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) |
|---|---|---|---|
| 3.0 | 30 | 14 | 10 |
| 3.5 | 35 | 16 | 16 |
| 3.5 | 60 | 18 | 19 |
| 4.0 | 40 | 18 | 16 |
| 4.5 | 50 | 20 | 18 |
| 5.0 | 60 | 26 | 25 |
| 6.0 | 80 | 30 | 26 |