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add to cartCountersunk head blind rivet nut
Yes ( large) countersunk head and two small countersunk head, after the riveting head and the sheet metal surface flat.
Available materials : carbon steel, copper, aluminum and stainless steel
The scope of supply Specifications : M3 ~ M12
Flat head blind rivet nuts and

| SIZE | D | e | h (ref.) | Across side | M -0.03 -0.20 | dk ±0.30 | K ±0.20 | L ±0.30 | |
| M1 | +0.15 +0.05 | ||||||||
| LGB.FM4HB | M4 | 0.5~2.5 | 13.0 | 6 | 6 | 9 | 0.8 | 17.3 | |
| LGB.FM5HB | M5 | 0.5~3.0 | 14.5 | 7 | 7 | 10 | 1.0 | 19.5 | |
| LGB.FM6HB | M6 | 0.5~3.5 | 16.8 | 9 | 9 | 13 | 1.5 | 24.3 | |
| LGB.FM8HB | M8 | 0.5~3.5 | 20.5 | 11 | 11 | 15 | 1.5 | 28.0 | |

| SIZE | D | e | h (ref.) | D0 | d -0.03 -0.20 | dK +0.30 -0.30 | k +0.20 -0.20 | L +0.30 -0.30 |
| LGB.CM4 (R) B | M4 | 1.6-3.5 | 12.3 | 6 | 6 | 9 | 1.5 | 17.3 |
| LGB.CM5 (R) B | M5 | 1.6-3.5 | 14.0 | 7 | 7 | 10 | 1.5 | 19.5 |
| LGB.CM6 (R) B | M6 | 1.6-4.0 | 17.5 | 9 | 9 | 12 | 1.5 | 23.5 |
| LGB.CM8 (R) B | M8 | 1.6-4.5 | 20.0 | 11 | 11 | 14 | 1.5 | 26.5 |
| LGB.CM10 (R) B | M10 | 1.6-5.0 | 21.5 | 13 | 13 | 16 | 1.5 | 33.0 |