Top Lock Nuts

Top lock nuts have a tapered top to prevent loosening of the bolt.  This lock nut slightly distorts threads of the mating part to achieve the locking application.  The mating part cannot be reused after application.  Top lock nuts are commonly used in the automotive industry.

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Unit of Measure
Items
Item Image - Top Lock Nuts Grade C

1/4-20 Toplock Nut Grade C Zinc, 100/pk
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toplock nut_2015

1/4-28 Toplock Nut Grade C Zinc, 100/pk
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Item Image - Top Lock Nuts Grade C

5/16-18 Toplock Nut Grade C Zinc, 100/pk
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toplock nut_2015

5/16-24 Toplock Nut Grade C Zinc, 100/pk
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Item Image - Top Lock Nuts Grade C

3/8-16 Toplock Nut Grade C Zinc, 100/pk
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System of Measurement N/A Standard
Diameter N/A 1/4"-20 N/A 1/4"-28 N/A 5/16"-18 N/A 5/16"-24 N/A 3/8"-16
Grade N/A C
Coating N/A Zinc
Thread Type N/A Coarse N/A Fine N/A Coarse N/A Fine N/A Coarse
Wt. Per 100 N/A
Specification N/A