This product guide contains the specification for Cup Hooks with a wood thread, a series of standard parts available from Westfield Fasteners.
Cup hooks are available in a number of sizes: The data in Figure 1 and Table 1 below outline the overall dimensions for each variant.

| diameter (d) | length | approx. thread length (T) | eye width (W) |
|---|---|---|---|
| 2.5 | 38 | 12 | 10 |
| 3.0 | 40 | 12 | 12 |
| 3.5 | 60 | 16 | 16 |
| 4.5 | 50 | 15 | 16 |
| 4.5 | 65 | 18 | 18 |
| 5.0 | 80 | 30 | 25 |
| 6.0 | 100 | 30 | 26 |
| 8.0 | 140 | 40 | 25 |