HA Series Kingdream rock bit tricone roller cone bits IADC Codes

HA116/117:

Low compressive strength, high drill ability extremely soft ground such as Soft shale, clay, rock salt, etc

HA126/127:

low compressive strength, high drill ability very soft ground, such as shale, clay, rock salt, limestone and other soft

HA136/137

Low compressive strength of soft to medium soft ground or soft rock formations in the hard laminated, such as anhydrite, soft limestone, sandstone, etc.

HA216/217

Medium hardness, high compressive strength, and a hard interlayer, such as hard shale, sandstone, limestone, etc

HA317:

high compressive strength, the hard and abrasive formations such as limestone, dolomite, sandstone, flint, etc

HA337:

high, hard abrasive formations, such as the hard limestone, dolomite, sandstone, flint, etc

HA417

Low compressive strength, high drill ability very soft ground, such as shale, clay, sandstone, conglomerate, etc

spoon-shaped large-diameter side in the top row of teeth, wedge-shaped outer rows of teeth

HA437

Low compressive strength, high drill ability very soft ground, such as Shale, clay, sandstone, soft limestone, conglomerate

HA447G

low compressive strength, high drill ability very soft ground, such as shale, clay, sandstone, conglomerate, etc

within a row of conical teeth, outer row of wedge-shaped teeth, and increase the number of tooth rows

HA517G

low compressive strength, high drill ability very soft ground, such as shale, clay, sandstone, conglomerate, etc

HA527G

soft formations with low compressive strength, such as shale, clay, sandstone, soft limestone, rock salt, anhydrite, etc

conical long rows of teeth inside the cone-shaped spoon, wedge-shaped outer rows of teeth, tooth cloth is not equidistant

HA537G/HA547G:

low compressive strength, the soft, hard abrasive interlayer, such as hard shale, anhydrite, soft limestone, sandstone, dolomite, etc

spoon-shaped top side in rows of teeth, wedge-shaped outer rows of teeth, tooth cloth is not equidistant

HA617G/627G

high compressive strength, the hard, hard laminated with thick, such as hard shale, limestone, sandstone, dolomite, etc

within the large arc-shaped rows of teeth spoon, wedge-shaped outer rows of teeth, tooth cloth is not equidistant

HA637G/647G

high compressive strength, the high hard and abrasive formations such as limestone, dolomite, sandstone, flint, etc

within the large arc-shaped rows of teeth spoon, spherical outer rows of teeth

HA737G/837G

High, hard abrasive formations, such as the hard limestone, dolomite, sandstone, flint, etc

within the large arc-shaped rows of teeth spoon, spherical outer rows of teeth

Tricone Bits and PDC bits packages parameters

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    Below 100kg,  Suggest by DHL/FeDex/UPS/TNT internation express, between 100~500kg ,suggest

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