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Fasteners & Hardware

Blind rivets

FLOK supplies multi-grip, heavy-duty, combination and sealed blind rivets in all sizes, made of stainless steel, copper, aluminium and zinc-plated steel.

A blind rivet is a fastener in the form of a cylindrical shaft with a head on one side. It is used to join sheet materials by mechanical deformation: the flattened shaft clamps both sides of the joint.

Why choose blind rivets

Blind rivets are easy to install and provide a reliable permanent joint. Installation requires a hand or pneumatic rivet gun. This type of fastener is widely used in automotive and shipbuilding, in the manufacture of machinery, machine tools and other equipment where sheet materials need to be joined securely. For more critical applications, such as aircraft manufacturing, a threaded variant of this fastener is used — it increases the strength and reliability of the joint.

Material of blind rivets

FLOK supplies blind rivets made of the following materials:

  • Stainless steel A2 and A4
  • Copper
  • Aluminium
  • Zinc-plated steel

When choosing fasteners, the composition of the sheet material to be joined must be carefully considered. There is a risk of forming a “galvanic pair,” which can lead to corrosion. For example, aluminium blind rivets are not suitable for steel surfaces: the non-ferrous metal can quickly oxidize and deform.

There are four types of blind rivets:

  • Multi-grip
  • Heavy-duty
  • Combination
  • Sealed

A pull-type blind rivet is a type of fastener used to achieve the tightest possible joint between several elements. It is a steel or aluminium shaft, one end of which is fitted with a special sleeve and washer. After being driven into the base material, it flattens and forms a rounded head matching the diameter of the hole.

A pull-type rivet differs from a bolt, self-tapping screw or machine screw in that it has no thread. The elements are joined by pre-drilling a hole sized to match the rivet diameter to ensure joint strength. The head may be exposed or countersunk, sitting flush with the outer surface.

Pull-type blind rivets are most often used by builders for work with metal, plasterboard and other materials. Installation is performed with a rivet gun. The fastener is inserted into the pre-drilled hole and pressed in by the washer. The end of the rivet is gripped by the tool and pulled, which crushes the sleeve and secures it to the base material.

Various types of steel, including corrosion-resistant grades, as well as aluminium alloys, are used to manufacture rivets. Aluminium rivets are not designed for high dynamic and vibration loads, but they withstand environmental exposure well.

FLOK supplies blind rivets across the full size range in any material.

Thickness of joined materials and hole diameter for combination blind rivet CO/ST, mm

Rivet sizeThickness of materials being joinedFlange diameterHole diameter
2.4×61.5 - 4.05.02.5 - 2.6
2.4×84.0 - 6.0
2.4×106.0 - 8.0
3.0 x 61.5 - 3.56.03.1 - 3.2
3.0 x 83.5 - 5.5
3.0 x 105.5 - 7.0
3.0 x 127.0 - 9.0
3.0 x 149.0 - 12.0
3.2 x 61.5 - 3.56.03.3 - 3.4
3.2 x 83.5 - 5.0
3.2 x 105.0 - 7.0
3.2 x 127.0 - 9.0
3.2 x 149.0 - 10.5
3.2 x 1610.5 - 13.0
4.0 x 61.5 - 3.07.54.1 - 4.2
4.0 x 83.0 - 5.0
4.0 x 105.0 - 6.5
4.0 x 126.5 - 8.5
4.0 x 148.5 - 10.5
4.0 x 1610.5 - 12.5
4.8 x 61.0 - 3.59.04.9 - 5.0
4.8 x 82.0 - 4.5
4.8 x 104.5 - 6.0
4.8 x 126.0 - 8.0
4.8 x 148.0 - 10.0
4.8 x 1610.0 - 12.0
5.0 x 82.5 - 4.59.05.1 - 5.2
5.0 x 104.5 - 6.0
5.0 x 126.0 - 8.0
5.0 x 148.0 - 10.0
5.0 x 1610.0 - 12.0

