O’Skool 9/32 Inch X 1/2 Inch Counterbore Drill For 1/4" Screws, Flat, Step Drill

The flat countersink drill bit with a drive shank of 25/64 inch (10mm) and a drill size of 9/32 inch (7mm) offers professional finishing for woodworking projects. The recessed hole neatly seats the screw head, enhancing the appearance, while the counterbore center hole provides a slightly larger space for fine adjustments before locking two workpieces together. This versatile drill bit is compatible with various 1/4" screws, including furniture screws and socket-head screws, making it suitable for a wide range of projects. The counterbore drill bit simplifies the drilling process by combining the recessed hole and through the hole, saving time and ensuring concentricity. Additionally, using this flat countersink drill bit reduces the risk of wood splitting when fastening materials.

Product Features

  • Drive Shank: 25/64 Inch (10mm), Drill Size: 9/32 Inch (7mm), Counterbore Size: 1/2 Inch, Drill Length: 4 Inch, Counterbore Length: 15/16 Inch
  • Professional Finishing: A flat countersunk drill bit creates a clean, professional finish for woodworking projects. The recessed hole seats the screw head neatly, enhancing the appearance. Moreover, the counterbore center hole provides a slightly larger space than a 1/4" screw, allowing you to make fine adjustments before locking two workpieces together.
  • Compatible with Styles of 1/4" Screws: Flat countersink drill bits are versatile and work well with various screws, including furniture screws, round screws, and even some socket-head screws. This versatility makes them suitable for a wide range of projects.
  • Simplified Drilling Process: A counterbore drill bit combines two steps into one – drilling the recessed hole and the through hole – which saves time and effort during the drilling process. This drill bit ensures the inner and outer holes are perfectly concentric.
  • Reduced Splitting: When fastening materials like wood, using a flat countersink drill bit helps prevent the wood from splitting.



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