Set 12inch Concrete Drill Bit kit Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Hammer Drill Bits for Concrete
SIZE INTRODUCTION:The total length is 12 inches, the actual effective length is 10 inches. The set includes 7/32''x12'', 1/4''x12'', 5/16''x12'', 3/8''x12'', 7/16''x12'', 1/2''x12'', 9/16''x12''.
Alloy Cutter Head: The harder cross cutter is easier and more efficient for drilling work.
Material: High-strength alloy steel is made by Wensilon, very hard.
Ripple design: double line of drill bit design, drilling and punching is faster, stone powder is easier to peel off from the wall.
Compatible with most brands of impact drills on the market
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We do not currently offer free shipping. However, this may be added at some point. We apologize.
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For returns or exchanges, please contact us within 14 days of receiving the product, along with a receipt or screenshot of the purchase, and a photo of the product with the packaging or tag intact.
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