S-90298A540 10-24 ASME B18.3 Shoulder Screws
Shoulder 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 and passivated finish, ideal for harsh industrial environments.
- Precise alignment and smooth rotation ensured by the 3/4" shoulder with tight diameter and length tolerances for reliable mechanical assemblies.
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness, providing dependable load-bearing capacity.
- Secure and repeatable fastening through Class 3A thread fit and 10-24 UNC coarse thread, minimizing loosening under vibration.
- Easy installation and removal with hex socket drive and knurled head, allowing for efficient tool engagement and handling.
- Compliance with industry standards including ASME B18.3, ensuring consistent quality and interchangeability in professional applications.
- Environmental and safety adherence with RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in industrial and mechanical assemblies. The 10-24 UNC coarse thread with Class 3A fit provides secure fastening in high-vibration settings, while the precisely machined 3/4" shoulder length ensures accurate component positioning, reducing wear and misalignment. The passivated finish enhances corrosion resistance, extending service life in demanding conditions. Ideal for machinery, automation systems, and precision equipment, this socket head shoulder screw delivers reliable performance, minimizing maintenance and downtime in B2B applications.
Specification Summary & Compliance
This shoulder screw adheres to ASME B18.3 specifications, with a Class 3A thread fit for high precision. Dimensions include a shoulder diameter of 1/4" (tolerance: -0.001" to 0.001") and shoulder length of 3/4" (tolerance: -0.005" to 0.005"). It is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety standards for industrial use.
