Zinc-Plated Medium-Strength Steel Hex Nut
SAE Grade 5, 3/8"-16 Thread Size



Hex Nut Profile | Standard |
Fastener Strength Rating | Medium |
Material | Zinc-Plated Steel |
Thread Size | 3/8"-16 |
Width | 9/16" |
Height | 21/64" |
Fastener Strength Grade/Class | SAE Grade 5 |
Specifications Met | ASME B18.2.2 |
Drive Style | External Hex |
Nut Type | Hex |
System of Measurement | Inch |
Thread Direction | Right Hand |
Thread Fit | Unified Standard Class 2B |
Thread Spacing | Coarse |
Thread Type | UNC |
Country of Origin | Canada |
DFARS Compliance | Specialty Metals Compliant (252.225-7009) |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (01/21/2025, 247 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 731816.0000 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | Yes |
The most commonly used hex nuts, these are suitable for fastening most machinery and equipment.
Medium-Strength Steel—These Grade 5 or Class 8 nuts are your go-to for fastening most machinery and equipment. To avoid stripped threads during installation, make sure your screw has a comparable strength rating.
Zinc-Plated Steel—A step up from plain steel, the zinc plating withstands occasional exposure to moisture.
The information in this 3-D model is provided for reference only.



























