Up to 3x faster than a standard drill bit. The Expert SelfCut Speed features advanced designs for spade bits, making it easy to use and highly practical for heavy professional users. Threaded tip draws the spade bit into wood with only the lightest pressure from the user, which is especially helpful when drilling upside down or in tight niches. Its advanced paddle design ensures extra speed. Suitable for softwoods, chipboard or particleboard, offering efficiency and convenience to tradesmen who need to drill through holes or blind holes for cabling, dowels and other hardware installations. Hex shank for maximum power transfer in standard 3-jaw drills and hexagonal screwdriver chucks. Suitable for Softwoods, Chipboard or Particleboard 1/4" Hex Shank Steel Self-Feeding Threaded Tip 100mm Working Length For Use with 3-Jaw Chuck Machines on Rotary Action Suitable for Softwoods, Chipboard or Particleboard 1/4" Hex Shank Steel Self-Feeding Threaded Tip 100mm Working Length For Use with 3-...