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Topp cobalt-containing center bit fixed-point drilling 90 degrees stainless steel lengthened centering drill titanium-plated point hole drilling 60/120 degrees4 300+ monthly purchasefrom 5 242 som/monthот 43,683 sum
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Lansheng secondary step drill step drill countersunk head screw straight shank two-stage sub-female countersunk chamfer drill 90 degrees62 monthly purchasefrom 6 150 som/monthот 51,253 sum
90 ° HSS containing high cobalt 6mm titanium plated M35 center bit coated fixed point drill stainless steel titanium plated positioning drill7 monthly purchasefrom 3 780 som/monthот 31,504 sum
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