Thread Diameter
of BOLTS or SCREWS

HEX BOLTS

HEAVY HEX BOLTS

HEAVY HEX STRUCTURAL BOLTS

Use wrench or socket size shown below

M1.6 x 0.35

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M2 x 0.4

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M2.5 x 0.45

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M3 x 0.5

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—

M3.5 x 0.6

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—

M5 x 0.7

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—

M5 x 0.8

8.00

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M6 x 1

10.00

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M8 x 1.25

13.00

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M10 x 1.5

15.00 & 16.00

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M12 x 1.75

18.00

21.00

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M14 x 2

21.00

24.00

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M16 x 2

24.00

27.00

27.00

M20 x 2.5

30.00

34.00

34.00

M22 x 2.5

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36.00

M24 x 3

36.00

41.00

41.00

M27 x 3

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46.00

M30 x 3.5

46.00

50.00

50.00

M36 x 4

55.00

60.00

60.00

M42 x 4.5

65.00

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M48 x 5

75.00

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M56 x 5.5

85.00

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M64 x 6

95.00

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M72 x 6

105.00

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M80 x 6

115.00

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M90 x 6

130.00

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M100 x 6

145.00

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