ITEM DIAMOND BIT REAMING SHELL
"Q" Series Wireline Size Bit-set OD Bit-set ID
mm inch mm inch mm inch
BQ 59.5 2.35 36.4 1.43 59.9 2.36
NQ 75.3 2.97 47.6 1.88 75.7 2.98
HQ 95.58 3.77 63.5 2.5 96 3.78
PQ 122 4.8 84.96 3.35 122.6 4.83
Specifications
Impregnated diamond core bit
1.High penetration rate
2.High core recovery ratio
3.long life of drilling service
Diamond core bits
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