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210/250/350mm Round Shank Electric Hammer Drill Bits 10-25mm Cross Type Tungsten Steel Alloy SDS Plus for Masonry Concrete Rock - AliExpress
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Milwaukee Tool - Auger & Utility Drill Bits; Shank Diameter: 7/16 in; Shank Size: 3/8 in; Shank Type: Hex; Tool Material: Carbon Steel; Coated: Coated; Coating: Oxide; Twist Length: 15 in - 38745261 - MSC Industrial Supply
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How to Choose the Right Type of Drill Bit for Steel, Wood, Tiles, Glass, Masonry and Plastic - Dengarden
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