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. 524-281
BrandRS PRO
PHP305.12
1 Bag of 100
Bag(s)
M3 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 767-810
BrandRS PRO
PHP987.03
1 Bag of 100
Bag(s)
M4 Nylon Insert - A4 316 - Plain
RS Stock No. 524-304
BrandRS PRO
PHP378.69
1 Bag of 100
Bag(s)
M4 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 275-636
BrandRS PRO
PHP235.05
1 Bag of 10
Bag(s)
M10 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 521-951
BrandRS PRO
PHP1,067.50
1 Bag of 100
Bag(s)
M8 Nylon Insert - A2 304 - Plain
RS Stock No. 767-804
BrandRS PRO
PHP1,047.18
1 Bag of 100
Bag(s)
M3 Nylon Insert - A4 316 - Plain
RS Stock No. 665-5606
BrandRS PRO
PHP2,757.54
1 Bag of 25
Bag(s)
M3 Aerotight - A4 316 5.5mm Plain
RS Stock No. 521-917
BrandRS PRO
PHP413.71
1 Bag of 100
Bag(s)
M3 Nylon Insert - A2 304 - Plain
RS Stock No. 521-967
BrandRS PRO
PHP2,036.74
1 Bag of 100
Bag(s)
M10 Nylon Insert - A2 304 - Plain
RS Stock No. 521-945
BrandRS PRO
PHP1,021.06
1 Bag of 100
Bag(s)
M6 Nylon Insert - A2 304 - Plain
RS Stock No. 767-848
BrandRS PRO
PHP1,845.93
1 Bag of 100
Bag(s)
M8 Nylon Insert - A4 316 - Plain
RS Stock No. 521-939
BrandRS PRO
PHP616.87
1 Bag of 100
Bag(s)
M5 Nylon Insert - A2 304 - Plain
RS Stock No. 483-0580
BrandRS PRO
PHP614.37
1 Bag of 250
Bag(s)
4BA Full Brass - - Nickel Plated
RS Stock No. 122-4375
BrandRS PRO
PHP975.62
1 Bag of 100
Bag(s)
M12 Nylon Insert Steel - - Zinc Plated
RS Stock No. 275-620
BrandRS PRO
PHP735.62
1 Bag of 50
Bag(s)
M8 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 275-614
BrandRS PRO
PHP734.19
1 Bag of 100
Bag(s)
M6 Nylon Insert Steel - - Bright Zinc Plated
RS Stock No. 665-5612
BrandRS PRO
PHP3,648.14
1 Bag of 25
Bag(s)
M6 Aerotight - A4 316 10mm Plain
RS Stock No. 521-923
BrandRS PRO
PHP577.22
1 Bag of 100
Bag(s)
M4 Nylon Insert - A2 304 - Plain
RS Stock No. 521-973
BrandRS PRO
PHP2,683.04
1 Bag of 100
Bag(s)
M12 Nylon Insert - A2 304 - Plain
RS Stock No. 276-796
BrandRS PRO
PHP1,809.37
1 Bag of 50
Bag(s)
M20 Nylon Insert Steel - - Bright Zinc Plated
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To DIN6926 Grade 8 steel, bright zinc plated ...
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To DIN6926 Grade 8 steel, bright zinc plated Self-locking due to nylon insert Plain faced flange.
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Self-locking nuts with glass-filled nylon inserts. These are designed to remain secure despite conditions of severe vibration. Grade 8 steel, bright zinc plated.
Self-locking nuts with glass-filled nylon inserts. These are ...
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Self-locking nuts with glass-filled nylon inserts. These are designed to remain secure despite conditions of severe vibration. To DIN985A2 grade 18//8 stainless steel (Type 304 S15).
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Self-locking all metal nuts, designed to stay in position despite conditions of severe vibration. This is achieved by cantilevered threaded arms which are deflected downwards and inwards. Grade 4 steel, bright zinc platedAll-metal constructionAllows use up to 300°CStay in position ...