RoHS compliance

All of our products are manufactured for reliability and consistently high quality and are RoHS compliant as standard.

 

Our bright zinc based platings are all high quality trivalent clear chromate based finishes.

 

Countersunk Closed End Blind Rivet Sheetnut

Countersunk Closed End
Blind Rivet Sheetnut

 

 

About Countersunk Closed End

Blind Rivet Sheetnuts

 

Blind Rivet Sheetnuts provide strong reusable threads in panels too thin to be conventionally tapped or in applications where only one side of the panel is accessible for installation - box section is a good example.

 

They can be installed into panels as thin as 0.5mm and do not suffer from the maximum hardness limitations of Self Clinching Nuts so are suitable for installation into Stainless Steel panels.

 

Countersunk Sheetnuts require a special tool for installation - tooling ranges from very low cost hand tooling for low volume, to air powered automatic installation guns for high volume applications.

 

Countersunk Sheetnuts also have an advantage over other captivated fasteners because they can be installed on site after a component has been assembled.

 

They can also be used for repair work to replace a previously installed fastener that has failed. The fact that they offer blind installation means that you don't have to have access to the back of the panel.

 

Available in Open Body and Closed styles, the countersunk head style gives a flush finish and requires a matching countersunk hole in the panel. Available in Steel, Stainless Steel and Aluminium.

 

Applications include :-

Automotive, Furniture, White Goods, Restoration, Electronics, Sheetmetal Fabrication.

 

Related Links

 

Blind Rivet Nuts

Thinsheet (TSA)

Thinsheet (TSE)

Thinsheet Closed (TSB)

Thinsheet Hexagon (HRS)

Thinsheet Hexagon (HRSE)

Countersunk (CRS)

Countersunk Closed (CRSB)

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Flathead Closed (FRSB)

OptiNut Technology

OptiNut TS Series

Optinut LF Series

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Countersunk Closed End
Blind Rivet Sheetnut
Type CRSB

Countersunk Closed End Blind Rivet Nut Dimensions

 

*Special order only

Thread

& Pitch

G
(Min / Max
Grip Range mm)

Hole Size
+ 0.1

- 0.0

D

± 0.2

d

+ 0.0

- 0.15

S

± 0.15

L

± 0.3

M3 x 0.5*

17 (1.1 - 1.7)
23 (1.7 - 2.3)

30 (2.3 - 3.0)

5.0 6.8 5.0 1.0

13.0
13.6

14.2

M4 x 0.7

21 (1.3 - 2.1)
29 (2.1 - 2.9)

37 (2.9 - 3.7)

6.0 7.8 6.0 1.0

16.6

17.4

18.2

M5 x 0.8

25 (1.5 - 2.5)

35 (2.5 - 3.5)

45 (3.5 - 4.5)

7.0 8.8 7.0 1.0

19.2

20.2

21.2

M6 x 1.0

25 (1.5 - 2.5)

35 (2.5 - 3.5)

45 (3.5 - 4.5)

55 (4.5 - 5.5)

9.0 10.8 9.0 1.0

23.4

24.4

25.4

26.4

M8 x 1.25

30 (1.8 - 3.0)

42 (3.0 - 4.2)

54 (4.2 - 5.4)

66 (5.4 - 6.6)

11.0 13.8 11.0 1.5

26.6

27.8

29.0

30.2

M10 x 1.5

37 (2.2 - 3.7)

52 (3.7 - 5.2)

68 (5.2 - 6.8)

13.0 15.8 13.0 1.5

34.3

35.8

37.3

 

Also available in splined body style for extra grip in soft materials (Type CRSBK)

 

Materials

Finishes

Steel

Stainless Steel (A2)

Aluminium (AL) - Special Order Only


Bright Zinc / Trivalent Clear Passivate (SZ)

Other finishes available to order
call our sales office for details.

Part Number Example

Type | Thread | Grip Range | Finish
i.e. : CRSB-M5-35-SZ
(Countersunk Closed End-M5-2.5 to 3.5mm grip- Steel-Zinc)