Description
CONCRETE FRAME SCREW
For Window & Door Frame Installation
| Geometric properties | ||||||
| Nominal Ø [mm] | Drive | dk | D | d | LT | L |
| 7.5 | TX30 | ∅10.8~11.2 | ∅7.2~7.5 | ∅45.1~5.4 | Full Thread | 50~180 |
| Material | Carbon Steel | |||||
| Coating | Zinc Passivation | |||||
| Point | Self-drilling with serrated | |||||
| Geometric properties | Nominal Ø [mm] | 7.5 |
| Shaft Øs [mm] | 5.8 | |
| Inner Øi [mm] | 5.2 | |
| Mechanical properties | Tensile Rm [Mpa] | ≥1000 |
| Yield Rp0.2 [Mpa] | ≥900 | |
| Shearτ[KN] | 3.5 | |
| Surface hardness [HV] | 490~750 | |
| Core hardness [HV] | 320~470 | |
| Torque [N·m] | ≥20 | |
| Bending [°] | ≥25° |
