S-97381A102 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 strength-to-weight ratio with 40,000 psi tensile and 20,000 psi shear strength for reliable performance in demanding applications
- Precision Class 3A thread fit ensures tight tolerances and secure fastening in high-vibration environments
- Knurled socket head with 5/64" hex drive provides superior grip and prevents tool slippage during installation
- 6061 aluminum construction offers excellent corrosion resistance while maintaining lightweight properties
- Standard UNC coarse threading enables quick assembly and disassembly in industrial settings
- RoHS 3 and REACH compliance meets international environmental standards for safe usage
- Right-hand thread design with consistent shoulder dimensions ensures proper alignment in machinery applications
Professional Applications & Engineering Value
This 6061 aluminum shoulder screw delivers exceptional engineering value in precision assembly applications where weight reduction and corrosion resistance are critical. The Class 3A thread fit provides superior engagement in threaded components, minimizing backlash in rotating machinery, conveyor systems, and automated equipment. The knurled socket head with 5/64" hex drive ensures secure tool engagement, reducing installation errors in high-volume production environments. The UNC coarse thread design facilitates rapid assembly in manufacturing lines while the consistent shoulder diameter maintains precise component spacing in bearings, gears, and pivoting mechanisms. Ideal for aerospace components, electronic enclosures, and medical devices requiring lightweight aluminum fasteners with reliable mechanical properties.
Specification Summary & Compliance
This shoulder screw features precision 4-40 UNC coarse threads with Class 3A fit tolerance, ensuring exact thread engagement. The shoulder maintains tight dimensional control with diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". Manufactured from 6061 aluminum with right-hand threading and standard shoulder fit. Compliant with RoHS 3 (2015/863/EU) under exemption 6(b)-II and REACH (EC 1907/2006) regulations, meeting international environmental standards for industrial applications.
