4pcs Masonry Drill Bit Set 6mm to 8mm Concrete Drill Bit Set Hex Shank 20 X 20 X 1.5 X 200mm Thread Size: 1/2 to 1/2

Thread Size: 1/2 to 1/2 G Female

Total Size: 45mm x 16mm / 1

Total Size : 98x28x18mm /3

15 x Tube Adapters

4pcs Masonry Drill Bit Set 6mm to 8mm Concrete Drill Bit Set Hex Shank 20 X 20 X 1.5 X 200mm Thread Size: 1/2 to 1/21. Made of quality carbide YG6X, the rust resistant treatment and reinforced head prevent the drill from cracking and provide longer service life. 2. Four blade design, small incision resistance and small incision resistance. The U shaped groove drill design can effectively remove debris and improve your work efficiency. 3. 1 4 inch Hex Shank Masonry Drill Bit for most common drills, power drills, hand drills and bench drills, easy to install and