S-91273A229 1/2"-13 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 for long-lasting performance in harsh environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
- Precision Class 2A thread fit provides smooth assembly and consistent engagement with mating components
- Knurled head texture offers enhanced grip for manual adjustments and secure handling during installation
- Hex socket drive design allows for high-torque installation in confined spaces with standard tools
- Dimensional stability with tight shoulder diameter and length tolerances ensures precise alignment in machinery
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and global market acceptance
Professional Applications & Engineering Value
This 1/2"-13 UNC shoulder screw delivers exceptional engineering value through its 18-8 stainless steel composition and precision manufacturing. The knurled head texture combined with the hex socket drive provides secure handling and high-torque capability, making it ideal for assembly lines where space constraints exist. The Class 2A thread fit ensures consistent performance in rotating machinery, pivot points, and precision alignment applications. With a 70,000 psi tensile strength and Rockwell B55 hardness, this shoulder screw maintains structural integrity under dynamic loads and vibration, solving critical alignment and wear challenges in industrial equipment, automation systems, and manufacturing fixtures.
Specification Summary & Compliance
This shoulder screw features 1/2"-13 UNC coarse threads with Class 2A fit for standard industrial applications. Critical dimensions include 1/2" shoulder diameter (-0.004" to -0.002" tolerance) and 5/8" thread length. Manufactured to precise engineering standards with 1/4" hex drive and 3/4" head diameter. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
