To accommodate a 3/8 bolt, drill a hole that is 3/8 inch in diameter.
The size of the hole drilled for a door knob should typically be 2 1/8 inches in diameter.
A 3/16 inch pilot hole should be drilled for a 10 screw.
A pilot hole of 3/32 inch should be drilled for a 6 screw.
A bolt hole size chart provides information on the recommended sizes of holes to be drilled for specific bolt sizes. This helps ensure proper fit and secure fastening of bolts.
A 3/16 inch pilot hole should be drilled for a 12 wood screw.
A 3/32 inch pilot hole should be drilled for a 10 wood screw.
A 7/64 inch pilot hole should be drilled for a 8 wood screw.
A 5/32 inch pilot hole should be drilled for a 3/8 lag screw.
A 3/16 inch pilot hole should be drilled for a 1/4 inch lag screw.
micro inces
A 1/4 inch pilot hole should be drilled in wood for a 1/2 inch lag screw to ensure proper installation.
You want a .375 hole. +.001, -.001, maybe.