The Prox Wood Construction Screw 4.5x40 mm TX20 Countersunk Head Partial Thread EN 14592 wood construction screw is compared with several alternative fasteners from the same brand. All compared products share core design characteristics: countersunk heads, Torx (TX) drives, partial threads, compliance with the EN 14592 standard, and typically 250-piece pack quantities (with one exception for smaller packaging). The primary differences lie in screw length, diameter, drive size, and intended material thickness.
⚙️ The specifications comparison table below contrasts parameters such as screw diameter and length, partial thread length, TX drive size, and package quantity.
| Parameter | Prox 4.5x40 mm (Main) | Prox 4.5x60 mm | Prox 4x60 mm | Prox 3x35 mm | Prox 4.5x45 mm (15 pcs) | Prox 4.5x80 mm | Practical Significance |
|---|
| Diameter | 4.5 mm | 4.5 mm | 4.0 mm | 3.0 mm | 4.5 mm | 4.5 mm | Affects shear strength and suitability for different timber thicknesses. |
| Length | 40 mm | 60 mm | 60 mm | 35 mm | 45 mm | 80 mm | Determines penetration depth and holding power in wood. |
| Partial Thread | 25 mm | 36 mm | 36 mm | Not specified | 25 mm | 50 mm | Draws wooden elements tightly together for a secure joint. |
| Drive | TX20 | TX20 | TX20 | TX10 | TX20 | TX20 | Specifies the required bit size for high torque transfer without slipping. |
| Pack Quantity | 250 pcs | 250 pcs | 250 pcs | 250 pcs | 15 pcs | 250 pcs | Determines the available supply for small tasks or larger projects. |
◎ The suitability table below evaluates which product option fits specific user needs and application scenarios best.
| Use Case | Recommended Product | Why |
|---|
| Mounting thin wooden trims and strips | Prox 3x35 mm TX10 | Smaller diameter and 35 mm length prevent splitting in delicate timber. |
| General woodworking and assembly tasks | Prox Wood Construction Screw 4.5x40 mm TX20 | Offers a balanced 4.0 mm / 4.5 mm geometry ideal for standard framing and joints. |
| Joining medium-thickness timber boards | Prox 4.5x60 mm / Prox 4.5x45 mm | Longer shafts provide deeper anchorage and stable clamping. |
| Heavy-duty framing and thick structural timber | Prox 4.5x80 mm | 80 mm length and extended thread securely fasten heavy wooden beams. |
| Small DIY tasks with low screw consumption | Prox 4.5x45 mm (15 pcs) | Supplied in a small 15-piece pack to avoid unnecessary excess inventory. |
The Prox Wood Construction Screw 4.5x40 mm TX20 is the ideal choice for standard woodworking and framing projects requiring a reliable flush finish and strong torque transfer in medium-thick timber. Choose this model for general assembly, while selecting longer or shorter alternatives when working with significantly thicker or thinner materials.
