Designed for:◆Used for re-welded with tube. ◆Application: for drilling concrete of full range of hardness. ◆Feature: Turbo segment,tough welding,faster drilling and more efficient.
Designed for:◆Used for re-welded with tube. ◆Application: for concrete of full range of hardness;reinforced concrete. ◆Feature: Roof segment,tough welding,faster drilling and more efficient.
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