Shank Adapter,Drill rod,DTH hammer and bits,Tophammer bit,Casing pipe,Tricone bit,Core bit.

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JESSIN ROCK DRILL CO.,LIMITED
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casing shoe/ tungsten carbide casing shoe bits

 

Casing bit & Casing Shoe Bits are used for standard drilling down or positioning casing tubes into drill holes.

Casing Shoe Bit 
The inside diameter 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 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.

 

 Size Available:

 

Wireline Series:  B,N,H,P

W Series:  RW,EW,AW,BW,NW,HW,PW,SW,UW,ZW,HWT,PWT,BWS,NWS,HT,PT,SZ
Metric Series:  46,56,66,76,86,101,116,131,146
X Series:  RX,EX,AX,BX,NX,HX,PX,SX,UX,ZX
All Chinese Sizes 

 
Crown Height:
JESSIN offers crown impreg depths of  9mm, 12mm, and 16mm .The taller crown heights provide improved bit stability and reduced vibrations, enhancing bit life and performance.

Waterways: 
Various waterways are available for diamond impregnated bits. Differing waterways allow for better flushing in various ground conditions and drilling systems.

Matrix:
JESSIN impregnated bits matrices can be selected by our engineer according to ground conditions at client's work site.

 

Threads:

standard WL threads as well as thread types required by clients are available.

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Tel: +86-(0)731-85778491 Fax: +86-(0)731-85778492
Mobile:+86-15364024561 E-mail: jessinhammer@163.com