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. 664-4873
Mfr. Part No.KN M3
£4.39
1 Bag of 10
Bag(s)
M3 Knurled Nut Brass - - Nickel Plated
RS Stock No. 530-674
Mfr. Part No.18805TRZC
BrandAerotight
£21.44
1 Bag of 100
Bag(s)
M5 Aerotight Steel - - Bright Zinc Plated
RS Stock No. 260-5815
Mfr. Part No.A2AEROTIGHTM03RS
BrandAerotight
£13.14
1 Box of 25
Box(es)
M3 Aerotight - - 5.5mm Plain
RS Stock No. 664-4886
Mfr. Part No.KN M5
£4.90
1 Bag of 10
Bag(s)
M5 Knurled Nut Brass - - Nickel Plated
RS Stock No. 260-5821
Mfr. Part No.A2AEROTIGHTM04RS
BrandAerotight
£24.74
1 Box of 25
Box(es)
M4 Aerotight - - 7mm Plain
RS Stock No. 530-719
Mfr. Part No.18812TRZC
BrandAerotight
£48.05
1 Bag of 50
Bag(s)
M12 Aerotight Steel - - Bright Zinc Plated
RS Stock No. 664-4877
Mfr. Part No.KN M4
£6.04
1 Bag of 10
Bag(s)
M4 Knurled Nut Brass - - Nickel Plated
RS Stock No. 212-745
Mfr. Part No.05310080230
BrandBöllhoff
£55.39
1 Bag of 100
Bag(s)
M8 Nylon Insert Steel - 13mm Phosphated
RS Stock No. 914-3421
Mfr. Part No.H-HLM-6
BrandHeico
£67.71
1 Bag of 50
Bag(s)
M6 Wedge-Lock Nut Steel - 14.2 (Dia.)mm Zinc
RS Stock No. 914-3424
Mfr. Part No.WLN08
BrandHeico
£86.92
1 Bag of 50
Bag(s)
M8 Wedge-Lock Nut Steel - 17.9 (Dia.)mm Zinc
RS Stock No. 914-3430
Mfr. Part No.H-HLM-16
BrandHeico
£67.91
1 Bag of 10
Bag(s)
M16 Wedge-Lock Nut Steel - 34.5 (Dia.)mm Zinc
RS Stock No. 260-6436
Mfr. Part No.A2AEROTIGHTM12RS
BrandAerotight
£41.81
1 Box of 10
Box(es)
M12 Aerotight - - 19mm Plain
RS Stock No. 914-3428
Mfr. Part No.WLN10
BrandHeico
£33.40
1 Bag of 25
Bag(s)
M10 Wedge-Lock Nut Steel - 21.8 (Dia.)mm Zinc
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