The round flat head insert nuts are of the round body and flat heads. Below material Grades are available in round insert nuts

  • Steel Round Flat Head Insert Nuts, Zinc Plated clear trivalent passivated
  • Stainless Steel Round Flat Head Insert Nuts.

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

  • M3 Round Flat Head Open Insert Nuts
  • M4 Round Flat Head Open Insert Nuts / M4 Round Flat Head Closed Insert Nuts
  • M5 Round Flat Head Open Insert Nuts / M5 Round Flat Head Closed Insert Nuts
  • M6 Round Flat Head Open Insert Nuts / M6 Round Flat Head Closed Insert Nuts
  • M8 Round Flat Head Open Insert Nuts / M8 Round Flat Head Closed Insert Nuts
  • M10 Round Flat Head Open Insert Nuts / M10 Round Flat Head Closed Insert Nuts
  • M12 Round Flat Head Open Insert Nuts

Open End

Round Body With Groove, Flat Head – Steel

Material : Steel

Finish : Zinc Plated clear trivalent passivated

Round Large Head / flat Head Insert Nut

Metric / 6H

Round Body With Groove, 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

M3 X 0.5

0.5 ~ 2.0

5.0

4.96

9.7

8.0

0.8

1.5

4.2

1.1

1.8

M3-R-G-FH-S-E

M4 X 0.7

0.5 ~ 2.5

6.0

5.96

10.5

9.0

0.8

5.1

5.5

2.2

2.9

M4-R-G-FH-S-E

M5 X 0.8

0.5 ~ 2.5

7.0

6.96

12.0

10.0

1.0

7.9

8.0

3.4

4.2

M5-R-G-FH-S-E

M6 x 1.0

1.0 ~ 3.5

9.0

8.96

14.5

13.0

1.5

12.4

10.8

4.7

6.5

M6-R-G-FH-S-E

M8 X 1.25

1.0 ~ 4.0

11.0

10.96

16.0

16.0

1.5

32.0

12.5

6.8

7.9

M8-R-G-FH-S-E

M10 X 1.5

1.0 ~ 4.0

13.0

12.96

22.0

19.0

2.0

45.0

17.3

16.7

10.7

M10-R-G-FH-S-E

M12 X 1.75

1.0 ~ 5.0

16.0

15.96

23.5

22.0

2.0

N/A

N/A

N/A

N/A

M12-R-G-FH-S-E

Round Body With Groove, Flat Head – Long – Steel – Europeon

M4 X 0.7

2.5 ~ 3.5

6.0

5.96

11.7

9.0

0.8

5.1

5.5

2.2

2.9

M4-R-G-FH-L-S-E

M5 X 0.8

2.5 ~ 4.5

7.0

6.96

13.5

10.0

1.0

7.9

8.0

3.4

4.2

M5-R-G-FH-L-S-E

M6 x 1.0

3.0 ~ 5.0

9.0

8.96

17.0

13.0

1.5

12.4

10.8

4.7

6.5

M6-R-G-FH-L-S-E

M8 X 1.25

3.5 ~ 5.5

11.0

10.96

19.5

15.0

1.5

32.0

12.5

6.8

7.9

M8-R-G-FH-L-S-E

M10 X 1.5

3.5 ~ 5.5

13.0

12.96

23.5

19.0

2.0

45.0

17.3

16.7

10.7

M10-R-G-FH-L-S-E

Close End

Round Body With Groove, Flat Head – Close Type – Steel

Material : Steel

Finish : Zinc Plated clear trivalent passivated

Round Body With Groove, 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

M3 X 0.5

0.5 ~ 2.5

6.0

5.96

14.9

9.0

0.8

5.1

5.5

1.5

2.9

M4-R-G-FH-CT-S-E

M5 X 0.8

0.5 ~ 2.5

7.0

6.96

17.0

10.0

1.0

7.9

8.0

3.0

4.2

M5-R-G-FH-CT-S-E

M6 x 1.0

1.0 ~ 3.5

9.0

8.96

20.0

13.0

1.5

12.4

10.8

3.4

6.5

M6-R-G-FH-CT-S-E

M8 X 1.25

1.0 ~ 4.0

11.0

10.96

23.5

16.0

1.5

32.0

12.5

5.6

7.9

M8-R-G-FH-CT-S-E

M10 X 1.5

1.0 ~ 4.0

13.0

12.96

31.0

19.0

