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Composition: HIGH CARBON STEEL
Type: TRICONE BIT
Use: WATER WELL DRILLING
Specification: 8 1/2 INCH
215.9mm: 8 1/2''
Hejian Longyue Drill Bit Manufacturer Co.,Ltd
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Composition: HIGH CARBON STEEL
Type: TRICONE BIT
Use: WATER WELL DRILLING
Specification: 8 1/2 INCH
215.9mm: 8 1/2''