Specifications

Casing & Casing Shoe Bits are used for standard drilling down or positioning casing tubes into drill holes.
ZM makes four type

casing shoe bit/Surface set Casing/Casing shoe/Rod Shoe Bits/casing shoe impregnated bit/Casing shoe bit/Rod Shoes

 

Casing & Casing Shoe Bits are used for standard drilling down or positioning casing tubes into drill holes.Casing Shoe Bit /coasing & coasing shoe bits
The inside diameter(ID) of the casing shoe bit is not set with diamonds sometimes(surface set Type) and flush with the inside diameter of the casing. Basically,the corresponding size of Drill Bits and Core Barrels have to get through the inner diameter of the casing shoe bits more freely. 

• Casing Bit
  The inside diameter of the Casing Bits are set with  diamonds and is smaller than the Casing  Shoe Bits. It will not permit the passage of the core barrel.
  
  
• Rod Shoe Bit
• We also can make the Rods Shoe Bits to use with the Wireline Drill Rods.
• Depending on the cutting media, ZM make four kinds of Casing & Casing shoes & Rod Shoe Bits:
•  
• ---Impregnated Diamond Casing & Casing shoe & Rod Shoe Bits
• ---Surface set Casing & Casing shoe & Rod Shoe Bit
• ---Tungsten Carbide Casing & Casing shoe & Rod Shoe Bits
• ---Electroplated Diamond Casing & Casing shoe & Rod Shoe Bits
•