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Bosch 4 in. x 7 in. x 12 in. SDS-MAX Carbide Rotary Hammer Core Bit for Masonry and Carbide Drilling HC8550 - The Home Depot
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length 310mm 12.4'' ] Diameter 3-50mm 0.12''-2'' Carbide Core Drill Bits | Hammer Hole Saw Sds Max Sds Plus Square Hex Shank - Drill Bit - AliExpress
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Carbide Hammer Hole Saw | Carbide Drill Bits | Ncctec Drill Bits | Sd Plus Drills - 370mm - Aliexpress
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length 540mm 21.6'' ] Diameter 3-50mm 0.12''-2'' Carbide Core Drill Bits | Hammer Hole Saw Sds Max Sds Plus Square Hex Shank - Drill Bit - AliExpress
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