KEYHOLE SLOT spacing is EASY with this electricians' TOP TIP

His double acting lever lock required the lever to be lifted to a certain height by having a slot Keyhole edit For other uses, see Keyhole

Keyhole or hang slot cutter Keyhole cutter wide This bit is so different from the usual 'edge treatment' bits that it deserves highlighting

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keyhole slot bit Keyhole Slot Hanging Instructions Easy Install Trick! Jonny DIY• Everything You Need to