THREADED COUPLING CONCRETE BOLT
Used in Concrete Ceilings to Secure Studs
| Specification | K | C | Q | D | S | dc | P | L | Matching internal hole |
| M6x35 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 35 | M8-1.25 |
| M6x40 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 40 | M8-1.25 |
| M6x45 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 45 | M8-1.25 |
| M6x55 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 55 | M8-1.25 |
| M6x35 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 35 | M10-1.5 |
| M6x40 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 40 | M10-1.5 |
| M6x45 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 45 | M10-1.5 |
| M6x55 | 16.4 | 1.7 | 12.5 | 7.8 | 12.8 | 17.0 | 4.5 | 55 | M10-1.5 |
| 1/4x1-1/2 | 12 | 1.7 | 9 | 8 | 9.5 | 14 | 4.4 | 38 | 1/4-20 |
| 1/4x1-3/4 | 16 | 1.7 | 12 | 8 | 12.7 | 17 | 4.4 | 44.5 | 3/8-16 |
| 3/8x2-3/4 | 23 | 2.0 | 19 | 12 | 17.3 | 24 | 7.0 | 69.8 | 1/2-13 |
| Size | External Major Diameter | Internal Thread | Material | Finish |
| M6x35mm | 7.8mm | M8-1.25 | Carbon Steel | Zinc Plated |
| M6x40mm | 7.8mm | M8-1.25 | Carbon Steel | Zinc Plated |
| M6x45mm | 7.8mm | M8-1.25 | Carbon Steel | Zinc Plated |
| M6x55mm | 7.8mm | M8-1.25 | Carbon Steel | Zinc Plated |
| M6x35mm | 7.8mm | M10-1.5 | Carbon Steel | Zinc Plated |
| M6x40mm | 7.8mm | M10-1.5 | Carbon Steel | Zinc Plated |
| M6x45mm | 7.8mm | M10-1.5 | Carbon Steel | Zinc Plated |
| M6x55mm | 7.8mm | M10-1.5 | Carbon Steel | Zinc Plated |
| 1/4x1-1/2 | 8mm | 1/4-20 | Carbon Steel | Zinc Plated |
| 1/4x1-3/4 | 8mm | 3/8-16 | Carbon Steel | Zinc Plated |
| 3/8x2-3/4 | 12mm | 1/2-13 | Carbon Steel | Zinc Plated |
