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. 521-917
BrandRS PRO
R 136.00
1 Bag of 100
Bag(s)
M3 Nylon Insert - A2 304 - Plain
RS stock no. 767-804
BrandRS PRO
R 129.03
1 Bag of 100
Bag(s)
M3 Nylon Insert - A4 316 - Plain
RS stock no. 767-810
BrandRS PRO
R 133.87
1 Bag of 100
Bag(s)
M4 Nylon Insert - A4 316 - Plain
RS stock no. 665-5603
BrandRS PRO
R 935.22
1 Bag of 25
Bag(s)
M5 Aerotight - A4 316 8mm Plain
RS stock no. 524-281
BrandRS PRO
R 56.06
1 Bag of 100
Bag(s)
M3 Nylon Insert Steel - - Bright Zinc Plated
RS stock no. 122-4375
BrandRS PRO
R 528.22
1 Bag of 100
Bag(s)
M12 Nylon Insert Steel - - Zinc Plated
RS stock no. 767-832
BrandRS PRO
R 336.56
1 Bag of 100
Bag(s)
M6 Nylon Insert - A4 316 - Plain
RS stock no. 483-0568
BrandRS PRO
R 741.93
1 Bag of 100
Bag(s)
0BA Full Brass - - Nickel Plated
RS stock no. 521-939
BrandRS PRO
R 123.53
1 Bag of 100
Bag(s)
M5 Nylon Insert - A2 304 - Plain
RS stock no. 524-304
BrandRS PRO
R 97.36
1 Bag of 100
Bag(s)
M4 Nylon Insert Steel - - Bright Zinc Plated
RS stock no. 260-6436
Mfr. Part No.A2AEROTIGHTM12RS
BrandAerotight
R 967.06
1 Box of 10
Box(es)
M12 Aerotight - - 19mm Plain
RS stock no. 260-5859
Mfr. Part No.A2AEROTIGHTM06RS
BrandAerotight
R 884.82
1 Box of 25
Box(es)
M6 Aerotight - - 10mm Plain
RS stock no. 914-3428
Mfr. Part No.WLN10
BrandHeico
R 840.07
1 Bag of 25
Bag(s)
M10 Wedge-Lock Nut Steel - 21.8 (Dia.)mm Zinc
RS stock no. 530-393
BrandRS PRO
R 279.83
1 Bag of 100
Bag(s)
M8 Nylon Insert Steel - - Bright Zinc Plated
RS stock no. 530-668
Mfr. Part No.18804TRZC
BrandAerotight
R 486.52
1 Bag of 100
Bag(s)
M4 Aerotight Steel - - Bright Zinc Plated
RS stock no. 521-945
BrandRS PRO
R 289.09
1 Bag of 100
Bag(s)
M6 Nylon Insert - A2 304 - Plain
RS stock no. 521-951
BrandRS PRO
R 455.75
1 Bag of 100
Bag(s)
M8 Nylon Insert - A2 304 - Plain
RS stock no. 483-0596
BrandRS PRO
R 113.30
1 Bag of 250
Bag(s)
6BA Full Brass - - Nickel Plated
RS stock no. 122-4373
BrandRS PRO
R 161.36
1 Bag of 100
Bag(s)
M8 Nylon Insert Steel - - Zinc Plated
RS stock no. 122-4374
BrandRS PRO
R 388.34
1 Bag of 100
Bag(s)
M10 Nylon Insert Steel - - Zinc Plated