S-91829A720 0-80 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, ideal for harsh industrial environments.
- Precise component alignment ensured by the 1/16" shoulder with tight diameter and length tolerances.
- Reliable fine-thread engagement with 0-80 UNF threads and Class 2A fit for secure fastening in delicate assemblies.
- Easy installation and removal using standard slotted drive tools, compatible with common workshop equipment.
- Environmental regulation compliance meeting RoHS 3 and REACH standards for safe, sustainable use.
- Durable right-hand thread design providing consistent performance in repetitive assembly applications.
- Smooth socket head profile allowing flush mounting and reducing snagging in compact spaces.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address critical alignment challenges in precision machinery, automation systems, and electronic enclosures. The 0-80 UNF fine thread and Class 2A thread fit deliver vibration-resistant fastening, while the precisely machined shoulder maintains accurate component positioning without additional bushings. Its corrosion-resistant material and RoHS/REACH compliance make it suitable for medical devices, optical equipment, and food processing machinery where hygiene and durability are paramount. The combination of socket head design and right-hand threads ensures quick maintenance and reliable performance in high-cycle applications.
Specification Summary & Compliance
This shoulder screw features a 0-80 UNF fine thread with Class 2A thread fit per unified screw thread standards, ensuring dimensional accuracy. The shoulder diameter is 0.0615" with a tolerance of -0.002" to 0", and shoulder length is 1/16" with a tolerance of -0.004" to 0" for precise assembly. It is manufactured from 18-8 stainless steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for restricted substance-controlled environments.