Thickness of joined materials and hole diameter for blind rivet A2/A2, mm

Rivet sizeThickness of materials being joinedFlange diameterHole diameter
3.2 x 83.5 - 5.09.53.3 - 3.4
3.2 x 105.0 - 7.0
3.2 x 127.0 - 9.0
3.2 x 149.0 - 11.0
3.2 x 1611.0 - 13.0
124.1 - 4.2
4.0 x 83.0 - 5.0
4.0 x 105.0 - 6.5
4.0 x 126.5 - 8.5
4.0 x 148.5 - 10.5
4.0 x 1610.5 - 12.5
4.8 x 81.0 - 4.5164.9 - 5.0
4.8 x 104.5 - 6.0
4.8 x 126.0 - 8.0
4.8 x 148.0 - 10.0
4.8 x 1610.0 - 12.0
4.8 x 1812.0 - 14.0
4.8 x 2014.0 - 16.0
4.8 x 2216.0 - 18.0
4.8 x 2518.0 - 21.0

Thickness of joined materials and hole diameter for closed-end blind rivet, mm

SizeThickness of materials being joinedFlange diameterHole diameter
3.2 x 82.0 - 3.56.03.3+0.1
3.2 x 9.53.5 - 5.0
3.2×10.55.0 - 6.5
3.2 x 126.5 - 8.0
3.2 x 148.0 - 10.0
3.2 x 169.0 - 11.0
4.0 x 80.5 - 3.58.04.1+0.1
4.0 x 9.53.5 - 4.5
4.0 x 114.5 - 6.5
4.0 x 12.56.5 - 8.0
4.0 x 148.0 - 9.5
4.0 x 169.5 - 11.5
4.8 x 81.0 - 3.09.54.9+0.1
4.8 x 9.53.0 - 4.5
4.8 x 114.5 - 6.0
4.8 x 12.56.0 - 7.5
4.8 x 147.5 - 9.0
4.8 x 169.0 - 11.0
4.8 x 1811.0 - 13.0
4.8 x 2113.0 - 16.0
4.8 x 2516.0 - 20.0

