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Nylon inset lock nuts nuts are basically a hex nut with a nylon-filled collar at its back end. When a screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the screw when it's subject to vibration.
GRADE A NYLON INSERT LOCKNUT, ZINC CLEAR CR+3 (INCH)
Unit of Measure
1 

Item #

Item Name

Package Quantity

Web Price

25CNTUZ N/A 1/4-20 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 3000 $312.72
31CNTUZ N/A 5/16-18 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 2000 QUOTE
37CNTUZ N/A 3/8-16 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 1200 QUOTE
43CNTUZ N/A 7/16-14 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 850 $455.81
50CNTUZ N/A 1/2-13 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 500 $263.73
56CNTUZ N/A 9/16-12 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 400 QUOTE
62CNTUZ N/A 5/8-11 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 300 $477.38
75CNTUZ N/A 3/4-10 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 200 $433.78
87CNTUZ N/A 7/8-9 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 125 $354.59
100CNTUZ N/A 1-8 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 100 $318.78
112FNNUZ N/A 1 1/8-7 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 90 $428.53
125FNNUZ N/A 1 1/4-7 NYLON INSERT LOCK NUT NTU SERIES ZINC N/A 70 $525.79
Unit of Measure
1