S-92625A209 M4 x 20 mm DIN 316 Thumb Screws

Key Features & Benefits at a Glance

• Tool-free installation and adjustment with a comfortable 23mm wing head design for quick manual operation without tools
• Superior corrosion resistance from 18-8 stainless steel construction, ideal for humid or demanding industrial environments
• Reliable thread engagement with Class 6g coarse pitch threads ensuring secure fastening and reduced cross-threading risk
• Full-length threading provides consistent grip along the entire 20mm length for versatile mounting depths
• Precision dimensional compliance to DIN 316 standards guarantees interchangeability and fit in metric assemblies
• Environmentally safe usage with RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances
• Durable right-hand thread design offers standardized directional tightening for maintenance and assembly efficiency

Professional Applications & Engineering Value

This M4 thumb screw delivers exceptional value in applications requiring frequent access or adjustment, such as electrical enclosures, machinery panels, and prototyping fixtures. The 18-8 stainless steel material resists oxidation and chemical exposure, extending service life in industrial settings. Its wing head enables rapid, tool-free operation, reducing downtime during maintenance. The coarse thread pitch and Class 6g thread fit ensure quick alignment and robust holding power, minimizing the risk of stripping in soft materials or repeated use cycles. Fully threaded along its 20mm length, it accommodates varying material thicknesses while maintaining consistent clamping force, making it a versatile choice for OEM and MRO fastener inventories.

Specification Summary & Compliance

This thumb screw adheres to DIN 316 specifications for dimensional accuracy, with an M4 x 0.7mm coarse metric thread and Class 6g thread fit tolerance. The wing head measures 23mm in width and 11.5mm in height, with a head diameter tolerance of -2mm to 0mm. It is fully threaded with a right-hand thread direction. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from restricted hazardous substances for safe industrial use.