China Mining Machinery Well Drilling Tools Rock Drilling Tools Solid Carbide Three Tricone Bit, Find details about China Mine Bit, Tricone Bit from Mining Machinery Well Drilling Tools Rock Drilling Tools Solid Carbide Three Tricone Bit
IADC | WOB(KN/mm) | Penetration rate(r/min) | Applicable strata |
417/427 | 0.3-0.9 | 150-70 | Very soft formation has low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone and so on |
437/447 | 0.35-0.9 | 150-70 | |
515/525 | 0.35-0.9 | 180-60 | |
517/527 | 0.35-1.0 | 140-50 | Soft formation has low compressive strength and high drillability, such as mudstone, gypsum, salt, soft shale, soft limestone and so on. |
535/545 | 0.35-1.0 | 150-60 | Soft to medium soft with low compressive strength, such as medium soft shale, medium soft limestone, medium soft sandstone, forming medium hard and hard grinding interlayer. |
537/547 | 0.4-1.0 | 120-40 | |
617/627 | 0.45-1.1 | 90-50 | With high compressive strength in hard formation, such as hard shale, limestone, sandstone, dolomite, etc. |
637 | 0.5-1.2 | 80-40 | Hard formation has high compressive strength, such as sandstone, limestone, dolomite, gypsum, marble, etc. |
737 | 0.7-1.2 | 70-40 | Hard formation has high compressive strength, such as hard limestone, dolomite and so on. |
827/837 | 0.7-1.2 | 70-40 | Hard strata with high compressive strength and high abrasiveness, such as hard limestone, dolomite, hard sandstone, flint, etc. |
US $450-480 / Piece | US $550-720/ Piece | US $18-38/ Piece | US $980-1200/ Set | US $ 260-280/piece |
US $588-890 / Piece | US $980-1008/ Piece | US $22-45/ Piece | US $19-28/ Set | US $ 2-4/piece |
US $145-150 / Piece | US $0.6-8/ Piece | US $1-3.5/ Piece | US $0.5-2/ Set | US $ 1.5-2/piece |
US $9.8-12/ Piece | US $3-8/ Piece | US $1.8-5.2/ Piece | US $3-5/ Set | US $ 3-5/piece |
US $16,000 / Piece | US $25-55/ Piece | US $28-32/ Piece | US $620-640/ Set | US $ 9-36/piece |