S-98014A644 M8 x 38 mm 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
- Effortless hand-tightening with a 29mm knurled head for superior grip in tight spaces or when tools are unavailable
- Exceptional corrosion resistance provided by 18-8 Stainless Steel, ensuring long-term reliability in harsh environments
- High mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for durable, load-bearing applications
- Reliable and precise fastening with a Class 6g thread fit and M8x1.25mm coarse thread for quick assembly and vibration resistance
- Secure partial threading with a 31mm threaded length and extended tip for controlled engagement and alignment
- Low-profile round head design minimizes protrusion for use in confined spaces while maintaining easy manual operation
- Compliance with environmental and safety standards including RoHS 3 and REACH for use in regulated industries
Professional Applications & Engineering Value
This M8 thumb screw is engineered to solve critical assembly challenges where tool-less operation and corrosion resistance are paramount. The 18-8 Stainless Steel construction ensures it withstands moisture, chemicals, and outdoor exposure, making it ideal for industrial equipment, electronic enclosures, and machinery panels. The knurled head offers a non-slip surface, enabling quick adjustments and secure fastening even with gloved hands. Its coarse thread and Class 6g tolerance provide reliable engagement in softer materials or pre-tapped holes, reducing cross-threading risks. The low-profile round head and partial threading allow for precise depth control, preventing over-tightening and protecting sensitive components. These features make it a go-to solution for maintenance, prototyping, and applications requiring frequent access.
Specification Summary & Compliance
This thumb screw adheres to Metric standards with an M8x1.25mm coarse thread and Class 6g thread fit for dimensional accuracy. It is manufactured from 18-8 Stainless Steel and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety requirements for industrial use.
