S-92012A519 4-40 Shoulder Screws
Shoulder Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional tensile strength of 140,000 psi ensures reliable performance in high-stress industrial applications, reducing the risk of fastener failure.
- Black oxide finish provides corrosion resistance and a sleek appearance, extending the screw's lifespan in various operating environments.
- Precise shoulder fit with minimal tolerances ensures accurate alignment and secure positioning in assemblies, minimizing vibration and wear.
- Alloy steel construction with Rockwell C32 hardness offers superior durability and resistance to deformation under load.
- 5/64" hex drive socket head allows for easy installation and removal with standard tools, improving assembly efficiency.
- Class 2A thread fit with UNC coarse threads facilitates quick assembly and disassembly while maintaining secure fastening.
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global industrial use.
Professional Applications & Engineering Value
This 4-40 UNC shoulder screw is engineered to address critical alignment and durability challenges in precision machinery. The alloy steel material, combined with a black oxide finish, provides excellent resistance to corrosion and wear, making it ideal for automotive, aerospace, and electronic assembly applications. The precise shoulder diameter and length ensure accurate component positioning, reducing misalignment and enhancing operational stability. With a coarse thread design and right-hand thread direction, it offers efficient installation in high-volume production environments. The socket head with hex drive allows for secure torque application, minimizing strip-out risks and maintenance downtime.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. The shoulder diameter is 1/8" with a tolerance of -0.001" to 0", and the shoulder length is 3/8" with a tolerance of 0" to 0.002", ensuring precise engineering fit. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for regulated industrial and commercial applications.
