Wensilon Concrete Drill Bit lengthening 1pcs 3/4" X 12"-10" Cross-Type Double Thread Carbide Material Suitable for Concrete, Brick, Cement Walls, Stone, Extra Long Hammer Drill Bits for Concrete
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4.5
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About this product
SIZE INTRODUCTION:The total length is 12 inches, the actual effective length is 10 inches. 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 marketPrice History
- Best price now: $15.99 at Amazon β 78% above the lowest recorded price.
- Lowest recorded: $8.99 at Amazon on Aug 15, 2026
- Highest recorded: $15.99 at Amazon on Sep 19, 2026
- Tracked since Jul 8, 2026 across 1 retailer (6 price checks)
Dashed lines mark stretches with no price checks.
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