Joining and threading solutions for thin or soft materials and one-side access: blind rivets, rivet nuts, thread inserts and weld fasteners – with advice on the right installation tools.
ISO 15977 – 15983 · DIN 7337
Aluminium, steel, stainless; dome or countersunk head; sealed and structural types.
| Rivet Ø d | Drill hole | Head Ø dk |
|---|---|---|
| 2.4 | 2.5 | 5.0 |
| 3.2 | 3.3 | 6.5 |
| 4.0 | 4.1 | 8.0 |
| 4.8 | 4.9 | 9.5 |
| 6.4 | 6.5 | 13.0 |
Dome head blind rivets per ISO 15977 – 15983. Length is chosen by total grip thickness. Unit: mm.
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M3 – M12
Internal threads in tubes and thin sheets; round or hex body, flat or countersunk head.
| Size | Drill hole | Body |
|---|---|---|
| M3 | 5.0 | Round / hex |
| M4 | 6.0 | Round / hex |
| M5 | 7.0 | Round / hex |
| M6 | 9.0 | Round / hex |
| M8 | 11.0 | Round / hex |
| M10 | 13.0 | Round |
Reference holes for round-body flat-head steel rivet nuts. Exact sizes depend on the part and sheet thickness. Unit: mm.
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M4 – M10
External threads installed from one side, replacing welded studs.
| Parameter | Value |
|---|---|
| Thread | M4 – M10 |
| Thread length | 10 – 40 mm |
| Types | Round / hex body; flat / countersunk head |
| Material | Zinc-plated steel, 304 stainless |
| Installation | Installed from one side with a rivet nut tool |
Drill hole and grip range per part. Unit: mm.
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DIN 8140 · M2 – M24
Repair damaged threads and strengthen threads in aluminium, cast iron and light alloys.
| Size | STI drill (ref.) | Insert lengths |
|---|---|---|
| M3 × 0.5 | 3.2 | 1d · 1.5d · 2d · 2.5d · 3d |
| M4 × 0.7 | 4.2 | 1d · 1.5d · 2d · 2.5d · 3d |
| M5 × 0.8 | 5.2 | 1d · 1.5d · 2d · 2.5d · 3d |
| M6 × 1 | 6.3 | 1d · 1.5d · 2d · 2.5d · 3d |
| M8 × 1.25 | 8.4 | 1d · 1.5d · 2d · 2.5d · 3d |
| M10 × 1.5 | 10.5 | 1d · 1.5d · 2d · 2.5d · 3d |
| M12 × 1.75 | 12.5 | 1d · 1.5d · 2d · 2.5d · 3d |
Wire thread inserts per DIN 8140. Matching STI taps required; drill sizes are for reference. Unit: mm.
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Self-tapping · Heat-set
Self-tapping inserts for metal, heat-set and press-in inserts for plastics.
| Types | Thread | Material | Suited for |
|---|---|---|---|
| Self-tapping insert | M3 – M16 | Steel, stainless | Aluminium, cast iron, wood |
| Heat-set insert | M2 – M8 | Brass | Thermoplastics |
| Press-in insert | M2 – M8 | Brass | Plastics, moldings |
| Key-locking insert | M4 – M20 | Steel, stainless | Heavy-duty thread repair |
Drill sizes per insert type data. Unit: mm.
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DIN 929 · DIN 928 · ISO 13918
Hex and square weld nuts and weld studs for steel frames and bodies.
| Size | Across flats s | Height m |
|---|---|---|
| M5 | 8 | 4 |
| M6 | 10 | 5 |
| M8 | 14 | 6.5 |
| M10 | 17 | 8 |
| M12 | 19 | 10 |
Hex weld nuts per DIN 929. Square weld nuts DIN 928 and weld studs ISO 13918 on request. Unit: mm.
Quote this item →| Standards | ISO 15977 – 15983, DIN 7337, DIN 8140, DIN 929 / 928, ISO 13918 |
|---|---|
| Common sizes | Rivets Ø2.4 – Ø6.4 mm; rivet nuts M3 – M12; inserts M2 – M24 |
| Materials | Aluminium, zinc-plated steel, stainless 304 / 316, brass |
| Matching tools | Hand, pneumatic and battery rivet tools; insert installation kits |
Rivet nuts install from one side – ideal for tubes and finished parts. Self-clinching nuts need two-side pressing but are stronger and neater for high-volume sheet work. We advise based on your design.
Yes. A dedicated STI tap and matching installation tool are required for each thread size. We supply inserts and tools together.
Steel or stainless structural rivets offer higher shear and tensile strength than standard aluminium rivets. Please share the materials and grip thickness.
Send part numbers, quantities or drawings. We will get back to you to clarify specs and propose the right solution.
