Zinc Plated
                    Serrated flange nuts or spin lock nuts are case hardened hex nuts with a built in ribbed washer that bites into the mating surface, locking the nut in place.   Serrated flange nuts are hardened to Grade 8.8 specification, comparable to imperial Grade 5.
                
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                    - 58550
 - M4-.70 SERRATED FLANGE LOCKING NUT GRADE 8.8 ZINC PLATED
 
| Diameter: | M4M4 | 
| Thread Pitch: | .70.70 | 
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 - In Stock
 
- 58551
 - M5-.80 SERRATED FLANGE LOCKING NUT GRADE 8.8 ZINC PLATED
 
| Diameter: | M5M5 | 
| Thread Pitch: | .80.80 | 
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 - In Stock
 
- 58552
 - M6-1.00 SERRATED FLANGE LOCKING NUT CLASS 8.8 ZINC PLATED
 
| Diameter: | M6M6 | 
| Thread Pitch: | 1.001.00 | 
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 - In Stock
 
- 58554
 - M8-1.25 SERRATED FLANGE LOCKING NUT GRADE 8.8 ZINC PLATED
 
| Diameter: | M8M8 | 
| Thread Pitch: | 1.251.25 | 
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 - In Stock
 
- 58555
 - M10-1.50 SERRATED FLANGE LOCKING NUT CLASS 8.8 ZINC PLATED
 
| Diameter: | M10M10 | 
| Thread Pitch: | 1.501.50 | 
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 - In Stock
 
- 58565
 - M10-1.25 SERRATED FLANGE NUT GRADE 8.8 ZINC PLATED
 
| Diameter: | M10M10 | 
| Thread Pitch: | 1.251.25 | 
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 - In Stock
 
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