Customization: | Available |
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After-sales Service: | Yes |
Warranty: | 6 Months |
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Chuan-4 chuan-5 conventional coring tools for medium soft to hard formation
Model | C5-4 | 250P4 3/4″ | C7-4 | 250P6 3/4″ |
Length mm | 18400 | 18290 | 18400 | 18290 |
Outter pipe OD* ID,mm |
121×93 | 120×65 | 172×136 | 171×145 |
Inner pipe OD* ID,mm |
85×72 | 66×68 | 121×108 | 101×60 |
top connection | 3 1/2IF | 3 1/2IF | 4 1/2IF | 4 1/2IF |
drill bit,in | 5 7/8-6 1/2 | 5 7/8-6 1/2 | 7 1/2-9 5/8 | 8 1/2-9 5/8 |
diameter,mm | 66 | 66 | 101 | 101.6 |