Lock Nuts - Metric Fine Pitch

M8 x 1.00P - Lock Nut Hexagon DIN 439B - A2 Stainless Steel - Pack of 5

Sometimes written as lock nuts, they also go by various other names, including half nuts, jam nuts and thin nuts.

Locknuts are used to lock a full nut in position to prevent it from working loose as a result of vibration or other factors.

Locknuts are often mixed up with Nyloc nuts, which are different. Nyloc nuts are self-locking nuts that feature a nylon collar in the top portion of the nut that locks the nut in place.

Metric fine thread is a common thread, often found on machine screws. More threads per axial distance (length along the fastener) than metric coarse. A fine thread is known to be stronger than a coarse thread.

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Lock Nuts - Metric Fine Pitch
Guides & Tips

M8 x 1.00P - Lock Nut Hexagon DIN 439B - A2 Stainless Steel - Pack of 5

CODE: LNMFA208100

£12.16 £14.59

Pitch:

1.00P

Diameter:

Material:

A2 Stainless Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

4mm

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M12 x 1.50P - Lock Nut Hexagon - A2 Stainless Steel - Pack of 5

CODE: LNMFA212150

£20.40 £24.48

Pitch:

1.50P

Diameter:

M12

Material:

A2 Stainless Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

6mm

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M27 x 2.00P - Lock Nut Hexagon DIN 439B - A2 Stainless Steel

CODE: LNMFA227200

£42.78 £51.34

Pitch:

2.00P

Diameter:

M27

Material:

A2 Stainless Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

13.5mm

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M16 x 1.50P - Lock Nut Hexagon DIN 439B - A4 Stainless Steel

CODE: LNMFA416150

£8.32 £9.98

Pitch:

1.50P

Diameter:

M16

Material:

Steel

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

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M20 x 1.50P - Lock Nut Hexagon DIN 439B - A4 Stainless Steel

CODE: LNMFA420150

£8.36 £10.03

Pitch:

1.50P

Diameter:

M20

Material:

Steel

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

10mm

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M10 x 1.00P - Lock Nut Hexagon - Brass - Pack of 5

CODE: LNMFBR10100

£19.35 £23.22

Pitch:

1.00P

Diameter:

M10

Material:

Brass

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

5mm

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M12 x 1.25P - Lock Nut Hexagon 17mm A/F 7mm Thick - Brass - Pack of 25

CODE: LNMFBR12125

£22.09 £26.51

Pitch:

1.25P

Diameter:

M12

Material:

Brass

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Thickness:

7mm

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M12 x 1.00P - Lock Nut Hexagon - Self Colour - Pack of 25

CODE: LNMFSC12100

M14 x 1.00P - Lock Nut Hexagon Grade 4 DIN 439B - Self Colour - Pack of 10

£20.17 £24.20

Pitch:

1.00P

Diameter:

M12

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

6mm

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M14 x 1.00P - Lock Nut Hexagon Grade 4 DIN 439B - Self Colour - Pack of 10

CODE: LNMFSC14100

£31.92 £38.30

Pitch:

1.00P

Grade:

Grade 4

Diameter:

M14

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

7mm

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M16 x 1.50P - Lock Nut Hexagon - Self Colour - Pack of 10

CODE: LNMFSC16150

£15.17 £18.20

Pitch:

1.50P

Diameter:

M16

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

8mm

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M20 x 1.50P - Lock Nut Hexagon Grade 4 DIN 439B - Self Colour - Pack of 5

CODE: LNMFSC20150

£21.41 £25.69

Pitch:

1.50P

Grade:

Grade 4

Diameter:

M20

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

10mm

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M22 x 1.50P - Lock Nut Hexagon DIN 439B - Self Colour - Pack of 5

CODE: LNMFSC22150

£15.20 £18.24

Pitch:

1.50P

Diameter:

M22

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

11mm

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M30 x 2.00P - Lock Nut Hexagon Grade 4 DIN 439B - Self Colour

CODE: LNMFSC30200

£19.94 £23.93

Pitch:

2.00P

Grade:

Grade 4

Diameter:

M30

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

15mm

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M33 x 2.00P - Lock Nut Hexagon Grade 4 DIN 439B - Self Colour

