S-90298A548 10-24 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Precise component alignment through controlled shoulder diameter (±0.001") and length (±0.005") tolerances for reliable assembly
- High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Secure fastening engagement with Class 3A thread fit and UNC coarse threads providing vibration resistance
- Easy installation and removal featuring hex socket drive and knurled head for superior grip during tool operation
- Industry standard compliance meeting ASME B18.3 specifications for consistent quality and interchangeability
- Environmental regulation adherence with RoHS 3 and REACH compliance for global market acceptance
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw delivers exceptional engineering value in precision applications where component alignment and rotational stability are critical. The 3/8" shoulder length with tight diameter and length tolerances ensures precise bearing surfaces and pivot points in machinery assemblies, while the 10-24 UNC coarse thread with Class 3A fit provides secure fastening in high-vibration environments. The passivated finish enhances corrosion resistance in manufacturing, automation, and industrial equipment applications. The combination of 70,000 psi tensile strength and Rockwell B55 hardness makes this socket head shoulder screw ideal for pivoting mechanisms, rotating assemblies, and precision guiding systems where dimensional accuracy and durability are paramount.
Specification Summary & Compliance
Manufactured to exacting standards with Class 3A thread fit and UNC thread form ensuring precise engagement. Shoulder dimensions maintain tight tolerances: diameter (-0.001" to 0.001") and length (-0.005" to 0.005"). Fully compliant with ASME B18.3 specifications for dimensional consistency and performance. Meets environmental standards including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) requirements for hazardous substance restrictions.
