5inch Tungsten Carbide Drag Drill Bit 3-Wing Stepped Bit TCI Drill Bit for Well Drilling


The 5-inch (127mm) three-wing carbide stepped drag bit is the standard drag bit for domestic water-well drilling, achieving 2-10 m/min ROP in soft to medium formations.

Factory sales 180mm 7inch Tungsten Carbide Alloy Core Drilling Bit Water Well Core Bit


Type: 177mm alloy core drill bit They are less prone to chipping or breaking in heterogeneous, hard interlayers, fractured or abrasive formations, and are more suitable for working conditions with greater impact loads.

110mm 3-Blade Alloy Drag Bit Tungsten Carbide Stepped Drill Bit for Well Drilling


110mm 3-Blade Alloy Drag Bit Blade material: carbon steel with tungsten carbide hardfacing on leading edges. Standard thread: 2-7/8 API REG. Bit weight: 2.8-3.5 kg.

140mm 3-Wing Carbide Tipped Step Drill Bit Drag Bit TCI Stepped drill bit for Well Drilling


The 140mm three-wing carbide stepped drag bit from SUNGOOD TECH carries 15-18 tungsten carbide inserts,with 3-1/2 inch API REG connection.

3 7/8inch 98mm 3-Wing Alloy Drag Bit TCI Stepped drill bit for Well Drilling


Tungsten carbide alloy stepped drill bits are made according to API standard or no thread standard just welding. Various step and chevron drag bits are available from 3 inch to 17 1/2 inch.

3-Wing Tungsten Carbide Stepped Bit Alloy drag Drill Bits for Well Drilling


Alloy Drag Bits also named stepped bits, with a Tungsten Carbide inserts on the blades.They are usually designed for use in soft formations such as sand, clay, or some soft rock.

Customized 96mm Core Drill Bit for Water Well Drilling with Tungsten carbide cutters


Tungsten carbide cutters core bits achieve ​​5-8× longer lifespan​​ than conventional bits in hard rock formations (e.g., granite, quartzite), enabling ​​>95% core recovery rates​​ critical for mineral exploration, deep geothermal projects, and scientific drilling.

Factory 300mm Water Well Reamer Well Drill Bit Tower Drill Bit


SUNGOOD TECH's tower-type tungsten carbide cutters water well drill bits feature multi-tiered structure design and WC-Co teeth, offering extended lifespan and high-precision boring for deep wells in hard rock formations.

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