S-95235A553 3/8"-16 x 5/8" ASME B18.3, ASTM F912 Set Screws
Set 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
- Vibration-resistant locking with integrated nylon patch prevents loosening under dynamic loads and temperatures up to 250°F
- Precise component positioning enabled by the extended tip design (0.25" diameter) for accurate alignment in assemblies
- Superior thread engagement with Class 3A external thread fit ensures tight tolerances and reliable fastening in high-stress applications
- Exceptional durability from Rockwell C45 hardness alloy steel construction resisting wear and deformation
- Easy installation and removal with 3/16" hex drive providing secure tool engagement without head protrusion
- Industry-standard compatibility through UNC coarse 3/8"-16 thread design matching common industrial components
- Long-term reliability with corrosion-resistant alloy steel maintaining performance in demanding environments
Professional Applications & Engineering Value
This alloy steel set screw solves critical industrial fastening challenges where vibration resistance and precise positioning are paramount. The nylon patch thread locker creates permanent friction against loosening in machinery, automotive, and manufacturing equipment subjected to continuous operation. Its extended tip design provides positive location in pulley systems, couplings, and collars where component shift could cause operational failure. Manufactured to ASME B18.3 specifications with Class 3A thread fit, this hex headless fastener delivers consistent clamping force in high-torque applications while the UNC coarse thread enables rapid installation in production environments. The combination of Rockwell C45 hardness and temperature-resistant locking makes it ideal for permanent assemblies requiring maintenance-free performance.
Specification Summary & Compliance
This set screw features 3/8"-16 UNC coarse threads with Class 3A external thread fit for precision engagement. Dimensions include 5/8" length with extended tip (0.25" diameter, -0.009" to 0" tolerance). Manufactured from alloy steel with Rockwell C45 hardness and complies with ASME B18.3 specifications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards for industrial use.
