S-99607A276 M4 x 10 mm Thumb Screws

Key Features & Benefits at a Glance

• Effortless manual tightening and loosening with a knurled round head design for superior grip, even with gloves or oily hands.
• Excellent corrosion resistance in demanding environments due to its durable 18-8 Stainless Steel construction.
• Reliable, high-strength performance with a tensile strength of 80,000 psi and a Rockwell B85 hardness for long-term durability.
• Precise and secure fit ensured by the Class 6g thread tolerance, providing consistent engagement in coarse-threaded applications.
• Versatile, tool-free fastening solution with a fully threaded M4 x 0.7 mm shank for quick adjustments in various assemblies.
• Enhanced stability and alignment from the flared collar design, which helps distribute load and prevents over-tightening.
• Safe for use in regulated industries as it is fully compliant with RoHS 3 and REACH environmental standards.

Professional Applications & Engineering Value

This M4 thumb screw is engineered to solve common industrial challenges where tool-free access and frequent adjustments are required. The 18-8 Stainless Steel material provides exceptional resistance to rust and corrosion, making it ideal for use in humid, chemical, or outdoor environments such as electrical enclosures, machinery guards, and assembly jigs. The knurled head offers a non-slip surface, enabling quick manual operation without the need for specialized tools, which reduces maintenance time and increases operational efficiency. Its fully threaded metric coarse thread (0.7 mm pitch) ensures rapid installation and a secure hold in softer materials or pre-tapped holes, while the flared collar adds structural support to prevent damage to sensitive surfaces. This combination of features delivers reliable performance in industrial applications requiring robust, user-friendly fastening solutions.

Specification Summary & Compliance

This thumb screw features a Class 6g thread fit per metric standards, ensuring precise dimensional accuracy and interchangeability. The manufacturing adheres to standard metric thread specifications (M4 x 0.7 mm, right-hand, coarse spacing) with a length of 10 mm. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in products requiring strict environmental and safety standards.