M6

M8

M20

M16

M12

M10

5/8

5/16

3/8

1/4

1/2

16mm

20mm

75mm

80mm

65mm

70mm

60mm

50mm

55mm

45mm

35mm

40mm

25mm

30mm

100mm

12mm

10mm

90mm

8mm

130mm

110mm

120mm

85mm

3/4"

4 1/2"

2 1/4"

1

1 1/4"

5/16"

5/8"

3/8"

2"

2 1-/2"

1 3/4"

1 1/2"

1"

1/2"

4"

3 1/2"

3 1/4"

3"

2-1/4"

2 3/4"

2 1/2"

1-1/2"

5"

2-1/2"

Zinc Plated

Nickel Plated