S-92012A511 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
- Enhanced corrosion resistance with black oxide finish for reliable performance in demanding industrial environments
- Superior strength and durability from alloy steel construction with 140,000 psi tensile strength and Rockwell C32 hardness
- Precise component alignment through controlled shoulder diameter and length tolerances for accurate assembly
- Secure hex socket drive with 5/64" drive size providing excellent torque transmission and reduced stripping risk
- Reliable thread engagement with Class 2A UNC coarse threads ensuring consistent fastening performance
- Optimized for tight spaces featuring compact 0.25" head diameter and standard socket head profile
- Compliance assurance meeting RoHS 3 and REACH environmental regulations for global industrial applications
Professional Applications & Engineering Value
This 4-40 UNC shoulder screw delivers exceptional engineering value in precision assembly applications where component alignment and corrosion resistance are critical. The alloy steel construction with black oxide finish provides superior protection against environmental factors while maintaining the 140,000 psi tensile strength required for high-stress applications. The precisely controlled shoulder diameter (1/8") and length tolerances ensure accurate positioning of moving parts in machinery, bearings, and linkages. The hex socket head design allows for efficient installation in confined spaces, while the Class 2A thread fit with coarse thread spacing ensures reliable engagement in various materials. These shoulder screws are engineered to solve alignment challenges in automotive, aerospace, and industrial equipment where precision and durability are paramount.
Specification Summary & Compliance
This precision fastener features Class 2A thread fit per UNC standards with precise shoulder diameter tolerance (-0.001" to 0") and shoulder length tolerance (0" to 0.002"). Manufactured to exacting specifications including 5/32" thread length, 1/8" shoulder length, and 0.25" head diameter. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material compliance.
