S-91829A780 0-80 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Precise component alignment ensured by the accurate 1/2" shoulder length with tight tolerance for stable positioning.
• Reliable fastening in fine-thread applications due to the 0-80 UNF thread and Class 2A fit, reducing the risk of loosening.
• Easy installation and removal with the combination of socket and slotted drive styles for versatile tool use.
• Consistent dimensional accuracy from the precise shoulder diameter and length tolerances, minimizing assembly errors.
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
• Durable performance in right-hand thread systems designed for standard industrial applications requiring fine threading.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address critical alignment and fastening challenges in industries like aerospace, electronics, and machinery. The 18-8 Stainless Steel material provides excellent corrosion resistance, reducing maintenance needs in humid or corrosive settings. With a Class 2A thread fit and fine UNF threads, it offers secure, vibration-resistant connections in compact assemblies. The 1/2" shoulder length and precise tolerances allow for exact positioning of components, such as gears or bearings, minimizing wear and improving operational efficiency. Its socket head with slotted drive ensures easy installation in tight spaces, making it a reliable choice for high-accuracy industrial applications where durability and compliance are paramount.

Specification Summary & Compliance

This shoulder screw adheres to Class 2A thread fit standards for consistent engagement and features a UNF fine thread (0-80 size) with right-hand direction. The shoulder diameter is 0.0615" with a tolerance of -0.002" to 0", and the shoulder length is 1/2" with a tolerance of -0.005" to 0", ensuring precise fits. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and use in global markets.