S-97345A606 1/4"-20 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, ideal for harsh environments and extended service life.
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for demanding, high-stress applications.
- Precise and secure fit ensured by Class 3A thread fit, minimizing backlash and improving assembly reliability.
- Easy installation and removal with a hex socket drive and knurled head for superior grip and torque application.
- Durable and wear-resistant material with Rockwell B79 hardness, maintaining integrity under repeated use.
- Broad compatibility with 1/4"-20 UNC coarse threads, conforming to ASME B18.3 standards for consistent performance.
- Environmentally compliant design meeting RoHS 3 and REACH regulations, safe for various industrial sectors.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and heavy-duty equipment. Its Class 3A thread fit and UNC coarse threads provide a secure, vibration-resistant connection, reducing the risk of loosening in dynamic environments. The knurled head and hex socket drive facilitate easy handling and high-torque installation, speeding up assembly while minimizing tool slip. With a 3/4" thread length and robust shoulder design, it offers reliable alignment and load-bearing support in pivots, linkages, and rotating assemblies, ensuring long-term performance in industrial applications where corrosion resistance and high strength are paramount.
Specification Summary & Compliance
This shoulder screw features a 1/4"-20 UNC thread with Class 3A fit for precise dimensional accuracy, and a shoulder diameter tolerance of -0.004" to -0.002". Manufactured in compliance with ASME B18.3 standards, it ensures consistent quality and interchangeability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for global industrial use.
