Insert Nuts and remove the need for general-purpose nuts and tapping threads. They are an excellent choice when one side of the application is accessible, which means the other side is blind.  The Flat Head Insert Nuts are for customer Hex hole and large head requirements.

The material grade available for hex insert nuts are

  • Steel Hex Flat Head Insert Nuts, Zinc Plated clear trivalent passivated

The thread sizes of Hex Flathead Insert Nuts are available as per 0.5 to 3 mm grip range (1 GR) and 3 to 6mm grip range (2GR)

  • M4 Hex Flat Head Open Insert Nuts / M4 Hex Flat Head Closed Insert Nuts
  • M5 Hex Flat Head Open Insert Nuts / M5 Hex Flat Head Closed Insert Nuts
  • M6 Hex Flat Head Open Insert Nuts / M6 Hex Flat Head Closed Insert Nuts
  • M8 Hex Flat Head Open Insert Nuts / M8 Hex Flat Head Closed Insert Nuts
  • M10 Hex Flat Head Open Insert Nuts / M10 Hex Flat Head Closed Insert Nuts

Open End

Hex Body, Flat Head – Steel

Material : Steel

Finish : Zinc Plated clear trivalent passivated

Hex Large Head /Hex Flat Head Insert Nut

Metric / 6H

Hex Body, Flat Head – Steel – Europeon  

Thread Size

Grip Range

Hole Size

Body Dia

Body Length

Head Diameter

Head Height

Recommended Max Torque

Pull-out

Torque-To-Turn

Push-out

Part Number

(min ~ max)

A (max)

M (+/- 0.2)

B (+/- 0.3)

D (+/- 0.2)

Nm (max)

kN

Nm (min)

kN

M4 X 0.7

0.5 ~ 2.5

6.0

5.95

10.3

9.0

0.9

5.1

6.3

4.5

2.2

M4-H-FH-S-E

M5 X 0.8

0.5 ~ 3.0

7.0

6.95

12.0

10.0

1.0

7.9

8.8

8.6

3.6

M5-H-FH-S-E

M6 x 1.0

0.5 ~ 3.3

9.0

8.95

14.5

13.0

1.5

12.4

14.4

11.9

5.3

M6-H-FH-S-E

M8 X 1.25

0.5 ~ 3.3

11.0

10.95

16.5

16.0

1.5

32.0

15.0

25.0

8.0

M8-H-FH-S-E

M10 X 1.5

0.5 ~ 3.5

13.0

12.95

22.0

19.0

2.0

45.0

19.7

45.2

9.2

M10-H-FH-S-E

Hex Body, Flat Head – Long – Steel – Europeon  

M4 X 0.7

2.0 ~ 3.5

6.0

5.95

11.8

9.0

0.9

5.1

6.3

4.5

2.2

M4-H-FH-L-S-E

M5 X 0.8

3.0 ~ 4.5

7.0

6.95

13.5

10.0

1.0

7.9

8.8

8.6

3.6

M5-H-FH-L-S-E

M6 x 1.0

3.0 ~ 5.0

9.0

8.95

16.5

13.0

1.5

12.4

14.4

11.9

5.3

M6-H-FH-L-S-E

M8 X 1.25

3.0 ~ 5.0

11.0

10.95

19.0

16.0

1.5

32.0

15.0

25.0

8.0

M8-H-FH-L-S-E

M10 X 1.5

3.0 ~ 5.5

13.0

12.95

23.5

19.0

2.0

45.0

19.7

45.2

9.2

M10-H-FH-L-S-E

Close End

Hex Body, Flat Head – Close Type –  Steel

Material : Steel

Finish : Zinc Plated clear trivalent passivated

Hex Body, Flat Head – Close Type – Steel – Europeon  

Thread Size

Grip Range

Hole Size

Body Dia

Body Length

Head Diameter

Head Height

Recommended Max Torque

Pull-out

Torque-To-Turn

Push-out

Part Number

(min ~ max)

A (max)

M (+/- 0.2)

B (+/- 0.3)

D (+/- 0.2)

Nm (max)

kN

Nm (min)

kN

M4 X 0.7

0.5 ~ 2.5

6.0

5.95

14.0

9.0

0.9

5.1

6.3

4.5

2.2

M4-H-FH-CT-S-E

M5 X 0.8

0.5 ~ 3.0

7.0

6.95

19.0

10.0

1.0

7.9

8.8

8.6

3.6

M5-H-FH-CT-S-E

M6 x 1.0

0.5 ~ 3.3

9.0

8.95

21.5

13.0

1.5

12.4

14.4

11.9

5.3

M6-H-FH-CT-S-E

M8 X 1.25

0.5 ~ 3.3

11.0

10.95

25.0

16.0

1.5

32.0

15.0

25.0

8.0

M8-H-FH-CT-S-E

M10 X 1.5

0.5 ~ 3.5

13.0

12.95

31.0

19.0

2.0

45.0

19.7

45.2

9.2

M10-H-FH-CT-S-E