Bordo Power Bits with a square recess, also known as a Robertson or square drive, are specialized screwdriver bits designed for use with power drills and screwdrivers. The square recess is a type of screw head that provides a secure grip and reduces the risk of slippage during the fastening process. These bits are designed to fit square recess screws securely, making them suitable for various fastening applications.

  • #3 Square Recess 150mm Power Bit
  • 150mm Power Bit
  • Square Recess fasteners are growing in popularity in some specialty areas such as decking screws and wooden boat building.
  • The vertical sidewalls create a positive engagement between fastener and bit virtually eliminating cam-out.
  • All Bordo power bits are manufactured from premium heat treated alloy steel.
  • Strongly magnetised for superior fastener holding.
  • The universal 1/4″ hex shank is suitable for use in most power tools and quick change adaptors/extensions.


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