Wood Corner Joints: 15 Ways to Join Boards at a Corner
Fifteen ways to join wood at a corner, from butt and rabbet joints to box joints, dovetails and mortise and tenon, with a comparison table.
Fifteen ways to join wood at a corner, from butt and rabbet joints to box joints, dovetails and mortise and tenon, with a comparison table.
Tap drill sizes for every common metric fine thread from M2 to M30, with inch equivalents and how to tell fine from coarse threads.
The 1/4-20 tap drill is a #7 (0.201 in) for 75% thread; 13/64 in is the fractional substitute. Drill chart, clearance holes and hole depth.