CODE: LNMFSC33200

£21.16 £25.39

Pitch:

2.00P

Grade:

Grade 4

Diameter:

M33

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

16.5mm

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M36 x 1.50P - Lock Nut Hexagon - Self Colour

CODE: LNMFSC36150

£22.73 £27.28

Pitch:

1.50P

Diameter:

M36

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

18mm

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M36 x 2.00P - Lock Nut Hexagon Grade 4 - Self Colour

CODE: LNMFSC36200

£46.52 £55.82

Pitch:

2.00P

Diameter:

M36

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

18mm

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M39 x 3.00P - Lock Nut Hexagon - Self Colour

CODE: LNMFSC39300

£57.38 £68.86

Pitch:

3.00P

Diameter:

M39

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

19.5mm

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M40 x 1.50P - Lock Nut Hexagon DIN 439B - Self Colour

CODE: LNMFSC40150

£38.77 £46.52

Pitch:

1.50P

Diameter:

M40

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

20mm

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M8 x 1.00P - Lock Nut Hexagon - BZP - Pack of 10

CODE: LNMFZP08100

£7.02 £8.42

Pitch:

1.00P

Diameter:

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

4mm

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M10 x 1.00P - Lock Nut Hexagon - BZP - Pack of 10

CODE: LNMFZP10100

£9.03 £10.84

Pitch:

1.00P

Diameter:

M10

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

5mm

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M10 x 1.25P - Lock Nut Hexagon - BZP - Pack of 10

CODE: LNMFZP10125

£9.03 £10.84

Pitch:

1.25P

Diameter:

M10

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

5mm

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M12 x 1.00P - Lock Nut Hexagon - BZP - Pack of 10

CODE: LNMFZP12100D

£13.53 £16.24

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M12 x 1.25P - Lock Nut Hexagon - BZP - Pack of 10

CODE: LNMFZP12125

£9.99 £11.99

Pitch:

1.25P

Diameter:

M12

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

6mm

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M12 x 1.50P - Lock Nut Hexagon Grade 4 DIN 439B - BZP - Pack of 10

CODE: LNMFZP12150

£9.11 £10.93

Pitch:

1.50P

Grade:

Grade 4

Diameter:

M12

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

6mm

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M14 x 1.25P - Lock Nut Hexagon Grade 4 DIN 439B - BZP - Pack of 10

CODE: LNMFZP14125

£22.65 £27.18

Pitch:

1.25P

Grade:

Grade 4

Diameter:

M14

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

7mm

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M14 x 1.50P - Lock Nut Hexagon Grade 4 DIN 439B - BZP - Pack of 10

CODE: LNMFZP14150

£19.23 £23.08

Pitch:

1.50P

Grade:

Grade 4

Diameter:

M14

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

7mm

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M16 x 1.00P - Lock Nut Hexagon Grade 4 DIN 439B - BZP - Pack of 5

CODE: LNMFZP16100

£14.03 £16.84

Pitch:

1.00P

Grade:

Grade 4

Diameter:

M16

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

8mm

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M16 x 1.50P - Lock Nut Hexagon Grade 4 DIN 439B - BZP - Pack of 5

CODE: LNMFZP16150

£10.94 £13.13

Pitch:

1.50P

Grade:

Grade 4

Diameter:

M16

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

8mm

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M24 x 1.50P - Lock Nut Hexagon - BZP - Pack of 5

CODE: LNMFZP24150

From 1 reviews

£23.86 £28.63

Pitch:

1.50P

Diameter:

M24

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

12mm

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M30 x 2.00P - Lock Nut Hexagon Grade 4 DIN 439B - BZP

CODE: LNMFZP30200

£16.26 £19.51

Pitch:

2.00P

Grade:

Grade 4

Diameter:

M30

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

Thickness:

15mm

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M48 x 1.50P - Lock Nut Hexagon Grade 4 DIN 439B - BZP

CODE: LNMFZP48150

Only 1 left in stock

£38.44 £46.13

Pitch:

1.50P

Grade:

Grade 4

Diameter:

M48

Material:

Steel

Head Type:

Hex Head

Thread Type:

Metric Fine Pitch

Specification:

DIN 439B

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