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. 524-326
BrandRS PRO
$14.80
1 Bag of 100
Bag(s)
M6 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 524-304
BrandRS PRO
$8.71
1 Bag of 100
Bag(s)
M4 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 524-281
BrandRS PRO
$8.13
1 Bag of 100
Bag(s)
M3 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 483-0574
BrandRS PRO
$33.41
1 Bag of 100
Bag(s)
2BA Full Brass - - Nickel Plated
RS Stock No. 521-939
BrandRS PRO
$20.37
1 Bag of 100
Bag(s)
M5 Nylon Insert - A2 304 - Plain
RS Stock No. 521-917
BrandRS PRO
$15.17
1 Bag of 100
Bag(s)
M3 Nylon Insert - A2 304 - Plain
RS Stock No. 530-393
BrandRS PRO
$18.13
1 Bag of 100
Bag(s)
M8 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 767-804
BrandRS PRO
$21.69
1 Bag of 100
Bag(s)
M3 Nylon Insert - A4 316 - Plain
RS Stock No. 122-4373
BrandRS PRO
$16.28
1 Bag of 100
Bag(s)
M8 Nylon Insert Steel - - Zinc Plated
RS Stock No. 767-832
BrandRS PRO
$31.64
1 Bag of 100
Bag(s)
M6 Nylon Insert - A4 316 - Plain
RS Stock No. 521-945
BrandRS PRO
$26.79
1 Bag of 100
Bag(s)
M6 Nylon Insert - A2 304 - Plain
RS Stock No. 665-5628
BrandRS PRO
$131.45
1 Bag of 10
Bag(s)
M12 Aerotight - A4 316 19mm Plain
RS Stock No. 521-923
BrandRS PRO
$17.27
1 Bag of 100
Bag(s)
M4 Nylon Insert - A2 304 - Plain
RS Stock No. 122-4372
BrandRS PRO
$12.91
1 Bag of 100
Bag(s)
M6 Nylon Insert Steel - - Zinc Plated
RS Stock No. 767-848
BrandRS PRO
$55.26
1 Bag of 100
Bag(s)
M8 Nylon Insert - A4 316 - Plain
RS Stock No. 275-692
BrandRS PRO
$60.82
1 Bag of 25
Bag(s)
M16 Nylon Insert - A2 304 - Plain
RS Stock No. 521-951
BrandRS PRO
$39.34
1 Bag of 100
Bag(s)
M8 Nylon Insert - A2 304 - Plain
RS Stock No. 275-620
BrandRS PRO
$38.68
1 Bag of 50
Bag(s)
M8 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 767-810
BrandRS PRO
$24.17
1 Bag of 100
Bag(s)
M4 Nylon Insert - A4 316 - Plain
RS Stock No. 665-5603
BrandRS PRO
$99.73
1 Bag of 25
Bag(s)
M5 Aerotight - A4 316 8mm Plain
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