S-97008A618 1/4"-20 x 1 1/4" Thumb Screws
Thumb Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Easy hand-tightening without tools thanks to the spade head design, reducing assembly time and increasing efficiency in maintenance or quick-adjustment scenarios.
- Enhanced durability and corrosion resistance from zinc-plated steel, ensuring reliable performance in various industrial environments.
- Superior grip and stability with a flanged head that distributes pressure evenly, minimizing surface damage and loosening under vibration.
- High tensile strength of 40,000 psi provides secure fastening for heavy-duty applications, reducing the risk of failure under stress.
- Precise Class 2A thread fit ensures smooth installation and compatibility with standard UNC coarse threaded components, lowering rework rates.
- Fully threaded shank allows for adjustable engagement depth, offering flexibility in diverse mounting setups.
- RoHS 3 compliance guarantees environmental safety and meets regulatory standards for global supply chains.
Professional Applications & Engineering Value
This zinc-plated steel thumb screw is engineered to address common industrial challenges, such as the need for quick, tool-free fastening in equipment panels, machinery guards, and electronic enclosures. The flanged spade head design enhances grip and prevents over-tightening, reducing wear on components and improving operator safety. With a Rockwell B55 hardness and UNC coarse thread, it delivers consistent performance in high-vibration environments, ensuring secure connections without frequent adjustments. Ideal for industrial applications like assembly lines and maintenance tasks, this screw combines ease of use with robust tensile strength, making it a reliable choice for B2B procurement where efficiency and compliance are critical.
Specification Summary & Compliance
This thumb screw adheres to UNC thread standards with a Class 2A thread fit for precise dimensional accuracy, including a thread size of 1/4"-20 and coarse spacing. It meets RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances, and is manufactured from zinc-plated steel for consistent quality and durability in industrial use.
