| Name : | Flat Head Wood Screws |
| Category : | Tapping Screws, Self-Drilling Screws |
| Standard : | JIS B112 |
| Material : | STAINLESS STEEL 18-8 |
| Plating : | - |
| size (No.) | #4 | #5 | #6 | #7 | #8 | #9 | #10 | #12 | #14 |
| ds (Diameter) | 2.7 | 2.9 | 3.1 | 3.8 | 4.1 | 4.5 | 4.8 | 5.6 | 6.2 |
| dk | 5.4 | 6.2 | 7 | 7.6 | 8.2 | 9.0 | 10.2 | 11 | 12.4 |
| k (Head Thickness) | 1.55 | 1.8 | 2.0 | 2.15 | 2.35 | 2.55 | 2.7 | 3.05 | 3.5 |
| n | 0.8 | 0.9 | 1.0 | 1.0 | 1.2 | 1.2 | 1.3 | 1.4 | 1.6 |