Timberline Keyhole Router Bit 38″ OD x 38″ Cut Height x 14

spacing between keyhole entries = sqrt = I'm not exactly sure what you are worried about If you just make two

Package Dimensions:** inch 2pcs Package Included: 1 x Keyhole Router Bit 58 Inch Blade Dia 1 x Keyhole Router Bit 716 Inch Blade Dia

keyhole slot hanger  Keyhole Jig PlansPlans http:

keyhole slot bit In one commonly implemented skirt slot design, the slots are thin relative to their circumferential spacing and terminate in drilled keyholes to mitigate the