S-97345A276 3-48 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 316 stainless steel construction, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high stress.
- Precise assembly alignment ensured by the Class 3A thread fit and standard shoulder, reducing installation errors.
- Secure and easy installation with a 5/64" hex socket drive and knurled head for improved grip and torque application.
- Versatile coarse UNC threading (3-48) provides quick engagement and robust holding power in various materials.
- Consistent dimensional accuracy with tight shoulder diameter and length tolerances for repeatable fit in precision machinery.
- Compliance with global standards including RoHS 3 and REACH, ensuring environmental and safety regulations are met.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in industrial assemblies where alignment, strength, and corrosion resistance are paramount. The UNC coarse thread and Class 3A fit ensure rapid, secure fastening in applications like precision machinery, automotive components, and electronic enclosures, minimizing the risk of cross-threading and vibration-induced loosening. The 1/2" shoulder length provides a stable pivot or spacer, maintaining precise part alignment under dynamic loads. With a knurled head and hex socket drive, it offers easy installation in confined spaces, while the high tensile and shear strengths support demanding operational stresses, reducing maintenance needs and downtime in corrosive or high-load environments.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A precision fit for tight tolerances. Key dimensions include a thread size of 3-48, shoulder diameter of 1/8" (tolerance: -0.004" to -0.002"), and shoulder length of 1/2" (tolerance: -0.005" to 0.005"). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
