Q: What board thickness do these work with?
These dog hole bushings are sized to set up accurate drilling guides in boards 1 1/2" thick, the standard thickness for a workbench top or jig.
15J7903 - 3/4" Dog Hole Bushing
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These 3/4" and 20mm hardened steel bushings help you make an accurate dog-hole drilling guide using any 1 1/2" thick board.
Knurling on the bushing provides a mechanical lock when installed in an appropriately-sized hole (1" for the 3/4" bushing, 25mm for the 20mm bushing), and a projecting rim ensures that it rests perpendicular to the jig's surface.
Made in Canada.
These dog hole bushings are sized to set up accurate drilling guides in boards 1 1/2" thick, the standard thickness for a workbench top or jig.
Drill a 1" hole for the 3/4" bushing, or a 25mm hole for the 20mm bushing; the knurled sides then grip the hole for a mechanical lock.
The projecting rim keeps the bushing perpendicular to the jig surface, so the guide hole it produces comes out square rather than angled.
Match whichever size your bench dog holes already use; the 3/4" bushing suits standard imperial dog holes, while the 20mm size fits metric-pattern benches and jigs.
| Materials | Hardened steel |
| Compatibility Dimensions | Fits 1" holes (3/4" bushing) or 25mm holes (20mm bushing); sized for 1 1/2" thick boards |
| Includes | Dog hole bushing |
| Package Quantity | 1 item |
| Country of Origin | Canada |
| Warranty | Lee Valley Satisfaction Guarantee |
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Dog Hole Bushings
These 3/4" and 20mm hardened steel bushings help you make an accurate dog-hole drilling guide using any 1 1/2" thick board.
Knurling on the bushing provides a mechanical lock when installed in an appropriately-sized hole (1" for the 3/4" bushing, 25mm for the 20mm bushing), and a projecting rim ensures that it rests perpendicular to the jig's surface.
Made in Canada.
Choose an option to view item availability.
Choose an option to view item availability.
