91mm

NQ PDC core bits are essential components in geological drilling, coal mining, and hydraulic engineering ventures. Their multifunctionality makes them indispensable in various construction projects, including roadway, rail, and bridge development, where efficiency is paramount.

The PDC NQ Series core bit, crafted from PDC(Polycrystalline Diamond Compact) or natural/synthetic diamond materials, serves as a cornerstone in geological exploration and engineering endeavors, delivering dependable data with precision and efficiency.

With an array of face profiles and diverse diamond sets, it presents a cost-effective solution adaptable to various conditions, ensuring optimal performance and longevity.

Application: Widely utilized in geological exploration , coalfield mining, water well drilling , water conservancy, and hydropower projects, this core bitoffers versatility across multiple sectors.

Applicable Strata: Effective in soft and medium-hard rock formations, including sandstone, shale, limestone, conglomerate, marble, etc., with a compressive strength (f) of up to 12.

Features:

Offers approximately 10 times the lifespan of carbide drill bits, ensuring prolonged durability and performance.

Provides roughly 4 times the lifespan of diamond drill bits, guaranteeing reliable and consistent results in drilling operations.