S-94361A342 5/16"-24 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity: With a tensile strength of 140,000 PSI and Rockwell C32 hardness, this screw reliably handles high-stress applications without failure.
• Superior Corrosion Resistance: The black oxide finish provides durable protection against rust and wear, extending service life in harsh industrial environments.
• Precision Thread Fit: Class 3A UNF fine threads ensure tight, secure fastening with minimal backlash, ideal for precision assemblies.
• Secure Grip and Easy Installation: The knurled socket head with 3/16" hex drive allows for firm tool engagement and straightforward installation, reducing assembly time.
• Accurate Shoulder Alignment: Features a 3/8" diameter shoulder with tight tolerances for precise component positioning and reduced vibration.
• Compliance with Environmental Standards: Meets RoHS 3 and REACH regulations, ensuring safe use in global markets and eco-conscious industries.
• Versatile Material Strength: Made from alloy steel, it offers excellent durability and fatigue resistance for repeated use in demanding applications.

Professional Applications & Engineering Value

This alloy steel shoulder screw is engineered to address common industrial challenges such as misalignment and component wear. The 5/16"-24 UNF fine threads with Class 3A fit provide superior clamping force and vibration resistance, making it ideal for precision machinery, automotive assemblies, and heavy-duty equipment. The black oxide finish enhances corrosion resistance, prolonging lifespan in humid or abrasive conditions. With a 3/8" shoulder diameter and precise tolerances, it ensures accurate alignment in pivots, bearings, and linkages, reducing maintenance needs and improving overall system reliability. Its high 140,000 PSI tensile strength and Rockwell C32 hardness make it a dependable choice for applications requiring maximum performance and durability.

Specification Summary & Compliance

This shoulder screw adheres to UNF thread standards with a Class 3A thread fit for high precision. Dimensions include a shoulder diameter of 3/8" (tolerance: -0.004" to -0.002") and shoulder length of 13/16" (tolerance: -0.005" to 0.005"), ensuring consistent performance. It is manufactured to meet RoHS 3 (2015/863/EU) with exemption 6(a) and REACH (EC 1907/2006) compliance, confirming its suitability for industrial use without hazardous substances.