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Rivnut® Mechanical Properties

Rivnut® Mechanical Properties

Please note that the test data provided are averages of multiple test. This data is provided for comparative information only. Test data will vary with each actual application. Bollhoff suggests that tests are performed on actual application components before a Rivnut® fastener is specified.

Assembly Torques for Rivnut® and Rivstud® Fasteners

The following assembly torques are suggested for corresponding mating fasteners based on internationl fastening standards for Grade 5 and Metric Class 8.8 fasteners. Inch sizes shown in inch pounds, metric sizes show in Newton meters.

 Type 

 6-32 

8-32 

10-32 

1/4-20

5/16-18

3/8-16

1/2-13

 Steel Rivnut

12

22 

36 

75

156

276 

660 

 Type

 

M4 

M5

M6

M8

M10

M12

 Steel Rivnut  

2.5

 5.0

8.6

21.0

42.0

72.0

rivnut-mech-prop1.jpg 

Spin-Out Torques for Steel Rivnut® Fasteners in Steel Sheet Metal
Inch sizes shown in inch pounds, metric sizes show in Newton meters.                                      

 Type 

 Mat Tks 

6-32 

8-32 

10-32

1/4-20

5/16-18

3/8-16

1/2-13

 EZ Round

.030

19 

19 

21

39

60 

230

 
 EZ Hex

.030

 

35

71

110

170

290

 Type

 Mat Tks

M3

M4 

M5

M6

M8

M10

M12

 EZ Round  .76 mm

2.2

2.2

2.4

4.4

6.6

 26.9

 

 EZ Hex  .76 mm

4.0

8.1

12.6

19.4

32.8

rivnut-mech-prop2.jpg 

Pull-Out Strength for Rivnut® Fasteners in Steel Sheet Metal
Inch sizes shown in inch pounds, metric sizes show in Kilo Newton                                        

 Type 

 Mat Tks 

6-32 

8-32 

10-32

1/4-20

5/16-18

3/8-16

1/2-13

 EZ Round

.030

330 

330 

385

480

500 

590

 
 EZ Hex

.030

 

345

415

435

450

460

 Plusnut

.030

500

575

690

1215

1500

1675

 Type

 Mat Tks

M3

M4 

M5

M6

M8

M10

M12

 EZ Round  .76 mm

1.47

1.47

1.71

2.14

2.22

 2.62

 

 EZ Hex  .76 mm

1.54

1.85

1.93

2.00

2.05

 Plusnut

.76 mm

2.56

3.07

5.40

6.67

7.45

rivnut-mech-prop3.jpg 

Push-Out Strength for Rivnut® Fasteners in .125 Thick Metal
Inch sizes shown in inch pounds, metric sizes show in Kilo Newtons.                                      

 Type 

 Mat Tks 

1/4-20

5/16-18

3/8-16

1/2-13

 EZ Round

.120

950

1650 

1900

 
 EZ Hex

.120

1875

2150

2250

 Rivnut®

.120

2025

2800

3600

3775

 Type

 Mat Tks

M6

M8

M10

M12

 EZ Round

3 mm

4.2

7.3

 8.4

 

 EZ Hex

3 mm

8.3

9.5

10.0

 Rivnut®

3 mm

9.0

12.4

16.0

16.5

rivnut-mech-prop4.jpg