Hejian Sanlong Drill Bits

17/06/2026

Take a look at our high-quality PDC Bit Subs (Bottom Adapters) — precision-machined components designed to securely connect PDC drill bits with downhole motors (screw/mud motors) and the drill string.
Hundreds of pieces ready — built strong, built to last. 💪
We supply complete PDC drill bit solutions — from bits to subs and accessories.

16/06/2026

These rugged button bits are widely used in mining, oil and gas exploration, water well drilling, and rock excavation, where superior wear resistance and durability are essential.

15/06/2026

This is a critical intermediate step in carbide-tipped or specialized drill bit production. It comes after initial machining/shaping of the steel body and carbide inserts, but before final grinding, sharpening, and quality inspection. Brazing ensures the tip stays securely attached under the high stresses of drilling.

12/06/2026

Precision machining a PDC bit body — every pass counts. 🔧💧

Watch as the cutter shapes the steel, followed by a high-pressure wash for that flawless finish. Smooth process, solid performance.

Built for the toughest downhole conditions. 🛠️👊

11/06/2026

Packing and shipping 👌

10/06/2026

Tricone Drill Bit

09/06/2026

🔨 Premium Tricone Drill Bit – Ready for Action! 💪
Built tough with high-quality tungsten carbide inserts for superior rock breaking performance. Excellent durability, strong impact resistance, and smooth rotation — perfect for hard rock formations.

08/06/2026

08/06/2026

This high-performance roller cone reamer delivers excellent hole enlargement, superior stability, and outstanding durability in challenging formations.
Customizable reaming diameter to perfectly match your project needs.
Quality you can trust. #

05/06/2026

This high-performance PDC drill bit is ready to hit the drilling site! 💪
Built with premium diamond compact cutters and optimized hydraulic design — superior wear resistance, excellent impact resistance, and high , and more efficient drilling!
Customer trust, backed by real quality!
Next project, let’s keep crushing it! 🚀