Board Center Jig
Clip this jig onto a 2x4, 2x6, trim board, or square tube and drill a perfectly centered hole every time - no measuring, no marking errors. Set your own stock width, jig length, side depth, and drill diameter to match any lumber or extrusion.
18 sizes available. The standard size is a free download. Custom sizes with a free account.
Download: the standard STL is free, with no account needed. Unlocking sizes gives you digital files. Ordering a printed part includes manufacturing and shipping at checkout.
Preset sizes
| Beam Width | Gig Length | Side Depth | Hole Diameter |
|---|---|---|---|
| 100 | 100 | 20 | 6.4 |
| 184.2 | 100 | 20 | 6.4 |
| 25 | 100 | 20 | 6.4 |
| 30 | 100 | 20 | 6.4 |
| 40 | 100 | 20 | 6.4 |
| 45 | 100 | 20 | 6.4 |
| 50 | 100 | 20 | 6.4 |
| 80 | 100 | 20 | 6.4 |
| 90 | 100 | 20 | 6.4 |
| 139.7 | 100 | 20 | 6.4 |
| 235 | 100 | 20 | 6.4 |
| 285.8 | 100 | 20 | 6.4 |
6 more preset sizes in the catalog, plus any size you enter.