Amateur homebuilders take note! This handy chart will have you asking for bits, bolts and screws with confidence. Of course, what you do with them after that is where things might get a bit hairy. [Bolt Depot via Boing Boing]
It’s not hard to under or over-tighten a bolt when you are building a cabinet, let alone installing hardware into the human body. Luckily, some clever engineers came up with the idea of SmartBolts.