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Factory Directly Sell High Working Speed Diamond porcelain drill bit Product Description 1. diamond core drill bit produce technique is vacuum brazed, high quality 2.Using for drilling tile, porcelain, marble,granite and other construction board 3.Thread is M14, length is 60mm, no need water when drilling, no high request for working environment 4.factory directly sell, competitive price, can accept customized |
Factory Directly Sell High Working Speed Diamond porcelain drill bit Product Description 1. diamond core drill bit produce technique is vacuum brazed, high quality 2.Using for drilling tile, porcelain, marble,granite and other construction board 3.Thread is M14, length is 60mm, no need water when drilling, no high request for working environment 4.factory directly sell, competitive price, can accept customized |
