S-97345A148 8-32 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.
- Precise component alignment ensured by the consistent 1 1/4" shoulder length with tight tolerances for reliable assembly.
- High-strength performance with 70,000 psi tensile and 35,000 psi shear strength, providing dependable load-bearing capacity.
- Secure, tamper-resistant fastening via the 3/32" hex socket drive and knurled head for improved grip during installation.
- Accurate and durable thread engagement with Class 3A fit UNC coarse threads, reducing the risk of cross-threading and stripping.
- Compliance with stringent environmental regulations, including RoHS 3 and REACH, ensuring safe and sustainable use.
- Rockwell B79 hardness for excellent wear resistance and durability under mechanical stress.
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly jigs where alignment and corrosion resistance are paramount. The UNC coarse thread with Class 3A fit ensures quick, reliable fastening with minimal risk of thread damage, while the knurled hex socket head allows for secure tool engagement in confined spaces. The robust shoulder diameter and length provide a stable pivot or bearing surface, reducing wear on mating components and maintaining precise part positioning. Ideal for applications in medical devices, optical equipment, and food processing machinery, this screw delivers long-term reliability and compliance with industry standards, minimizing downtime and maintenance costs.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Key dimensional tolerances include a shoulder diameter of 7/32" (tolerance: -0.004" to -0.002") and shoulder length of 1 1/4" (tolerance: -0.005" to 0.005"). The product is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use.
