S-98704A615 1/4"-20 x 5/8" Thumb Screws
Thumb 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
- Enhanced Grip and Durability: Knurled acetal plastic head provides superior hand-tightening control, reducing slippage and wear in frequent adjustments.
- Corrosion Resistance: Made from 18-8 stainless steel, offering excellent protection against rust and corrosion in various industrial environments.
- Precise Thread Engagement: Class 3A thread fit with UNC coarse threads ensures tight, reliable fastening and quick assembly without cross-threading.
- Tool and Hand Operation Flexibility: Integrated 3/16" hex drive allows for both manual tightening and tool-assisted torque, increasing application versatility.
- Wide Temperature Tolerance: Operates reliably in temperatures from 32° to 180°F, suitable for indoor and mild outdoor conditions.
- Low-Profile Design: Round head with low profile minimizes protrusion, ideal for space-constrained assemblies while maintaining easy access.
- Environmental Compliance: RoHS 3 and REACH compliant, ensuring safe use in regulated industries and reducing environmental impact.
Professional Applications & Engineering Value
This 1/4"-20 thumb screw combines 18-8 stainless steel with a knurled acetal plastic head to address common industrial challenges like frequent adjustments and corrosion in machinery, electronics, and panel assemblies. The fully threaded UNC coarse thread and Class 3A fit provide secure, vibration-resistant connections, reducing maintenance downtime. Its hex drive and ergonomic head enable quick installation without specialized tools, streamlining production lines. Ideal for applications requiring hand-tightened security, such as access panels and equipment covers, this screw ensures durability and efficiency in industrial thumb screw uses, from manufacturing to consumer electronics.
Specification Summary & Compliance
This thumb screw features precise UNC coarse threads with a Class 3A thread fit for high accuracy and reliability. It adheres to standard inch measurements, including a thread size of 1/4"-20 and length of 5/8". Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications.
