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Taper string mills
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Are purposed to handle tubes having ellipse form (for reconstruction the inner diameter), to dismill squeezed tubes whilst repairing boreholes, to smooth the inside surface's imperfection of casing strings, to refine "the window" in the casing string. Are subdivided into types: FKK2 - matrix one (reinforced with hard alloy grits), taper reamer-mill (RK2). RK2 - distinct from FKK2 in the angle of the cone incline (the angle RK-5 degrees, the angle FKK - 10 degrees). At a client's request we are ready to supply an instrument with another sizes, different from the data, given in the table.
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Type |
Outside diameter,
mm/In |
Coupling thread* |
GOST 28487-90 |
API 7 |
FÊÊ2-85 |
85 |
Ç-42 |
— |
FÊÊ2-90 |
90 |
Ç-66 |
23/8 Reg |
FKK2-93 |
93 |
Ç-66 |
23/8 Reg |
FKK2-100 |
100 |
Ç-66 |
23/8 Reg |
FKK2-105 |
105 |
Ç-66 |
23/8 Reg |
FKK2-106 |
106 |
Ç-66 |
23/8 Reg |
FKK2-114 |
114 |
Ç-76 |
27/8 Reg |
FKK2-115 |
115 |
Ç-76 |
27/8 Reg |
FKK2-118 |
118 |
Ç-76 |
27/8 Reg |
FKK2-120 |
120 |
Ç-76 |
27/8 Reg |
FKK2-121 |
121 |
Ç-76 |
27/8 Reg |
FKK2-122 |
122 |
Ç-76 |
27/8 Reg |
FKK2-123 |
123 |
Ç-76 |
27/8 Reg |
FKK2-124 |
124 |
Ç-76 |
27/8 Reg |
FKK2-125 |
125 |
Ç-76 |
27/8 Reg |
FKK2-126 |
126 |
Ç-76 |
27/8 Reg |
FKK2-127 |
127 |
Ç-88 |
31/2 Reg |
FKK2-130 |
130 |
Ç-88 |
31/2 Reg |
FKK2-135 |
135 |
Ç-88 |
31/2 Reg |
FKK2-136 |
136 |
3-88 |
31/2 Reg |
FKK2-137 |
137 |
Ç-88 |
31/2 Reg |
FKK2-140 |
140 |
Ç-88 |
31/2 Reg |
FKK2-141 |
141 |
3-88 |
31/2 Reg |
FKK2-142 |
142 |
3-88 |
31/2 Reg |
FKK2-143 |
143 |
Ç-88 |
31/2 Reg |
FKK2-144 |
144 |
Ç-88 |
31/2 Reg |
FKK2-145 |
145 |
Ç-88 |
31/2 Reg |
FKK2-146 |
146 |
Ç-88 |
31/2 Reg |
FKK2-147 |
147 |
3-88 |
31/2 Reg |
FKK2-148 |
148 |
Ç-88 |
31/2 Reg |
FKK2-149 |
149 |
3-121 |
41/2 FH |
FKK2-150 |
150 |
3-121 |
41/2 FH |
FKK2-162 |
162 |
Ç-121 |
41/2 FH |
FKK2-164 |
164 |
3-121 |
41/2 FH |
FKK2-198 |
198 |
Ç-121 |
41/2 FH |
FKK2-223 |
223 |
Ç-147 |
51/2 FH |
FKK2-272 |
272 |
Ç-147 |
51/2 FH |
RK2-120,6 |
120,6 |
3-76 |
27/8 Reg |
RÊ2-122 |
122 |
Ç-86 |
NC-31 |
RÊ2-124 |
124 |
Ç-86 |
NC-31 |
RK2-141 |
141 |
Ç-88 |
31/2 Reg |
* It is possible to produce a coupling thread at a clients request.
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