M4 M5 M6 M8 M10 Round Threaded Rod Coupling Nuts. You can select the size "Buy it now". There are a variety of sizes available but they are not all listed.
eBay
Material: Stainless Steel 304. Nut size: M3-M12. Good Good quality.
eBay
Standard: DIN1587. Material: A2 304 Stainless Steel. Product Strength: Grade 4.8.
eBay
Material: 304 Stainless Steel. There are a variety of sizes available but they are not all listed. You can select the size "Buy it now".
eBay
Robust Construction : Made from durable A2 stainless steel which is both robust and resistant to wear and corrosion. These nuts are perfect for various applications requiring precision and reliability.
eBay
Specification: DIN 934 / ISO 4032 / EN 4032 (Style 1). Size Range: Available in sizes from M3 to M10. Secure the best for your projects with our top-quality stainless steel hex nuts. Type: Hex Nut.
eBay
Nut size: M4 to M12. Material: Stainless Steel.
eBay
Sizes: M3 M4 M5 M6 M8 M10 1/4"-20. The products are made of high strength carbon steel, with high toughness, good cold and hot working performance and excellent machinability. Good quality.
eBay