S-8077A451 10-24 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure
• Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance and reduced maintenance
• Precise alignment and secure positioning with a Class 3A thread fit and standard shoulder fit, minimizing assembly play and vibration loosening
• High-strength performance under load with 70,000 psi tensile strength and 35,000 psi shear strength, ensuring reliability in demanding applications
• Easy installation and removal using a hex drive (1/8") and knurled head for improved grip, reducing tool slippage and assembly time
• Broad compatibility and interchangeability with UNC coarse threading and compliance to ASME B18.3 standards, facilitating seamless integration
• Environmental and regulatory safety with RoHS 3 and REACH compliance, meeting global standards for restricted substances

Professional Applications & Engineering Value

This 10-24 UNC shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty equipment. The 316 stainless steel material offers exceptional resistance to corrosion and high temperatures, making it suitable for marine, chemical processing, and outdoor applications where moisture and chemicals are prevalent. The black oxide finish not only enhances aesthetic appeal but also adds a protective layer that reduces friction and prevents galling during repeated use. With a 3/4" shoulder length and precise tolerances, it provides stable support for rotating components like bearings, pulleys, and linkages, minimizing misalignment and wear. The Class 3A thread fit and coarse threading ensure quick assembly and reliable holding power, reducing downtime in production lines. Ideal for industrial applications requiring high strength and durability, this screw delivers consistent performance in assembly jigs, conveyor systems, and robotic arms, where precision and reliability are paramount.

Specification Summary & Compliance

This shoulder screw adheres to tight dimensional tolerances, including a Class 3A thread fit for superior accuracy and a shoulder diameter tolerance of -0.004" to -0.002". It conforms to UNC coarse threading standards with a thread size of 10-24 and is manufactured in accordance with ASME B18.3 specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.