产品编号：201710817211
产品描述：Anchoring drilling bit, 133mm male screw rock drill bit
Anchoring drilling bit, 133mm male screw rock drill bit
Part No.
Casing Shoe
Outer Pipe
Inner Pipe
Central Bit
O.D
(mm)
L
I.D
Dia
110
125
180
84
1950
38
3660
65
133
145
111
73
105
146
152
118
115
铸件
