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tricone bit parts-head series
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Product description
Number Rock Bit diameter Material Science Remarks
1 4 1/2~4 3/4″(114~121mm) 15CrNiMo/20CrNiMo  
2 4 3/4″(121mm)单牙轮体 15CrNiMo/20CrNiMo  
3 5 7/8″(150mm) 15CrNiMo/20CrNiMo  
4 6″  (150mm) 15CrNiMo/20CrNiMo  
5 6 1/2″(165mm) 15CrNiMo/20CrNiMo  
6 7 7/8″(200mm) 15CrNiMo/20CrNiMo  
7 8 1/2″(216mm) 15CrNiMo/20CrNiMo  
8 9 1/2″(241mm) 15CrNiMo/20CrNiMo  
9 9 7/8″(250mm) 15CrNiMo/20CrNiMo  
10 10 5/8~11″(270~280mm) 15CrNiMo/20CrNiMo  
11 12 1/4”(310mm) 15CrNiMo/20CrNiMo  
12 13 3/4” (350mm) 15CrNiMo/20CrNiMo  

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