CONCRETE FRAME SCREW
Technical Drawing
Data Table
| Geometric properties | ||||||
| Nominal Ø [mm] | Drive | dk | D | d | LT | L |
| 7.5 | TX30 | ∅10.8~11.2 | ∅7.2~7.5 | ∅5.1~5.4 | Full Thread | 50~180 |
| Material | Carbon Steel | |||||
| Coating | Zinc Passivation | |||||
| Point | Self-drilling with serrated | |||||
| Category | Item | Parameter Value |
| 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 | |
| Shear τ [KN] | 3.5 | |
| Surface hardness [HV] | 490~750 | |
| Core hardness [HV] | 320~470 | |
| Torque [N·m] | ≥20 | |
| Bending [°] | ≥25° |
Application Scene Image
Downloads
Frequently Asked Questions
Q: What are the dimensions of the EC Fastener concrete frame screw?
A: Nominal diameter 7.5mm, TX30 drive, full thread, length from 50mm to 180mm, with self-drilling serrated point.
Q: What material and coating is the concrete frame screw?
A: Made of carbon steel with zinc passivation coating.
Q: What are the mechanical properties?
A: Tensile strength ≥1000 MPa, yield ≥900 MPa, shear 3.5 kN, torque ≥20 N·m, surface hardness 490-750 HV and core hardness 320-470 HV.
Q: Where can I get specifications and pricing from ecindustry.com?
A: Contact EC Fastener Corporation through ecindustry.com for the data sheet, MOQ and export pricing.
