The 4Trade M16 x 50mm Square Plate Washers are a massive 50mm square footprint that effectively distributes clamping force and prevents nuts or bolt heads from crushing or pulling through the wood.
This bolt has a square shoulder under a rounded head (Mushroom Head) which resists turning when the nut is tightened or removed. The bolt is driven into a hole the same size as the shank and then hammered the rest of the way, where the square shoulder locks firmly into place.
The 4Trade M16 x 50mm Square Plate Washers are a massive 50mm square footprint that effectively distributes clamping force and prevents nuts or bolt heads from crushing or pulling through the wood.
This bolt has a square shoulder under a rounded head (Mushroom Head) which resists turning when the nut is tightened or removed. The bolt is driven into a hole the same size as the shank and then hammered the rest of the way, where the square shoulder locks firmly into place.