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5 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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4 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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8 1/2 Tri-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Quad-Wing Bit
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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7 1/2 Tri-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Quad-Wing Bit
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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8 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Flat Top Bits
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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3 1/2 Three-Wing Bit, Water Well Bit, Rock Drilling Bit, Earth Bit, PDC Bit, Oil Bit, Four-Wing Concave Bit
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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5 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Step Bits
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th
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3 1/2 Tri-Wing Bits, Water Well Bits, Rock Drill Bits, Earth Bits, PDC Bits, Oil Bits, Step Bits
4.Composite sheet reinforced:There are mainly1304,1308,1313,1613,1906,1908,Routine for1304,Enhanced1308 Specifications are75#,91#,110#,130#,150#,170#.In general, conventional 1304 is the most common, and the dosage is also the largest. According to the formation conditions, it can be matched with th