4pcs Wet Dry Core Drill Bits M22 Thread 2.2-4.7 Inch For Concrete Block Stone

4pcs Wet Dry Core Drill Bits M22 Thread 2.2-4.7 Inch For Concrete Block Stone

USD 53.99 USD
SKU: eH7gZoGu
Brand: Unbranded
Condition: New
Categories: Home & Garden

Specifications

BrandUnbranded
ColorGreen
Material5# Steel
Surface TreatmentHigh-frequency Welding
Cutting MethodDry/Wet
Blade TeethTurbo Tooth

Good Compatibility: With standard thread M22 and hexagonal fittings, it is easy to work with different handheld water drilling rigs and benchtop water drilling rigs. Thread: M22. Powerful Function: With a maximum opening depth of about 13" and 12.20", this product has been tested to penetrate a concrete block with a thickness of 8.66" and four 14mm rebars inside in about 4 minutes and can drill 40 holes.

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