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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Part Details Brand Stock Thread Size Type Material Stainless Steel Type Width Finish
RS PRO, M4, Bright Zinc Plated Steel Nylon Insert Lock Nut
  • £ 4.43
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248400 Please note that the Stock level on this page is periodically updated during the day.

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Steel Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, 6BA, Nickel Plated Brass Full Lock Nut
  • £ 6.72
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182000 Please note that the Stock level on this page is periodically updated during the day.

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Full Please note that the Stock level on this page is periodically updated during the day.

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Brass Please note that the Stock level on this page is periodically updated during the day.

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- - Nickel Plated Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M3, Plain Nylon Insert Lock Nut
  • £ 7.72
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101900 Please note that the Stock level on this page is periodically updated during the day.

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- A2 304 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M5, Bright Zinc Plated Steel Nylon Insert Lock Nut
  • £ 5.40
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95100 Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M4, Plain Nylon Insert Lock Nut
  • £ 8.79
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92100 Please note that the Stock level on this page is periodically updated during the day.

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- A2 304 Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, 4BA, Nickel Plated Brass Full Lock Nut
  • £ 9.66
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88000 Please note that the Stock level on this page is periodically updated during the day.

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4BA Please note that the Stock level on this page is periodically updated during the day.

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Full Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M6, Bright Zinc Plated Steel Nylon Insert Lock Nut
  • £ 7.53
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61700 Please note that the Stock level on this page is periodically updated during the day.

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Steel Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M6, Plain Nylon Insert Lock Nut
  • £ 13.65
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54700 Please note that the Stock level on this page is periodically updated during the day.

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M6 Please note that the Stock level on this page is periodically updated during the day.

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- A2 304 Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M4, Plain Nylon Insert Lock Nut
  • £ 12.31
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52800 Please note that the Stock level on this page is periodically updated during the day.

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M4 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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- A4 316 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M3, Bright Zinc Plated Steel Nylon Insert Lock Nut
  • £ 4.14
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48700 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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Steel Please note that the Stock level on this page is periodically updated during the day.

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- - Bright Zinc Plated Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M8, Plain Nylon Insert Lock Nut
  • £ 20.03
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45000 Please note that the Stock level on this page is periodically updated during the day.

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M8 Please note that the Stock level on this page is periodically updated during the day.

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- A2 304 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M5, Plain Nylon Insert Lock Nut
  • £ 10.37
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42100 Please note that the Stock level on this page is periodically updated during the day.

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- A2 304 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M3, Plain Nylon Insert Lock Nut
  • £ 11.05
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37600 Please note that the Stock level on this page is periodically updated during the day.

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M3 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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- A4 316 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M8, Zinc Plated Steel Nylon Insert Lock Nut
  • £ 8.28
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36900 Please note that the Stock level on this page is periodically updated during the day.

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M8 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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Steel Please note that the Stock level on this page is periodically updated during the day.

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- - Zinc Plated Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M5, Plain Nylon Insert Lock Nut
  • £ 14.96
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34900 Please note that the Stock level on this page is periodically updated during the day.

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M5 Please note that the Stock level on this page is periodically updated during the day.

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- A4 316 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M10, Bright Zinc Plated Steel Nylon Insert Lock Nut
  • £ 14.73
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32000 Please note that the Stock level on this page is periodically updated during the day.

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Steel Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M8, Bright Zinc Plated Steel Nylon Insert Lock Nut
  • £ 9.56
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30300 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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Steel Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M6, Zinc Plated Steel Nylon Insert Lock Nut
  • £ 6.58
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27100 Please note that the Stock level on this page is periodically updated during the day.

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M6 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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Aerotight, M3, 5.5mm Plain Aerotight Lock Nut
  • £ 15.77
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18925 Please note that the Stock level on this page is periodically updated during the day.

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M3 Please note that the Stock level on this page is periodically updated during the day.

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Aerotight Please note that the Stock level on this page is periodically updated during the day.

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Plain Please note that the Stock level on this page is periodically updated during the day.

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RS PRO, M8, Plain Nylon Insert Lock Nut
  • £ 28.14
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18400 Please note that the Stock level on this page is periodically updated during the day.

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M8 Please note that the Stock level on this page is periodically updated during the day.

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Nylon Insert Please note that the Stock level on this page is periodically updated during the day.

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- A4 316 Please note that the Stock level on this page is periodically updated during the day.

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- Plain Please note that the Stock level on this page is periodically updated during the day.

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