| Message: | Sintered core bit is made of tungsten carbide and hard alloy, the welding of pdc disk is sintered technology and that made it a better impact resistance and wear resistance. It suits for f=12~20 but the drilling speed is slow in soft Terran. Normal Singel tubeDiameterSizeThreadODIDHeightMajor diaMin diaLength757554956866409494691208482451131138813010310145133133106140122120501531531261451411395017317314614516015850 Double tubeDiameterSizeThreadODIDHeightMaj diaMin diaLength757549120686640959568120848247 Wire core bitDiameterSizeThreadODIDHeightMaj diaMin diaLength75754990686640956268195848247Note:Customization are available url:http://www.zuanlongbits.com |
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