Square nails are made with machines dating back to the mid-1800s that cut the nails, rather than wedge them apart, from a piece of metal. This process ensures the nail cuts through the wood grain when driven, which helps prevent splitting.
Square nails are made with machines dating back to the mid-1800s that cut the nails, rather than wedge them apart, from a piece of metal. This process ensures the nail cuts through the wood grain when driven, which helps prevent splitting.