This product page focuses on the Prox Wood Construction Screw 4x70mm Partial Thread Countersunk Head TX20 250pcs. It is compared with similar alternatives from the same brand Prox, such as the Prox Wood Construction Screw 4x45 mm Partial Thread Countersunk Head TX20 500 pcs, Prox Wood Construction Screw 4x60 mm Partial Thread TX20 Countersunk Head, Prox Wood Construction Screw 4x40 mm TX20 Countersunk Head Partial Thread 25 pcs, Prox Wood Construction Screw 4x35 mm TX20 Countersunk Head Partial Thread 25 pcs, and Prox Wood Construction Screw 4.5x80 mm Partial Thread Countersunk Head TX20 250 pcs. All these products share high build quality, partial threading, a countersunk head for a flush finish, a TX20 Torx drive for high torque transfer without slippage, compliance with the EN 14592 standard, and a specialized geometry designed to minimize wood splitting. The main practical differences lie in screw length, diameter, thread length, and pack size, allowing buyers to match the fastener precisely to their material thickness and project scope.
⚙️ The table below compares the core specifications and differences across the evaluated models:
| Parameter | Prox 4x70mm 250pcs | Prox 4x45mm 500pcs | Prox 4x60mm 250pcs | Prox 4x40mm 20pcs | Prox 4x35mm 25pcs | Prox 4.5x80mm 250pcs | Practical significance |
|---|
| Diameter | 4 mm | 4 mm | 4 mm | 4 mm | 4 mm | 4.5 mm | Most options feature a standard 4 mm thickness, whereas the 4.5x80 mm version offers enhanced bending and shear strength. |
| Length | 70 mm | 45 mm | 60 mm | 40 mm | 35 mm | 80 mm | Screw length determines the maximum thickness of joined timber elements and anchoring depth. |
| Thread length | 40 mm (partial) | 25 mm (partial) | 36 mm (partial) | 25 mm (partial) | 25 mm (partial) | 50 mm (partial) | Partial threading across all models ensures wooden components are pulled tightly together. |
| Drive and head | TX20, countersunk | TX20, countersunk | TX20, countersunk | TX20, countersunk | TX20, countersunk | TX20, countersunk | A uniform drive and head style guarantees consistent torque transfer and a clean, flush surface finish. |
| Pack size | 250 pcs | 500 pcs | 250 pcs | 20 pcs | 25 pcs | 250 pcs | Various packaging quantities accommodate everything from small household fixes to large construction jobs. |
◎ The table below evaluates how each product aligns with specific user needs and use cases:
| Use case | Recommended product | Why |
|---|
| Assembly of medium-thickness wood structures | Prox Wood Construction Screw 4x70mm Partial Thread Countersunk Head TX20 250pcs | The 70 mm length is ideal for securely fastening beams or thick boards in general building projects. |
| High-volume work with thinner timber | Prox Wood Construction Screw 4x45 mm Partial Thread Countersunk Head TX20 500 pcs | The larger 500-piece pack and 45 mm length suit repetitive assembly tasks where efficiency matters. |
| Standard timber board installation | Prox Wood Construction Screw 4x60 mm Partial Thread Countersunk Head | The 60 mm length provides reliable penetration depth for standard construction and woodworking. |
| Small repairs and minor DIY tasks | Prox Wood Construction Screw 4x40 mm TX20 Countersunk Head Partial Thread 20 pcs and Prox Wood Construction Screw 4x35 mm TX20 Countersunk Head Partial Thread 25 pcs | Small packs of 20 and 25 pieces are convenient when you only need a few fasteners for quick fixes. |
| Heavy-duty structural connections | Prox Wood Construction Screw 4.5x80 mm Partial Thread Countersunk Head TX20 250 pcs | The increased 4.5 mm diameter and 80 mm length handle higher structural stress and load demands. |
The Prox Wood Construction Screw 4x70mm Partial Thread Countersunk Head TX20 250pcs excels over shorter alternatives (35–45 mm) when working with thicker lumber by offering deeper penetration and stronger joint clamping. This option is best suited for general carpentry and construction projects requiring a balanced combination of length, strong pull-down force, and a practical 250-piece pack quantity.
