Product

Three-wing inwardly concave composite drill bit without core extraction (The screw thread can be customized)

Four-wing inwardly concave composite drill bit without core (The screw thread can be customized)

Three-wing scraper non-core composite drill bit (thread can be customized)

80 non-core composite bit

80 caliber, specially designed for mines, customizable male and female couplings.

Flat-bottom non-core composite drill bits

One-piece formed steel body, reinforced composite piece, custom male and female fittings available.

Three-wing arc corner non-core composite drill bit

Four-wing arc angle non-removed composite sheet core drill

Five-wing arc corner non-core composite drill bit

Arc anale non-core composite drill bits

Three-wing, four-wing, five-wing, and other multi-wing options can be customized, and the threads can be customized.

Graded tower drill bits

Graded drilling to improve drilling efficiency. Secondary and tertiary different diameters can be customized.

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