Tricone Bits Rotary Piling Rig Rock 10-5/8 Holder Type For Hard Rock Drilling
Specification of Roller Bits
Size | TC Bit Dia.(mm) | TC Bit No. (PCS) | TC Bit Height(mm) | Dia. of Roller(mm) | Height of Roller(mm) | Remarks |
8-1/2’ | 13 | 42 | 7 | 134 | 83 | Both Welding and holder type are available |
13 | 55 | 7 | 130 | 83 | ||
14 | 42 | 9 | 138 | 83 | ||
14 | 55 | 9 | 134 | 83 | ||
15 | 45 | 8 | 141 | 83 | ||
10-1/2’ | 17 | 50 | 11 | 170 | 98 | |
12-1/4 | 14 | 75 | 9 | 186 | 130 |