Round Coupling Nut
18-8 Stainless Steel, M16 x 2 mm Thread, 40 mm Long





Thread Direction | Right Hand |
Material | 18-8 Stainless Steel |
Thread Size | M16 |
Thread Pitch | 2 mm |
Length | 40 mm |
OD | 22 mm |
Threading | Fully Threaded |
Coupling Nut Profile | Standard |
Nut Type | Round, Coupling |
Performance | Corrosion Resistant |
System of Measurement | Metric |
Thread Fit | Metric Class 6H |
Thread Spacing | Coarse |
Thread Type | Metric |
Country of Origin | China, India |
DFARS Compliance | Not Specialty Metals Compliant |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 731816.0000 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | No |
Less bulky than hex coupling nuts, these have a smooth, round body that fits in tight spots. Their finished appearance makes them a common choice for decorative applications. Tighten by hand, or use soft-jaw pliers to avoid marring the outside surface. Also known as extension nuts, they are commonly used to connect lengths of threaded rod and join threaded parts.
18-8 Stainless Steel—The choice for wet and outdoor environments, these nuts resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
The information in this 3-D model is provided for reference only.

























