High efficiency DRA modular drill chamfering attachment DRA chamfering attachment New straight shank DRA chamfering attachment Excellent chip control in a wide range of drilling depths Chamfer size: Recommended is 4 mm | Max. is 8 mm Applicably with ø10 mm to ø20 mm shank of drill body in 3D, 5D and 8D lengths Hole diameter from ø8 mm to ø19.9 mm
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