Smoothly | Applicationceramic tile concrete iron copper plastic wood board |
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Etc | YG8 hardness alloy drill bit well abrasive |
Resistance | Triangle handle design for avoiding |
Dropping | Compatible with electric hand drill Lithium electric drill and bench drilling machine |
kawehiop 10-Piece HSS Coated Triangle Twist Spiral Drill Bit Set for Enhanced Performance, 8mm 10 pcs, 1Set Review