This product page features the Prox Wood Construction Screw 4x40 mm TX20 Countersunk Head Partial Thread 20 pcs, compared alongside similar wood construction screws from the same brand with varying lengths, diameters, and pack sizes: Prox Wood Construction Screw 4x70mm Partial Thread Countersunk Head TX20 250pcs, Prox Wood Construction Screw 4x45 mm TX20 Countersunk Head Partial Thread 20 pcs, Prox Wood Construction Screw 4x60 mm Partial Thread TX20 Countersunk Head, Prox Wood Construction Screw 4.5x50 mm Torx TX20 Countersunk Head Partial Thread 12 pcs, and Prox Wood Construction Screw 4.5x80 mm Partial Thread TX20 Countersunk 250 pcs. All these products share a common purpose for secure wood assembly, featuring a TX20 Torx drive, a countersunk head for a flush finish, partial threads for tight component clamping, anti-splitting designs, and compliance with the EN 14592 standard. The main differences lie in their diameter, length, and packaging quantity.
⚙️ The specifications comparison table below compares diameter, length, thread length, drive type, head shape, standards compliance, and pack size to help you evaluate the physical parameters of each option.
| Parameter | Prox 4x40 mm 20 pcs | Prox 4x70mm 250pcs | Prox 4x45 mm 20 pcs | Prox 4x60 mm | Prox 4.5x50 mm 12 pcs | Prox 4.5x80 mm 250 pcs | Practical conclusion |
|---|
| Diameter | 4 mm | 4 mm | 4 mm | 4 mm | 4.5 mm | 4.5 mm | A larger diameter provides higher shear strength for heavier structural loads. |
| Length | 40 mm | 70 mm | 45 mm | 60 mm | 50 mm | 80 mm | Screw length should be selected according to the thickness of the joined wooden elements. |
| Thread type | Partial | Partial | Partial | Partial | Partial | Partial | Partial threading ensures wooden components are tightly clamped together. |
| Drive | TX20 | TX20 | TX20 | TX20 | TX20 | TX20 | The identical drive type allows using the same driver bit across all product options. |
| Pack size | 20 pcs | 250 pcs | 20 pcs | 250 pcs | 12 pcs | 250 pcs | Various pack sizes accommodate small repairs or extensive construction projects. |
◎ The suitability and use cases table below evaluates user needs, project types, and fastener volume requirements for each product.
| Use case | Recommended product | Why |
|---|
| Lightweight woodworking and thin timber assembly | Prox Wood Construction Screw 4x40 mm TX20 Countersunk Head Partial Thread 20 pcs | The compact length and diameter are ideal for lighter structures and smaller working quantities. |
| Heavy timber framing and thick wood joining | Prox Wood Construction Screw 4.5x80 mm Partial Thread TX20 Countersunk 250 pcs | The greater length and thickness deliver deeper anchorage and maximum structural strength. |
| Standard wood construction with moderate loads | Prox Wood Construction Screw 4x60 mm Partial Thread TX20 Countersunk Head | Offers a balanced length for general woodworking projects supplied in a bulk 250-piece pack. |
Choose Prox Wood Construction Screw 4x40 mm TX20 Countersunk Head Partial Thread 20 pcs if you need a small batch of fasteners for assembling relatively thin wooden elements. If your projects involve thicker timber materials or require a larger volume of screws, consider alternative options with longer dimensions or bulk packaging.
