Part Number: 31FHLNL9Y
Diameter/Pitch: 5/16"-24
Grade: Grade L-9
Finish: Zinc Yellow
Coarse / Fine Threads: Fine
Wrench Size: 1/2"
Country of Origin: USA
5/16"-24 Grade L-9 Hex Collar Locknuts USA Zinc Yellow
Part Number: 31FHLNL9Y
Diameter/Pitch: 5/16"-24
Grade: Grade L-9
Finish: Zinc Yellow
Coarse / Fine Threads: Fine
Wrench Size: 1/2"
Country of Origin: USA
B&N Pro eligible item. Save 10% when you join Pro. Learn more.
| Diameter Pitch | 5/16"-24 |
| Finish | Zinc Yellow |
| Threads Per Inch | 24 TPI |
| Proof Load | 8,710 lbf |
| Lock Type | Collar Lock Nuts |
| Prevailing Torque | 24 in-lb max (first installation) |
| Grade | Grade 8 |
| Material | Medium carbon steel, heat treated |
| Width Across Flats | 0.500" (1/2") |
| Proof Stress | 150,000 psi |
| Locking Type | All-metal prevailing torque (distorted thread) |
| Break Away Torque | 4.5 in-lb min (fifth removal) |
| Grade Material | Grade L-9 |
| Thread Class | 2B |
| Width Across Corners | 0.577" max |
| Tensile Stress Area | 0.0581 sq in |
| Inch Metric | Inch |
| Max Temperature | Rated to 450°F (all-metal) |
Related Items
Everything you need for this fastener — pick your pack sizes and add them all at once.