Carbide Countersink and Stepped Drill for #8 and #9-10 Screws

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This versatile drill bit set comes in a wide range of sizes, ensuring you have the perfect tool for your project. The set includes a slow spiral high-speed steel (HSS) M2 DIN 338 fully ground stepped drill bit, designated as #55124.

The drill bit features the following specifications: - Angle (A°): 49° - Diameter (D): 7/16 inch - Shank Diameter (D): 5/16 inch - Overall Length (L): 3-1/8 inches

The set is designed to handle both hard and soft woods, with recommendations for the appropriate wood screw sizes. For hard wood, use #8 wood screws, and for soft wood, use #9-10 wood screws.

Additionally, the set includes a 82-degree carbide-tipped countersink with a slow spiral stepped drill, designated as #55124. This countersink is compatible with both #8 and #9-10 wood screws, and has the following specifications: - Drill Diameter (D1): 11/64 inch - Countersink Diameter (D2): 1/8 inch - Replacement Drill Length (L1): 1-3/4 inches - Countersink Diameter (B): 7/8 inch

This comprehensive drill bit set ensures you have the tools you need to tackle a wide range of woodworking projects, from drilling pilot holes to countersinking screw heads. The slow spiral design and high-quality materials provide a smooth, efficient drilling experience, helping you achieve professional-quality results.

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