517rotary tricone rock drill bit oil and gas equipment drilling

Model

TCI BIT, STEEL TOOTH BIT

IADC CODE

 **6 **7 *2 ***7 **6 **7 **6 **7 **6 **6 **6 **7 **6 **7 **6 **7 **5 **5 **5 **5 **5 **5 **5 **5 **5 **4 **4 **4 **4 **1 **1 **1 **6 **7

**7 **7 **7 **7 **7 **7 **7 **7 **7 **7 **7 **2 **5 **5 **5 **5 **5 **5 **5 **6 **7 **6 **6 **7 **6 **6  **7 **7 **6 **6  **5

available sizes:

From 2 7/8 to *6”

larger sizes for hole opener bit ,reamer bit

advantage

most favorable price and best quality

bearing type:

sealed bearing and non-sealed bearing

HJ(metal sealed journal bearing)  

HA (rubber sealed journal bearing

aircooled bearing type

Formation or layer

soft ,medium soft ,hard,medium hard,very hard formation

Button size (extra features)

Button bit,saw teeth

1) Y-Conical teeth  2) X-chisel teeth

3)K- wide teeth

4)G- Gague protection

Material

Alloy steel ,carbide

Packing

Wooden case or steel case

Payment terms

T/T,L/C,Western union

Delivery terms

By sea or by air