S-96016A556 M3 x 20 mm 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
- Superior grip and torque application with knurled acetal plastic head for tool-free operation in tight spaces
- Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in demanding industrial environments
- Low-profile round head design provides clearance in confined assemblies while maintaining easy manual adjustment
- Precision Class 4g6g thread fit guarantees consistent engagement and reliable fastening performance
- Fully threaded M3 x 0.5 mm coarse pitch enables quick installation and secure holding power
- Wide temperature compatibility with head operating range from 32° to 180°F for diverse application requirements
- Environmental compliance assurance meeting RoHS 3 and REACH standards for sustainable manufacturing
Professional Applications & Engineering Value
This low-profile knurled thumb screw combines the corrosion resistance of 18-8 stainless steel with the excellent grip properties of an acetal plastic head, making it ideal for frequent-adjustment applications in electronics, instrumentation, and machinery. The metric M3 x 0.5 mm coarse thread with Class 4g6g fit ensures rapid installation without compromising thread integrity, while the fully threaded right-hand design provides consistent clamping force along the entire 20 mm length. Engineers value this thumb screw for eliminating tool requirements in space-constrained assemblies, reducing maintenance downtime, and providing reliable performance in industrial environments where manual adjustments are regularly required.
Specification Summary & Compliance
This thumb screw features precision Metric M3 x 0.5 mm coarse threads with Class 4g6g thread fit tolerance, ensuring consistent mating with standard metric nuts and threaded components. The fully threaded 20 mm length provides complete engagement capability, while the right-hand thread direction follows conventional assembly practices. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making these screws suitable for regulated industries and international supply chains.
