3051 Keyhole Router Bit 1/2″ SH 3/8″ ld X 3/16″ SD X 7/16″ CL X 2-1/8″ OL

Originally designed to make decorative keyhole slots in boxes, these bit are more commonly use to add hanging slots to the back of projects. Just make sure the screws you are using to secure your project fit the bit design. The screw head should be smaller than the large diameter stated below, and screw shanks should be smaller than the small diameter.
• Carbide tipped
LD = Large Diameter; SD = Small Diameter; CD = Cutting Depth; CL = Cutting Length; R = Radius; SH = Shank Diameter; OL = Overall Length.
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