Item : 4" (102mm) Vacuum brazed diamond Dry drilling bits
Specification: Diameter 102mm, 5/8-11 thread (connection), Total height 75MM, Max working depth 50mm, Diamond height 15MM
Color: Black
Quantity: 1pc
Application : Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick...
Feature: 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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Noted: Other diameter could be customized upon your requirement. Thanks.