S-92949A894 1-72 x 1/2" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 environments
- Exceptional thread precision with Class 3A fit and UNF fine threads ensuring reliable, vibration-resistant connections
- High tensile strength of 70,000 psi provides dependable load-bearing capacity in demanding applications
- Convenient hex drive (0.050") allows for easy installation and removal with standard tools
- Rounded button head design offers a low-profile, snag-resistant finish for improved safety and aesthetics
- Full threading along the 1/2" length ensures maximum grip and uniform stress distribution
- Compliance with ASME B18.3 and environmental standards (RoHS/REACH) guarantees quality and regulatory adherence
Professional Applications & Engineering Value
This 1-72 UNF fine thread rounded head screw is engineered to address critical challenges in precision assemblies where space constraints and corrosion are concerns. Made from 18-8 Stainless Steel with a passivated finish, it resists oxidation and chemical exposure, extending service life in electronics, aerospace, and medical devices. The Class 3A thread fit and fine threading provide superior clamp load retention and vibration resistance, preventing loosening in dynamic environments. Its hex drive and rounded button head facilitate easy access in tight spaces while maintaining a sleek profile. Ideal for securing sensitive components, this screw ensures reliability in industrial fasteners applications demanding high strength and dimensional accuracy.
Specification Summary & Compliance
This screw features a 1-72 UNF fine thread with Class 3A fit for precise tolerance, fully threaded along a 1/2" length. It meets ASME B18.3 specifications for dimensional consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use in global markets.
