S-98676A340 M18 DIN 934 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and extending service life.
• High-strength thread fit with Class 6H tolerance ensures reliable, vibration-resistant connections in demanding applications.
• Coarse thread design (M18 x 2.5 mm pitch) allows for quicker assembly and reduced risk of cross-threading.
• Standard external hex profile provides easy installation and removal with common wrench tools.
• Compliance with DIN 934 standards guarantees dimensional accuracy and interchangeability in metric systems.
• RoHS 3 and REACH compliant for safe use in regulated industries, meeting environmental and health standards.
• Durable black-oxide finish enhances wear resistance and provides a professional, non-reflective appearance.

Professional Applications & Engineering Value

This M18 hex nut with coarse thread and Black-Oxide 18-8 Stainless Steel construction addresses critical needs in industrial settings where corrosion and high stress are concerns. The metric coarse thread (2.5 mm pitch) facilitates rapid installation in heavy machinery, structural frameworks, and automotive assemblies, minimizing assembly time while maintaining integrity. Its Class 6H thread fit ensures precise engagement with bolts, reducing loosening under vibration—common in manufacturing and construction. The black-oxide surface treatment not only boosts corrosion resistance but also withstands exposure to oils and moisture, making these DIN 934 hex nuts a reliable choice for outdoor and chemical processing applications, enhancing longevity and reducing maintenance costs.

Specification Summary & Compliance

This hex nut features an M18 thread size with a 2.5 mm coarse pitch and Class 6H thread fit per ISO metric standards, ensuring dimensional accuracy for secure fastening. It conforms to DIN 934 specifications for standard hex nuts, with a width of 27 mm and height of 15 mm. The product is manufactured from 18-8 stainless steel with a black-oxide finish and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting safe and environmentally responsible industrial use.