Can we use hanging wire with keyhole hangers?

Keyhole Slot Marking Tool Set hanging keyhole slot Comments17 · Keyhole Hanger Installation · Keyhole Slot Hanging Instructions · Katie's yale slim slot Hang pictures and other items easily and precisely with this slot cutting template No measuring is required, just line up the template with

luckygame slot You will need to mark it up, drill two shallow flat bottomed holes side by side the diameter of the larger part of the keyhole slot deep enough