Full threading along the 3/8" length offers maximum grip and adjustability in various material thicknesses.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.
- Coarse UNC thread pattern enables quick installation and reduced cross-threading in industrial applications.
Professional Applications & Engineering Value
This 4-40 UNC low socket head cap screw is engineered to address critical challenges in precision assemblies, such as equipment vibration, space constraints, and exposure to corrosive elements. Made from 18-8 stainless steel, it provides excellent durability and corrosion resistance, making it suitable for aerospace, electronics, and machinery where reliability is paramount. The Class 3A thread fit and coarse thread design ensure fast, secure engagement, minimizing installation errors and maintenance downtime. Its low-profile head and hex drive allow for efficient torque application in tight spaces, enhancing overall assembly efficiency and product lifespan.
Specification Summary & Compliance
This fastener features a 4-40 UNC coarse thread with Class 3A fit for high precision, a length of 3/8", and a tensile strength of 70,000 psi. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring adherence to environmental and safety regulations. The fully threaded design and right-hand thread direction support consistent performance in industrial fastening applications.