2.0

45.0

17.3

16.7

10.7

M10-R-G-FH-CT-S-E

Open End

Round Body With Groove, Flat Head – Stainless Steel

Material : Stainless Steel

Finish : Natural

Round Body With Groove, Flat Head – Close Type – Steel – Europeon

Metric / 6H

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

M3 X 0.5

0.5 ~ 2.0

5.0

4.95

9.0

8.0

0.8

4.0

8.2

0.4

2.0

M3-R-G-FH-ST-E

M4 X 0.7

0.5 ~ 2.5

6.0

5.95

11.0

9.0

1.0

5.6

9.2

1.9

3.0

M4-R-G-FH-ST-E

M5 X 0.8

0.5 ~ 3.0

7.0

6.95

12.0

10.0

1.0

11.3

12.0

2.6

4.7

M5-R-G-FH-ST-E

M6 x 1.0

0.5 ~ 3.0

9.0

8.95

14.0

12.0

1.5

16.9

18.3

3.4

5.3

M6-R-G-FH-ST-E

M8 X 1.25

0.5 ~ 3.0

11.0

10.95

16.0

15.0

1.5

22.6

24.2

3.6

7.2

M8-R-G-FH-ST-E

M10 X 1.5

1.0 ~ 3.5

13.0

12.95

19.0

17.0

2.0

33.8

33.9

4.2

8.7

M10-R-G-FH-ST-E

Round Body With Groove, Flat Head – Long – Stainless Steel – Europeon

M4 X 0.7

2.5 ~ 4.0

6.0

5.95

12.5

9.0

1.0

5.6

9.2

1.9

3.0

M4-R-G-FH-L-ST-E

M5 X 0.8

3.0 ~ 4.5

7.0

6.95

13.5

10.0

1.0

11.3

12.0

2.6

4.7

M5-R-G-FH-L-ST-E

M6 x 1.0

3.0 ~ 5.0

9.0

8.95

16.0

12.0

1.5

16.9

18.3

3.4

5.3

M6-R-G-FH-L-ST-E

M8 X 1.25

3.0 ~ 5.5

11.0

10.95

18.5

15.0

1.5 22.6

24.2

3.6

7.2

M8-R-G-FH-L-ST-E

M10 X 1.5

3.5 ~ 6.0

13.0

12.95

21.5

17.0

2.0

33.8

33.9

4.2

8.7

M10-R-G-FH-L-ST-E

Close End

Round Body With Groove, Flat Head – Close Type – Stainless Steel

Material : Stainless Steel

Finish : Natural

Round Body With Groove, Flat Head – Close Type – Stainless Steel – Europeon

M4 X 0.7

0.5 ~ 2.5

6.0

5.90

16.0

9.0

1.0

5.6

9.2

1.9

3.0

M4-R-G-FH-CT-ST-E

M5 X 0.8

0.5 ~ 3.0

7.0

6.90

18.0

10.0

1.0

11.3

12.0

2.6

4.7

M5-R-G-FH-CT-ST-E

M6 x 1.0

0.5 ~ 3.0

9.0

8.90

21.0

12.0

1.5

16.9

18.3

3.4

5.3

M6-R-G-FH-CT-ST-E

M8 X 1.25

0.5 ~ 3.0

11.0

10.90

23.5

15.0

1.5

22.6

24.2

3.6

7.2

M8-R-G-FH-CT-ST-E

M10 X 1.5

1.0 ~ 3.5

13.0

12.90

26.5

17.0

2.0

33.8

33.9

4.2

8.7

M10-R-G-FH-CT-ST-E

Open End

Round Body With Groove, Countersunk Head – Stainless Steel

Material : Stainless Steel

Finish : Natural

Round Body With Groove, Countersunk Head – Stainless Steel – Europeon

Metric / 6H

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

M3 X 0.5

0.5 ~ 2.0

5.0

4.95

11.3

6.6

1.0

4.0

8.2

0.4

1.0

M3-R-G-CSK-ST-E

M4 X 0.7

1.5 ~ 4.0

6.0

5.90

12.0

9.0

1.5

5.6

9.2

1.9

2.0

M4-R-G-CSK-ST-E

M5 X 0.8

1.5 ~ 4.5

7.0

6.90

13.5

10.0

1.5

11.3

12.0

2.6

2.7

M5-R-G-CSK-ST-E

M6 x 1.0

1.5 ~ 4.5

9.0

8.90

16.0

12.0

1.5

16.9

18.3

3.4

2.9

M6-R-G-CSK-ST-E

M8 X 1.25

1.5 ~ 4.5

11.0

10.90

18.0

14.0

1.5

22.6

24.2

3.6

3.2

M8-R-G-CSK-ST-E

M10 X 1.5

1.5 ~ 4.5

13.0

12.90

20.5

15.2

1.5

33.8

33.9

4.2

4.2

M10-R-G-CSK-ST-E