Part Number: 56FFHN5Z
Diameter/Pitch: 9/16"-18
Grade: Grade 5
Finish: Zinc Clear
Coarse / Fine Threads: Fine
Wrench Size: 7/8"
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9/16"-18 Grade 5 Finished Hex Nuts Zinc Clear
Part Number: 56FFHN5Z
Diameter/Pitch: 9/16"-18
Grade: Grade 5
Finish: Zinc Clear
Coarse / Fine Threads: Fine
Wrench Size: 7/8"
Click Here for Tech Drawing

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| Diameter Pitch | 9/16"-18 |
| Finish | Zinc Clear |
| Thread Class | 2B |
| Width Across Flats | 0.875" (7/8") |
| Major Diameter | 0.5625" |
| Tensile Stress Area | 0.2030 sq in |
| Thread Type | Finished Hex |
| Nominal Size | 9/16" |
| Grade | Grade 5 |
| Material | Medium carbon steel |
| Threads Per Inch | 18 TPI |
| Width Across Corners | 1.010" max |
| Proof Load | 24,360 lbf |
| Hardness | Rockwell C25–C34 |
| Head Type | Hex |
| Inch Metric | Inch |
| Grade Material | Grade 5 |
| Coarse Fine Threads | Fine |
| Wrench Size | 7/8" |
| Head Height | 31/64" |
| Proof Stress | 120,000 psi |
| Head Marking | J995 Grade 5 marking |
| Height | 0.484" nom |
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