4Pcs Square Hole Drill Bit Set, Woodworker Mortising Chisel Set

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🔧 Drill Your Way to Perfection!

The DingGreat 4Pcs Square Hole Drill Bit Set is a professional-grade woodworking tool made from high-speed steel, featuring a hardness rating of HRC48-50. This set includes four different sizes to accommodate various mortising tasks and is designed for use with mortising machines, ensuring efficient chip removal and reduced labor intensity for construction projects.