

| Part No. | 6H | min ÷ max | Ø ± 0,05 | 0-01 | max | ||||
|---|---|---|---|---|---|---|---|---|---|
| M3 | M3RRO-S | M3 | 0,5 ÷ 1,5 | 5.2 ÷ 5.6 | 4.80 | 4.70 | 5.30 | 0.35 | 9 |
| M4 | M4RRO-S | M4 | 0.5 ÷ 1.5 | 6.3 ÷ 6.7 | 6.40 | 6.30 | 6.90 | 0.50 | 10.5 |
| M5 | M5RRO-S | M5 | 0.5 ÷ 2 | 7.4 ÷ 7.8 | 7.20 | 7.10 | 7.70 | 0.60 | 12 |
| M6 | M6RRO-S | M6 | 0.7 ÷ 2.5 | 8.8÷ 9.6 | 9.60 | 9.50 | 10.20 | 0.60 | 14 |
| M8 | M8RRO-S | M8 | 1 ÷ 3 | 10 ÷ 10.8 | 10.60 | 10,50 | 11.30 | 0.60 | 16 |
Fasteners and Fixings » Rivet Nuts » Reduced Head, Open End Rivet Nuts - Steel
| Type | Description | Material |
|---|---|---|
| F.R.O. Series | Flat Head, Open End Rivet Nuts | Aluminium, Steel, Stainless Steel |
| K.R.O. Series | Csk Head, Open End Rivet Nuts | Aluminium, Steel, Stainless Steel |
| F.R.C. Series | Flat Head, Closed End Rivet Nuts | Aluminium, Steel |
| R.S.O. Series | Reduced Head, Serrated Open Rivet Nuts | Steel |
| R.E.S.O. Series | Reduced Head, Serrated Euro Open Rivet Nuts | Steel |
| F.S.O. Series | Flat Head, Serrated Open End Rivet Nuts | Steel |
| R.R.O. Series | Reduced Head, Open End Rivet Nuts | Steel |
| R.E.O. Series | Reduced Head, Euro Open End Rivet Nuts | Steel, Stainless Steel |
| F.X.O. Series | Flat Head, Hexagon Open End Rivet Nuts | Steel, Stainless Steel |
| R.X.O. Series | Reduced Head, Hexagon Open End Rivet Nuts | Steel |
| R.P.X.O. Series | Reduced Head, Part Hexagon Open End Rivet Nuts | Steel, Steel (Metric), Stainless Steel (Metric) |
| Jack-Nut | Jack-Nut provides reliable fixing in thin, soft or brittle materials. | Jack-Nut |
| Well-Nut | The Well-Nut is the smallest shock absorber in the business. | Well-Nut |
| Example of rivet nut coding | Example of rivet nut coding |