Thickness of joined materials and hole size for copper blind rivet, mm

Rivet sizeThickness of materials being joinedFlange diameterHole diameter
3.0 x 61.5 - 3.56.53.1 - 3.2
3.0 x 83.5 - 5.5
3.0 x 105.5 - 7.0
3.0 x 127.0 - 9.0
3.0 x 149.0 - 11.0
3.0 x 1611.0 - 13.0
3.0 x 1813.0 - 15.0
3.0 x 2015.0 - 17.0
3.2 x 61.5 - 3.56.53.3 - 3.4
3.2 x 83.5 - 5.0
3.2 x 105.0 - 7.0
3.2 x 127.0 - 9.0
3.2 x 149.0 - 11.0
3.2 x 1611.0 - 13.0
3.2 x 1813.0 - 15.0
3.2 x 2015.0 - 17.0
3.2 x 2520.0 - 22.0
4.0 x 61.5 - 3.08.04.1 - 4.2
4.0 x 83.0 - 5.0
4.0 x 105.0 - 6.5
4.0 x 126.5 - 8.5
4.0 x 148.5 - 10.5
4.0 x 1610.5 - 12.5
4.0 x 1812.5 - 14.5
4.0 x 2014.5 - 16.5
4.0 x 2216.5 - 18.0
4.0 x 2518.0 - 21.5
4.0 x 2618.5 - 22.5
4.0 x 2821.5 - 24.0
4.0 x 3021.5 - 26.0
4.8 x 61.0 - 3.09.54.9 - 5.0
4.8 x 83.0 - 4.5
4.8 x 104.5 - 6.0
4.8 x 126.0 - 8.0
4.8 x 148.0 - 10.0
4.8 x 1610.0 - 12.0
4.8 x 1812.0 - 14.0
4.8 x 2014.0 - 16.0
4.8 x 2216.0 - 18.0
4.8 x 2316.5 - 19.0
4.8 x 2417.0 - 20.0
4.8 x 2518.0 - 21.0
4.8 x 2821.0 - 23.5
4.8 x 3023.0 - 25.0
4.8 x 3225.0 - 27.0
4.8 x 3525.0 - 30.0
4.8 x 4030.0 - 35.0
4.8 x 5040.0 - 45.0
5.0 x 60.5 - 2.59.55.1 - 5.2
5.0 x 82.5 - 4.5
5.0 x 104.5 - 6.0
5.0 x 126.0 - 8.0
5.0 x 148.0 - 10.0
5.0 x 1610.0 - 12.0
5.0 x 1812.0 - 14.0
5.0 x 2114.0 - 17.0
5.0 x 2517.0 - 20.0
5.0 x 2720.0 - 23.0
5.0 x 3023.0 - 25.0
6.0 x 82.0 - 4.012.06.1 - 6.2
6.0 x 104.0 - 6.0
6.0 x 126.0 - 8.0
6.0 x 147.0 - 9.0
6.0 x 169.0 - 11.0
6.0 x 1811.0 - 13.0
6.0 x 2213.0 - 17.0
6.0 x 2617.0 - 20.0
6.0 x 3020.0 - 24.0
6.4 x 82.0 - 4.013.06.5 - 6.6
6.4 x 102.0 - 5.0
6.4 x 124.0 - 6.0
6.4 x 146.0 - 8.0
6.4 x 168.0 - 11.0
6.4 x 189.0 - 13.0
6.4 x 2011.0 - 15.0
6.4 x 2213.0 - 16.0
6.4 x 2515.0 - 19.0
6.4 x 2616.0 - 20.0
6.4 x 2817.0 - 22.0
6.4 x 3018.0 - 24.0
6.4 x 3222.0 - 26.0
6.4 x 3524.0 - 30.0
6.4 x 4030.0 - 35.0
6.4 x 4535.0 - 40.0
SizeThickness of materials being joinedFlange diameterHole diameter
3.2 x 82.0 - 3.56.03.3+0.1
3.2 x 9.53.5 - 5.0
3.2×10.55.0 - 6.5
3.2 x 126.5 - 8.0
3.2 x 148.0 - 10.0
3.2 x 169.0 - 11.0
4.0 x 80.5 - 3.58.04.1+0.1
4.0 x 9.53.5 - 4.5
4.0 x 114.5 - 6.5
4.0 x 12.56.5 - 8.0
4.0 x 148.0 - 9.5
4.0 x 169.5 - 11.5
4.8 x 81.0 - 3.09.54.9+0.1
4.8 x 9.53.0 - 4.5
4.8 x 114.5 - 6.0
4.8 x 12.56.0 - 7.5
4.8 x 147.5 - 9.0
4.8 x 169.0 - 11.0
4.8 x 1811.0 - 13.0
4.8 x 2113.0 - 16.0
4.8 x 2516.0 - 20.0
SizeddkKR maxd1L1Tensile force NShear force N
3.23.2 +0.08-0.109.5 +0.3-0.72 ±0.20.21.702712851060
