Locking Nuts

A lock nut is a type of nut that resists loosening when properly threaded onto a bolt. Nut-and-bolt fasteners are extremely common in industry and home applications. Lock nuts fall into one of 2 groups
● Prevailing Torque Lock Nuts - Prevailing torque is the amount of torque needed to run a nut down a thread on nuts that are designed to resist self-loosening under vibratory forces.
● Surface bearing lock nuts – surface bearing - a free spinning nut that requires tightening against a bearing surface in order for the locking mechanism to function.

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Description Price Thread Size Type Material Stainless Steel Type Width Finish
RS Stock No. 521-945
BrandRS PRO
MYR33.01
1 Bag of 100
Bag(s)
M6 Nylon Insert - A2 304 - Plain
RS Stock No. 767-854
BrandRS PRO
MYR93.38
1 Bag of 100
Bag(s)
M10 Nylon Insert - A4 316 - Plain
RS Stock No. 521-939
BrandRS PRO
MYR14.32
1 Bag of 100
Bag(s)
M5 Nylon Insert - A2 304 - Plain
RS Stock No. 524-281
BrandRS PRO
MYR26.06
1 Bag of 100
Bag(s)
M3 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 767-848
BrandRS PRO
MYR157.66
1 Bag of 100
Bag(s)
M8 Nylon Insert - A4 316 - Plain
RS Stock No. 524-326
BrandRS PRO
MYR37.94
1 Bag of 100
Bag(s)
M6 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 767-832
BrandRS PRO
MYR77.46
1 Bag of 100
Bag(s)
M6 Nylon Insert - A4 316 - Plain
RS Stock No. 521-973
BrandRS PRO
MYR229.17
1 Bag of 100
Bag(s)
M12 Nylon Insert - A2 304 - Plain
RS Stock No. 524-310
BrandRS PRO
MYR37.44
1 Bag of 100
Bag(s)
M5 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 521-923
BrandRS PRO
MYR49.30
1 Bag of 100
Bag(s)
M4 Nylon Insert - A2 304 - Plain
RS Stock No. 248-4539
BrandRS PRO
MYR149.60
1 Bag of 50
Bag(s)
M12 Nylon Insert - A4 316 - Plain
RS Stock No. 665-5612
BrandRS PRO
MYR283.27
1 Bag of 25
Bag(s)
M6 Aerotight - A4 316 10mm Plain
RS Stock No. 122-4372
BrandRS PRO
MYR28.11
1 Bag of 100
Bag(s)
M6 Nylon Insert Steel - - Zinc Plated
RS Stock No. 665-5628
BrandRS PRO
MYR302.11
1 Bag of 10
Bag(s)
M12 Aerotight - A4 316 19mm Plain
RS Stock No. 275-608
BrandRS PRO
MYR48.22
1 Bag of 100
Bag(s)
M5 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 521-917
BrandRS PRO
MYR18.56
1 Bag of 100
Bag(s)
M3 Nylon Insert - A2 304 - Plain
RS Stock No. 524-304
BrandRS PRO
MYR32.35
1 Bag of 100
Bag(s)
M4 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 914-3424
Mfr. Part No.WLN08
BrandHeico
MYR620.86
1 Bag of 50
Bag(s)
M8 Wedge-Lock Nut Steel - 17.9 (Dia.)mm Zinc
RS Stock No. 797-6386
BrandRS PRO
MYR209.49
1 Bag of 50
Bag(s)
M20 Nylon Insert - A4 316 - Plain
RS Stock No. 122-4377
BrandRS PRO
MYR156.05
1 Bag of 50
Bag(s)
M20 Nylon Insert Steel - - Zinc Plated
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Self-locking nuts with glass-filled nylon inserts. These are ...
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