This overview compares the Prox Wood Construction Screw 3.5x50mm TX15 Countersunk Head Partial Thread 15pcs with five similar fasteners from the same manufacturer: 3.5x45 mm (20 pcs), 3.5x50 mm (500 pcs), 3.5x35 mm (30 pcs), 3.5x40 mm (25 pcs), and 3x35 mm (TX10). All products comply with the EN 14592 standard, feature a countersunk head, partial thread, and a Torx drive designed to ensure secure timber assembly without splitting. The main differences lie in length, diameter, drive size (TX15 or TX10), and package quantity.
⚙️ The table below compares technical specifications such as diameter, length, thread type, drive type, certification, and package quantity to help assess their practical application.
| Parameter | Prox 3.5x50mm (15 pcs) | Prox 3.5x45mm (20 pcs) | Prox 3.5x50mm (500 pcs) | Prox 3.5x35mm (30 pcs) | Prox 3.5x40mm (25 pcs) | Prox 3x35mm (TX10) | Practical Conclusion |
|---|
| Diameter | 3.5 mm | 3.5 mm | 3.5 mm | 3.5 mm | 3.5 mm | 3 mm | Most variants share a 3.5 mm diameter for optimal strength, while the 3 mm option is better suited for thinner timber. |
| Length | 50 mm | 45 mm | 50 mm | 35 mm | 40 mm | 35 mm | Length dictates penetration depth and the thickness of the timber elements being joined. |
| Thread type | Partial (30 mm) | Partial (25 mm) | Partial (30 mm) | Partial | Partial (25 mm) | Partial | Partial threading ensures tight clamping of joined wooden elements together. |
| Drive | TX15 | TX15 | TX15 | TX15 | TX15 | TX10 | Torx drive prevents bit slippage; TX15 is used for 3.5 mm screws and TX10 for the 3 mm variant. |
| Standard | EN 14592 | EN 14592 | EN 14592 | EN 14592 | EN 14592 | EN 14592 | Unified European standard confirms suitability for professional woodworking and general construction. |
| Package quantity | 15 pcs | 20 pcs | 500 pcs | 30 pcs | 25 pcs | Not specified | Package sizes range from small sets for quick repairs to bulk boxes for extensive projects. |
◎ The table below evaluates usage scenarios and buyer needs to help choose the most suitable size and packaging.
| Use case | Recommended product | Why |
|---|
| Medium timber assembly and carpentry (small scale) | Prox Wood Construction Screw 3.5x50mm TX15 Countersunk Head Partial Thread 15pcs | The 50 mm length is ideal for joining medium-thickness timber, and the 15-piece pack offers convenience for minor tasks. |
| Large-scale construction and framing | Prox Wood Construction Screw 3.5x50 mm (500 pcs) | The bulk package is cost-effective and practical for extensive projects requiring a high volume of identical fasteners. |
| Working with thinner wood elements | Prox Wood Construction Screw 3x35 mm (TX10) | The smaller 3 mm diameter and 35 mm length prevent splitting when fastening delicate laths or panels. |
Recommendation: Choose the Prox Wood Construction Screw 3.5x50mm TX15 Countersunk Head Partial Thread 15pcs if you need a 50 mm length for standard woodworking or general assembly tasks and a small pack size (15 pieces) for a one-off project. For large-scale work, opt for the 500-piece bulk pack of the same size, or select shorter and thinner alternatives when working with delicate materials.
