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. 275-642
BrandRS PRO
$18.58
1 Bag of 10
Bag(s)
M12 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 530-416
BrandRS PRO
$25.89
1 Bag of 100
Bag(s)
M12 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 276-780
BrandRS PRO
$32.79
1 Bag of 50
Bag(s)
M16 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 122-4376
BrandRS PRO
$38.12
1 Bag of 50
Bag(s)
M16 Nylon Insert Steel - - Zinc Plated
RS Stock No. 665-5619
BrandRS PRO
$83.29
1 Bag of 10
Bag(s)
M10 Aerotight - A4 316 17mm Plain
RS Stock No. 665-5609
BrandRS PRO
$79.38
1 Bag of 25
Bag(s)
M4 Aerotight - A4 316 7mm Plain
RS Stock No. 665-5603
BrandRS PRO
$89.85
1 Bag of 25
Bag(s)
M5 Aerotight - A4 316 8mm Plain
RS Stock No. 275-709
BrandRS PRO
$72.46
1 Bag of 10
Bag(s)
M20 Nylon Insert - A2 304 - Plain
RS Stock No. 188-6476
BrandRS PRO
$89.22
1 Bag of 25
Bag(s)
M20 Nylon Insert Stainless Steel A4 316 - Plain
RS Stock No. 483-0568
BrandRS PRO
$66.68
1 Bag of 100
Bag(s)
0BA Full Brass - - Nickel Plated
RS Stock No. 276-796
BrandRS PRO
$43.71
1 Bag of 50
Bag(s)
M20 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 260-6414
Mfr. Part No.A2AEROTIGHTM08RS
BrandAerotight
$45.21
1 Box of 10
Box(es)
M8 Aerotight - - 13mm Plain
RS Stock No. 260-5821
Mfr. Part No.A2AEROTIGHTM04RS
BrandAerotight
$52.98
1 Box of 25
Box(es)
M4 Aerotight - - 7mm Plain
RS Stock No. 914-3424
Mfr. Part No.WLN08
BrandHeico
$186.14
1 Bag of 50
Bag(s)
M8 Wedge-Lock Nut Steel - 17.9 (Dia.)mm Zinc
RS Stock No. 260-6420
Mfr. Part No.A2AEROTIGHTM10RS
BrandAerotight
$61.20
1 Box of 10
Box(es)
M10 Aerotight - - 17mm Plain
RS Stock No. 260-5859
Mfr. Part No.A2AEROTIGHTM06RS
BrandAerotight
$84.31
1 Box of 25
Box(es)
M6 Aerotight - - 10mm Plain
RS Stock No. 530-680
Mfr. Part No.18806TRZC
BrandAerotight
$52.53
1 Bag of 100
Bag(s)
M6 Aerotight Steel - - Bright Zinc Plated
RS Stock No. 260-5815
Mfr. Part No.A2AEROTIGHTM03RS
BrandAerotight
$25.45
1 Box of 25
Box(es)
M3 Aerotight - - 5.5mm Plain
RS Stock No. 530-652
Mfr. Part No.18803TRZC
BrandAerotight
$43.75
1 Bag of 100
Bag(s)
M3 Aerotight Steel - - Bright Zinc Plated
RS Stock No. 914-3428
Mfr. Part No.WLN10
BrandHeico
$74.40
1 Bag of 25
Bag(s)
M10 Wedge-Lock Nut Steel - 21.8 (Dia.)mm Zinc
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A2 Stainless Steel - Metric Self-locking nuts with glass-filled nylon inserts These are designed to remain secure despite conditions of severe vibration. Features and Benefits To DIN985A2 grade 18//8 stainless steel (Type 304 S15) Applications Unlike conventional fasteners, lock nuts, ...
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