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10 5/8" SA415Bit Introduction DRILLING BIT
Characteristic of Cutting Structure
Drainage of partial wedge tooth, inside the row cone ball pointed teeth 

Applicable Stratum and Stratum Parameter
Used for low compressive strength, high drillability of extremely soft formation, such as: shale, soft limestone, soft sandstone, gravel clay, soft dolostone, salt, coal, etc 

Palm Protection
Wear-resisting shirt-tail apply welding resistant alloy, palm, palm with pointed back hard alloy tooth protection

Product Characteristic
IADC Code            415
Bearing Type          Roller-steel ball-roller-thrust block/seal 
Circulating Medium         Compressed air 
Cutting Structure 
Type/Number of Internal Inserts   Cone ball tooth 
Type/Number of External Inserts  Partial wedge tooth 
Type/Number of Back Conical Insert   Ball head gear
Connecting Thread          6 5/8″API
Diameter of Bit         270mm
Weight of Bit          74Kg

Recommended Operation Parameter
Bit Pressure              10630-21250lb
Rotational Speed             100-60rpm
Air Pressure             0.2-0.4MPa