
The Story
Macsim Decking Countersunk Self-Embedding Head T17 C3 Screw 10g x 75mm (Box of 500) is engineered for professional timber decking installations where a clean, flush finish and long-term performance are essential. Ideal for tradies and serious DIYers, it delivers strong holding power, fast driving, and a neat appearance across large decking projects.
Key Features
- Application suitability – Optimised for timber decking, providing secure fixing into softwood and treated pine boards.
- Design – Countersunk, self-embedding head sits flush with the deck surface for a smooth, snag-free finish.
- Material quality – Precision-manufactured 10g x 75mm screw with consistent sizing for reliable performance and alignment.
- Durability – C3 corrosion-resistant coating helps protect against rust in outdoor, exposed environments.
- Installation – Type 17 (T17) self-drilling point reduces the need for pre-drilling, speeding up installation and minimising timber splitting.
- Maintenance – Flush, clean finish reduces water pooling and debris build-up, supporting easier deck upkeep over time.
- Versatility – Supplied in a bulk box of 500, ideal for large decking areas, repairs, and other exterior timber fixing tasks.
[additional]
| Drive Size: | 2 |
| Qty | 500 |
| Size | 10-10 X 75 MM |
| Head Type | Countersunk Self Embedding Head |
| Drive Type | Phillips Drive |
| Finish | Class 3 Galvanised |

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Macsim Decking Countersunk Self-Embedding Head T17 C3 Screw 10g x 75mm (Box of 500) is engineered for professional timber decking installations where a clean, flush finish and long-term performance are essential. Ideal for tradies and serious DIYers, it delivers strong holding power, fast driving, and a neat appearance across large decking projects.
Key Features
- Application suitability – Optimised for timber decking, providing secure fixing into softwood and treated pine boards.
- Design – Countersunk, self-embedding head sits flush with the deck surface for a smooth, snag-free finish.
- Material quality – Precision-manufactured 10g x 75mm screw with consistent sizing for reliable performance and alignment.
- Durability – C3 corrosion-resistant coating helps protect against rust in outdoor, exposed environments.
- Installation – Type 17 (T17) self-drilling point reduces the need for pre-drilling, speeding up installation and minimising timber splitting.
- Maintenance – Flush, clean finish reduces water pooling and debris build-up, supporting easier deck upkeep over time.
- Versatility – Supplied in a bulk box of 500, ideal for large decking areas, repairs, and other exterior timber fixing tasks.
[additional]
| Drive Size: | 2 |
| Qty | 500 |
| Size | 10-10 X 75 MM |
| Head Type | Countersunk Self Embedding Head |
| Drive Type | Phillips Drive |
| Finish | Class 3 Galvanised |
















