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Metric Hex Bolt And Set

Hex Bolt And Hex Set Products

Hex bolts (Partially threaded) and Hex set bolts (Fully threaded). Available in steel grade 8.8, steel grade 10.9 and stainless steel A-2 (18-8). Available in coarse, medium and fine pitch threads.

Thread
diameter mm

Thread Pitch

Standard coarse thread

Medium fine

Extra or Super Fine

Japanese Standard JIS

2

.4

-

-

.4

2.5

.45

-

-

.45

3

.5

-

-

.5

4

.7

-

-

.7

5

.8

-

-

.8

6

1.0

.8

-

1.0

7

1.0

-

-

1.0

8

1.25

1

-

1.0

10

1.5

1.25

1

1.25

12

1.75

1.5

1.25

1.25

14

2

1.5

-

1.5

16

2

1.5

-

1.5

18

2.5

1.5

-

1.5

20

2.5

1.5

-

1.5

 

Thread
diameter mm

Standard thead length mm*

Bolts 125mm and shorter

Bolts longer than 125mm

3

12

-

4

14

-

5

16

22

6

18

24

7

20

26

8

22

28

10

26

32

12

30

36

14

34

40

16

38

44

18

42

48

20

46

52

* Warning: Some bolts may vary from the standard thread length.

 

Metric hexagon set bolts

Hex set bolt
A full thread bolt has threads all the way up to the hex head.
Stainless steel
A-2 stainless is equivalent to 18-8 stainless. It is an alloy with high corrosion resistance and is the material of choice for most exterior and marine applications.
Steel 8.8 grade (HT) High tensile
Made from medium carbon steel available zinc plated. Best for general use. 
 Steel 10.9 grade
Made from alloy steel quenched, tempered, available zinc plated. Often used for automotive use and other areas where high strength is needed.

Metric hexagon bolts

Metric hex bolts
A partialially threaded bolt has a hex head and a smooth shoulder area between the standard amount of threading. Available in coarse, medium and fine pitch threads.
Stainless Steel
A-2 stainless is equivalent to 18-8 stainless. It is an alloy with high corrosion resistance and is the material of choice for most exterior and marine applications
Steel 8.8 grade (HT) High tensile
Made from medium carbon steel available zinc plated. Best for general use.
Steel 10.9 grade
Made from alloy steel quenched, tempered, available zinc plated. Often used for automotive use and other areas where high strength is needed.