S-95235A626 1/2"-13 x 3/4" 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
- Superior vibration resistance through nylon patch thread locking that maintains secure fastening in high-stress environments
- Exceptional durability and wear resistance thanks to Rockwell C45 hardness rating for extended service life
- Precise installation and reliable grip with extended tip design that provides enhanced contact surface
- Optimal thread engagement with Class 3A external thread fit ensuring tight tolerances and reduced backlash
- High-temperature performance with nylon patch locker rated up to 250°F for demanding industrial conditions
- Easy installation and removal using standard 1/4" hex drive for efficient maintenance operations
- Industry-standard compatibility with UNC coarse thread profile for reliable interchangeability
Professional Applications & Engineering Value
This alloy steel set screw with nylon patch locking technology addresses critical vibration-induced loosening challenges in industrial machinery, power transmission systems, and precision equipment. The UNC coarse thread configuration combined with Class 3A thread fit provides superior holding power while accommodating minor misalignments. The extended tip design creates increased surface contact for enhanced grip on shafts, collars, and pulleys. Engineered for high-temperature applications up to 250°F, this fastener maintains locking integrity in demanding environments where thermal cycling and mechanical stress would compromise ordinary fasteners. The Rockwell C45 hardness ensures the screw withstands repeated installation cycles without deformation, making it ideal for maintenance-intensive operations.
Specification Summary & Compliance
This set screw features Class 3A external thread fit with 1/2"-13 UNC coarse thread specifications, manufactured to ASME B18.3 standards (ASTM F912). The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant (06/14/2023, 235 SVHC), meeting international environmental regulations. Critical dimensions include 3/4" length, 1/4" hex drive, and extended tip with diameter of 0.344" (-0.01" to 0" tolerance) and length of 0.13" (-0.01" to 0" tolerance).
