Dongcheng DZZ190 | Diamond Core DrillThe Dongcheng DZZ190 Diamond Core Drill is a 3 speed drilling machine for drilling holes in brick, masonry, and concrete. Its gear selection allows users to match speed with drilling diameter, improving control and bit life. Pro Tip Use the lower gear for larger core bits and the higher gear for smaller holes; overspeeding large bits can cause vibration and poor cutting. Buyers Selection Guide Choose the DZZ190 if you need a larger drilling capacity

and Polypropylene

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car detailing

7mm router for regular woodworking

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and material preparation on suitable surfaces

When drilling masonry

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and light renovation work in wood

For cleaner holes in wood

it features a 1000-point data log