S-97345A498 10-32 ASME B18.3 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 316 stainless steel construction for extended service life in harsh environments
- Precise alignment and smooth rotation with Class 3A thread fit ensuring tight tolerances and minimal backlash
- Enhanced grip and tool engagement through knurled socket head design preventing slippage during installation
- High mechanical strength with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Accurate component positioning with 1/4" shoulder diameter and 1-3/8" shoulder length providing stable bearing surfaces
- Reliable fastening performance with UNF fine threads offering superior vibration resistance
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global industrial use
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw delivers exceptional engineering value in precision assemblies requiring exact alignment and corrosion resistance. The Class 3A thread fit and UNF fine threading provide superior vibration resistance in dynamic applications such as rotating machinery, automation equipment, and precision instruments. The knurled socket head ensures secure tool engagement during installation, while the precisely machined shoulder serves as a reliable locating surface for bearings, gears, and other rotating components. With 70,000 psi tensile strength and full compliance with ASME B18.3 specifications, this shoulder screw solves critical alignment and durability challenges in industrial settings where precision and reliability are paramount.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit precision and ASME B18.3 specifications. Features include 10-32 UNF fine threads, 1/4" shoulder diameter with -0.004" to -0.002" tolerance, and 1-3/8" shoulder length with -0.005" to 0.005" tolerance. The 316 stainless steel construction provides Rockwell B79 hardness and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety in industrial applications.
