Round Rivet Bushes Serrated Shoulder

Contact us You can contact us using any of the methods below. Unit 3 Durham Lane Armthorpe Doncaster South Yorkshire DN3 3FE England +44 (0)1302 836010 +44 (0)1302 831555 sales@npfasteners.com

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NORTHERN PRECISION LTD

Specialist Fasteners for Sheet Metal

+44 (0) 1302 836010

+44 (0) 1302 831555

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sales@npfasteners.com

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OUR PRODUCT RANGE

SERVICES & SUPPORT

RIVET BUSHES

Round Rivet Bush Serrated Shoulder Round Rivet Bush Knurled Spigot Hexagon Rivet Bush Round Rivet Bush for Clinch Nut Hole Size Mini Rivet Bush Serrated Shoulder Mini Rivet Bush Knurled Spigot Round Rivet Bush Standoff Serrated Shoulder Round Rivet Bush Standoff Knurled Spigot Mini Rivet Bush Standoff Serrated Shoulder Mini Rivet Bush Standoff Knurled Spigot Tank Closed End Rivet Bush Panel Thickness Gauge Chart

Installation Method

Punch or drill specified hole size. Ensure that you are using the correct gauge fastener for the panel thickness used. Place part in anvil and locate panel hole over spigot.

Using a profiled punch, ensuring panel is held perpendicular to the punch and anvil face, apply a parallel squeezing force to form the correct spigot profile.

Alternatively, a domed anvil or a ball bearing and hammer can be used to form the spigot profile, however this will not give optimum performance.

For optimum performance, installing with a profiled punch is highly recommended. A flat punch can also be used but will result in reduced push-out performance.

Thread size

Torque to Turn (Nm)

Push-Out (N)

20swg

18swg

16swg

14swg

12swg

10swg

20swg

18swg

16swg

14swg

12swg

10swg

M2.5

M3.5

1.9

3.0

4.5

7.6

8.5

2.0

3.2

4.8

8.5

10.4

2.1

3.7

5.5

10.3

14.2

2.3

4.2

6.0

12.4

15.4

2.5

4.7

6.8

13.5

16.5

2.7

5.2

7.2

14.5

17.0

1000

1025

1100

1350

1500

1250

1400

1575

1850

2000

1400

1650

1875

2100

3500

1550

1700

1975

3000

4700

1650

2000

2250

3225

5450

1750

2150

2400

3400

5550

Performance

Panel thickness ranges shown are preferred range. Other sizes are subject to availability or special order.

All performance figures are averages obtained over a range of installations for steel parts in mild steel panels and should be used for guidance only. Fastener material, panel material, hole preparation, installation tooling and method can affect part performance. Actual in-use torque to turn resistance increases with clamping load. We always recommend that you carry out your own tests in the actual application. Please call our sales team and we will be happy to provide you with samples as well as offering technical assistance.

Material & Finish

Unplated Steel (GX) Electro Zinc Plated Steel (GZ) 303 Stainless Steel (GS) 316 Stainless Steel (A4) Aluminium (GA) Brass (GB)

Part Number Examples

Part number is made up as follows: (Type)-(Thread code)-(Panel thickness)-(Material/Finish code) For example: BRH-M3-10-GZ (Round Rivet Bush Serrated Shoulder-M3-10swg sheet thickness-electro zinc plated steel) BRH-M4-20-GS (Round Rivet Bush Serrated Shoulder-M4-20swg sheet thickness-stainless steel)

Panel Thickness Gauge Chart Downloadable Data Sheet Back

Dimensional

Thread Size

M2.5 x 0.45

M3 x 0.5

M3.5 x 0.6

M4 x 0.7

M5 x 0.8

M6 x 1.0

M8 x 1.25

M10 x 1.5

M12 x 1.75

To suit panel thickness

20 - 10swg (1.0 - 3.0mm)

Hole Size +0.05 -0.0

5.54

6.73

7.92

9.52

12.70

15.87

19.05

D ±0.15

7.92

9.52

11.10

12.70

15.87

19.05

25.40

H ±0.13

3.17

3.81

5.08

6.35

7.62

10.16

C +0.0 -0.13

5.54

6.73

7.92

9.52

12.70

15.87

19.05

Info

Round Rivet Bushes provide strong reusable captivated threads in panels too thin to be conventionally tapped. They can be installed into panels as thin as 0.5mm and do not suffer from the maximum hardness or centreline to edge limitations of self-clinching nuts so are suitable for installation into panels of any hardness such as hard stainless steels or in close to edge applications. Featuring a radially serrated shoulder, this style of rivet bush offers excellent torque to turn resistance while maximising spigot strength to resist push-out. Manufactured to suit a specific panel thickness, we can manufacture parts with custom dimensions to suit your particular application. Available from stock in metric thread sizes in steel, electro zinc plated steel and stainless steel. We can also supply Unified, BA, BSW and BSP thread sizes subject to minimum order quantities. 316 stainless steel, aluminium and brass rivet bushes are available to order subject to minimum order quantities. Ideally Rivet Bushes should be installed using a press with a suitability profiled punch by applying a parallel squeezing force, however they can be installed using a hammer and ball bearing to form the spigot profile.

ROUND RIVET BUSH SERRATED SHOULDER