popular ! 14-Piece Spade Drill Bit Sets with 6“ Extension, Paddle Flat Bit for Hole Cutter

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* PATENTED GROOVE DESIGN: Optimized largest area groove for efficient chip removal and heat dissipation, faster than standard spade bits; The cutting edge with rare dual-side cutting spurs for grabbing wood and carving it away, creating lovely holes with reduced breakout
* HIGH CARBON STEEL: Constructed of high carbon steel that has undergone comprehensive heat treatment for exceptional durability and hardness; The polished surface of the head ensures a long service life and high wear resistance
* LONG EXTENSION ROD: The 6-inch extension rod with 1/4" hex shank equipped can extend the spade drill bits to 12 inches for use; magnificent stability; incredibly suitable for drilling holes in narrow or difficult to reach areas. Also fit other drillbits or screwdriver bits
* fast-CHANGE HEX SHANK: 1/4" hex shank with groove helps reduce slipping and prevent falling off as well as safety, universal for extremely drill driver tool brands in the markets
* DRILL BIT SET INCLUDES: 13 pcs high-performa