1.High-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable diamond core drill for stone/concrete PDC drill bit is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of hard and durable from...

high-quality high- elastic rigid automatically adjustable stable Drilling parameterDia. mmDrilling pressure (Kg)Rotate speed (rpm)Pump volume...

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable 30 mm PDC diamond drill bit  introduction  30 mm PDC diamond drill bit is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of...

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable 28MM PDC anchor drill bit  introduction 28MM PDC drill bit is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of hard and durable...

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable 65mm PDC drill bit  introduction65mm PDC drill bit  is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of hard and durable...

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable 4 wings 65 mm PDC drill bit introduction4 wings 65 mm PDC drill bit  is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of hard...

1.high- elastic 2.rigid 3.automatically adjustable 4.stable diamond pdc bits introduction PDC drill bit is super hard material combined with diamond and hard alloy under high temperature. It not only has the advantages of hard and durable from diamond, but also has the...

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable spiral mining  drill pipespiral mining  drill pipe Spiral craft: prestressed wire winding and welding with single strip steel or double strip steel, based on the big torque of geological...

1.Using alloy material,Intensity big 2.Remove convenient,long operating life 3.Footage fast 4.Safe use 5.Sealing is reliable A,Geological exploration drill series of water introduced...

1.high-quality 2.high- elastic 3.rigid 4.automatically adjustable 5.stable The six-party spiral drill pipe,twist drill pipe /spiral drill pipe/twist drilling rod spiral drill pipe/twist drilling rod Craft: prestressed wire winding and welding on the basis of merits from...