4.04.0 +0.08-0.1512.0 +0.5-1.02.5 ±0.30.32.102719901550
4.84.8 +0.08-0.1516.0 -1.02.5 ±0.30.32.702729202300
SizeThickness of materials being joinedFlange diameterHole diameter
3.2 x 83.5 - 5.09.53.3 - 3.4
3.2 x 105.0 - 7.0
3.2 x 127.0 - 9.0
3.2 x 149.0 - 11.0
3.2 x 1611.0 - 13.0
4.0 x 83.0 - 5.0124.1 - 4.2
4.0 x 105.0 - 6.5
4.0 x 126.5 - 8.5
4.0 x 148.5 - 10.5
4.0 x 1610.5 - 12.5
4.8 x 81.0 - 4.5164.9 - 5.0
4.8 x 104.5 - 6.0
4.8 x 126.0 - 8.0
4.8 x 148.0 - 10.0
4.8 x 1610.0 - 12.0
4.8 x 1812.0 - 14.0
4.8 x 2014.0 - 16.0
4.8 x 2216.0 - 18.0
4.8 x 2518.0 - 21.0
SizeddkKR maxd1L1Tensile force NShear force N
3.03.0 +0.08-0.106.5 -0.70.8 ±0.20.21.902720001600
3.23.2 +0.08-0.106.5 -0.70.8 ±0.20.22.002725001800
4.04.0 +0.08-0.158.0 -1.01.0 ±0.30.32.502738003100
4.84.8 +0.08-0.159.5 -1.01.1 ±0.30.32.902760004500
5.05.0 +0.08-0.159.5 -1.01.1 ±0.30.32.902765005000
6.06.0 +0.08-0.1512.0 -1.51.5 ±0.40.43.602788506500
6.46.4 +0.08-0.1513 -1.51.8 ±0.40.53.852788506500
Rivet sizeThickness of materials being joinedFlange diameterHole diameter
3.0 x 61.5 - 3.56.53.1 - 3.2
3.0 x 83.5 - 5.5
3.0 x 105.5 - 7.0
3.0 x 127.0 - 9.0
3.0 x 149.0 - 11.0
3.0 x 1611.0 - 13.0
3.0 x 1813.0 - 15.0
3.0 x 2015.0 - 17.0
3.2 x 61.5 - 3.56.53.3 - 3.4
3.2 x 83.5 - 5.0
3.2 x 105.0 - 7.0
3.2 x 127.0 - 9.0
3.2 x 149.0 - 11.0
3.2 x 1611.0 - 13.0
3.2 x 1813.0 - 15.0
3.2 x 2015.0 - 17.0
3.2 x 2520.0 - 22.0
4.0 x 61.5 - 3.08.04.1 - 4.2
4.0 x 83.0 - 5.0
4.0 x 105.0 - 6.5
4.0 x 126.5 - 8.5
4.0 x 148.5 - 10.5
4.0 x 1610.5 - 12.5
4.0 x 1812.5 - 14.5
4.0 x 2014.5 - 16.5
4.0 x 2216.5 - 18.0
4.0 x 2518.0 - 21.5
4.0 x 2618.5 - 22.5
4.0 x 2821.5 - 24.0
4.0 x 3021.5 - 26.0
4.8 x 61.0 - 3.09.54.9 - 5.0
4.8 x 83.0 - 4.5
4.8 x 104.5 - 6.0
4.8 x 126.0 - 8.0
4.8 x 148.0 - 10.0
4.8 x 1610.0 - 12.0
4.8 x 1812.0 - 14.0
4.8 x 2014.0 - 16.0
4.8 x 2216.0 - 18.0
4.8 x 2316.5 - 19.0
4.8 x 2417.0 - 20.0
4.8 x 2518.0 - 21.0
4.8 x 2821.0 - 23.5
4.8 x 3023.0 - 25.0
4.8 x 3225.0 - 27.0
4.8 x 3525.0 - 30.0
4.8 x 4030.0 - 35.0
4.8 x 5040.0 - 45.0
5.0 x 60.5 - 2.59.55.1 - 5.2
5.0 x 82.5 - 4.5
5.0 x 104.5 - 6.0
5.0 x 126.0 - 8.0
5.0 x 148.0 - 10.0
5.0 x 1610.0 - 12.0
5.0 x 1812.0 - 14.0
5.0 x 2114.0 - 17.0
5.0 x 2517.0 - 20.0
5.0 x 2720.0 - 23.0
5.0 x 3023.0 - 25.0
6.0 x 82.0 - 4.012.06.1 - 6.2
6.0 x 104.0 - 6.0
6.0 x 126.0 - 8.0
6.0 x 147.0 - 9.0
6.0 x 169.0 - 11.0
6.0 x 1811.0 - 13.0
6.0 x 2213.0 - 17.0
6.0 x 2617.0 - 20.0
