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Drill Chuck Arbors – R8 Shank
- Made from superior quality alloy steel.
- These are keyed to prevent rotation.
- Drill chuck arbors with an R8 shank are used to mount drill chucks onto milling machines and other equipment with an R8 taper spindle.
- Designed for milling machines equipped with an R8 spindle for secure, accurate tool holding.
- Engineered to minimize runout for smooth, accurate drilling and improved hole quality.
- Perfect for machine shops, fabrication, metalworking, and precision drilling tasks.
| Cat No | No | To Fit Drill Chuck With Female Taper | ||
|---|---|---|---|---|
| GDA-7576 | R8-1 | 1 | ||
| GDA-7577 | R8-2 | 2 | ||
| GDA-7578 | R8-3 | 3 | ||
| GDA-7579 | R8-4 | 4 | ||
| GDA-7580 | R8-6 | 6 | ||
| GDA-7581 | R8-33 | 33 |
Drill chuck arbors with an R8 shank are essential tooling components used primarily on vertical milling machines that feature an R8 spindle taper. Designed to provide a secure and accurate interface between a drill chuck and the machine spindle, an R8 shank arbor ensures dependable performance during drilling, reaming, and light-duty milling operations. The R8 taper, originally developed for Bridgeport mills, remains a widely adopted standard because of its simplicity, rigidity, and ease of tool changes.
| Cat No | GDA-7576, GDA-7577, GDA-7578, GDA-7579, GDA-7580, GDA-7581 |
|---|---|
| No | R8-1, R8-2, R8-3, R8-4, R8-6, R8-33 |
| To Fit Drill Chuck With Female Taper | 1, 2, 3, 4, 6, 33 |
