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Position: Home > Products > PCD Drill Bits > PDC Non-Coring Drill Bits > 4-Wing Concave PDC Non-Coring Bit
153 PDC Concave Four-wing Non-coring Drill Bit
153 PDC Concave Four-wing Non-coring Drill Bit

153 PDC Concave Four-wing Non-coring Drill Bit

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Product advantages

       

Diamond composite drill bit selection reference table

Rock Hardness category Soft Medium-soft Medium Medium-hard Hard Hard
Drillability level 1 2 3 4 5 6 7 8 9 10 11
Praeter hardness F≤10 10 < F≤15
Representative rocks Sandstone, limestone, marble, dolomite, pyrite, weak granite, shale Granite, strong sandstone, conglomerate, limestone, quartz veins
Compact (PDC) concave drill bit Ordinary type
    ♦ ♦ ♦ ♦ ♦ ♦

Reinforced type
    ♦ ♦ ♦ ♦ ♦ ♦ ♦
High-strength type
    ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦
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