S-91273A692 5/8"-11 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 and black oxide finish, ideal for harsh industrial environments.
- Enhanced durability and strength offering 70,000 psi tensile strength and 35,000 psi shear strength for heavy-duty applications.
- Precise alignment and smooth rotation due to the standard shoulder fit and knurled head for secure handling.
- Easy installation and removal with a 5/16" hex drive and right-hand UNC coarse threads for efficient assembly.
- Reliable thread performance ensured by Class 2A thread fit, reducing the risk of cross-threading and loosening.
- Consistent dimensional accuracy with tight shoulder diameter and length tolerances for stable mounting in machinery.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.
Professional Applications & Engineering Value
This 5/8"-11 UNC shoulder screw is engineered to address critical challenges in industrial assemblies, such as maintaining precise component alignment and resisting high mechanical stresses. The 18-8 stainless steel construction, combined with a black oxide finish, provides excellent corrosion resistance, extending service life in demanding environments like automotive, aerospace, and heavy machinery. The 1-3/4" shoulder length and standard shoulder fit allow for accurate positioning of moving parts, reducing wear and vibration. With a Rockwell B55 hardness and robust thread design, it ensures reliable performance in applications requiring high tensile and shear strength, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This shoulder screw features a Class 2A thread fit with UNC coarse threads for secure fastening. Dimensions include a shoulder diameter of 5/8" with a tolerance of -0.004" to -0.002" and a shoulder length of 1-3/4" with a tolerance of -0.005" to 0.005", ensuring precision in manufacturing. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and industry standards for reliable use in various engineering applications.