6.0 x 3020.0 - 24.0
6.4 x 82.0 - 4.013.06.5 - 6.6
6.4 x 102.0 - 5.0
6.4 x 124.0 - 6.0
6.4 x 146.0 - 8.0
6.4 x 168.0 - 11.0
6.4 x 189.0 - 13.0
6.4 x 2011.0 - 15.0
6.4 x 2213.0 - 16.0
6.4 x 2515.0 - 19.0
6.4 x 2616.0 - 20.0
6.4 x 2817.0 - 22.0
6.4 x 3018.0 - 24.0
6.4 x 3222.0 - 26.0
6.4 x 3524.0 - 30.0
6.4 x 4030.0 - 35.0
6.4 x 4535.0 - 40.0
Rivet sizeThickness of parts, sheets joinedFlange diameterHole diameter
3.2 x 83.5 - 5.09.53.3 - 3.4
3.2 x 105.0 - 7.0
3.2 x 127.0 - 9.0
3.2 x 149.0 - 11.0
3.2 x 1611.0 - 13.0
124.1 - 4.2
4.0 x 83.0 - 5.0
4.0 x 105.0 - 6.5
4.0 x 126.5 - 8.5
4.0 x 148.5 - 10.5
4.0 x 1610.5 - 12.5
4.8 x 81.0 - 4.5164.9 - 5.0
4.8 x 104.5 - 6.0
4.8 x 126.0 - 8.0
4.8 x 148.0 - 10.0
4.8 x 1610.0 - 12.0
4.8 x 1812.0 - 14.0
4.8 x 2014.0 - 16.0
4.8 x 2216.0 - 18.0
4.8 x 2518.0 - 21.0
Rivet diameter d2.433.244.8566.4
Flange diameter d₂56.56.589.59.51213
Flange height k0.651.01.01.21.31.31.51.8
Hole diameter2.53.13.34.14.95.16.16.5
Body length LThickness of joined materials (min. - max.)
40.5-1.50.5-1.50.5-1.5-----
5-1.5-2.5-0.5-1.5----
61.5-3.52.5-3.51.5-3.51.5-3.02.0-2.52.0-2.5--
83.5-5.04.5-5.03.5-5.04.0-5.02.5-4.52.5-4.52.0-3.0-
10-5.0-7.05.0-7.05.0-6.54.5-6.04.5-6.03.0-5.0-
12-7.0-9.07.0-9.06.5-8.56.0-8.06.0-8.05.0-7.02.0-6.0
14-9.0-11.09.0-11.08.5-10.58.0-10.08.0-10.0--
16-11.0-13.011.0-13.010.5-12.510.0-12.010.0-12.07.0-11.06.0-10.0
18-13.0-15.013.0-15.010.5-12.512.0-14.012.0-14.011.0-13.010.0-12.0
20-15.0-17.015.0-17.014.5-16.514.0-15.014.0-15.013.0-15.012.0-14.0
25-17.0-22.017.0-22.016.5-21.515.0-20.015.0-20.015.0-20.014.0-18.0
30-22.0-26.0-21.5-26.020.0-25.020.0-25.020.0-24.018.0-23.0
35---26.0-30.0-25.0-30.024.0-29.0-
40---30.0-35.0-30.0-35.029.0-34.0-
45-----35.0-40.0--
50-----40.0-45.034.0-44.0-
60-----48.0-52.0--
65-----52.0-57.0--
70-----57.0-62.0--
80-----62.0-72.0--
Rivet diameter d2.433.244.8566.4
Rivet materialRivet shear strength (tensile), N
Aluminium alloy (ISO 15977)350 (550)550 (850)750 (1100)1250 (1800)1850 (2600)2150 (3100)3200 (4600)3400 (4850)
Steel (ISO 15979)650 (700)950 (1100)1100 (1200)1700 (2200)2900 (3100)3100 (4000)4300 (4800)4900 (5700)
Stainless steel A2, A4 (ISO 15983)-1800 (2200)1900 (2500)2700 (3500)4000 (5000)4700 (5800)--
Copper (ISO 16582)-760 (950)800 (1000)1500 (1800)2000 (2500)---
Copper-nickel alloy - Monel (ISO 16584)--1400 (1900)2200 (3000)3300 (3700)--5500 (6800)

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