S-90287A848 1/4"-20 x 3/8" Tamper-Resistant One-Way-Drive Steel Round Head Screws
Tamper-Resistant One-Way-Drive Steel Round Head 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
- Exceptional tensile strength of 60,000 PSI ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc-plated steel construction provides excellent corrosion resistance, extending service life in various industrial environments.
- UNC coarse thread design offers faster installation and superior grip in softer materials, improving assembly efficiency.
- Fully threaded shank allows for maximum engagement along the entire length, enhancing holding power and stability.
- Class 2A thread fit ensures consistent, reliable mating with standard nuts and tapped holes, minimizing assembly issues.
- Rounded head profile delivers a smooth, finished appearance and reduces the risk of snagging on equipment or materials.
- Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets international standards for industrial use.
Professional Applications & Engineering Value
This zinc-plated steel rounded head screw is engineered to address common industrial challenges such as corrosion and mechanical stress. The UNC coarse thread and fully threaded design provide rapid installation and robust fastening in machinery, automotive assemblies, and construction projects where vibration resistance is critical. The 60,000 PSI tensile strength ensures durability under heavy loads, while the zinc plating protects against rust in humid or outdoor settings. Ideal for industrial fastening applications requiring a balance of strength, compliance, and ease of use, this screw minimizes maintenance needs and enhances operational reliability.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and adheres to UNC coarse thread standards for consistent performance. Dimensions include a 1/4"-20 thread size and 3/8" length with a rounded head design. It 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.
