Item: Vacuum brazed diamond core bits with hexagon shank, dry drilling bits, professional quality
Quantity: 5pcs (5mm+6mm+8mm+10mm+12mm) + Aluminum Box
Specification: shank hexagon
Application: Dry drilling for porcelain tile, granite, marble, Masonry
Feature: Good quality box to avoid losing, and helpful for collection
1.Fast and Smooth drilling,
2.Long lifetime
3.Less Chipping
4.Minimizing any breakage
5.Less loss of material
6.Less heat generation
7.Better finish quality
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