Laser Welded Diamond Core Drill Bit For Reinforced Concrete

Laser welded diamond core drill bits for reinforced concrete are essential construction tools used in fields such as building construction, interior renovation, civil engineering, roadworks, and structural refurbishment or demolition. Our laser-welded diamond core bits feature a high-cobalt formulation, delivering exceptional performance, excellent value, and superior durability-earning them widespread favor among our many clients.

Our current range of finished diamond drill bits covers all mainstream sizes, with diameters spanning from D36mm to D350mm; larger, custom-sized bits are also available upon request. Manufactured using laser welding, the joints are uniform and securely bonded, offering exceptional weld strength that ensures segments remain firmly in place. These bits deliver superior cutting speeds-even through thick steel rebar-while maintaining stable, vibration-free operation. They provide a smooth, effortless drilling experience with high penetration rates.

* We offer a variety of threaded interfaces, including M14, M16, M22, 5/8-11, 1-1/4UNC for customers to choose from;

* Standard drill bit lengths include: l350/400/450/500MM;

* We typically offer two types of diamond drill bits segment: those with turbo-style segments and those with uniformly distributed segments. Other diamond segments for core drill configurations can be customized.

(Left:Unused diamond drill bit segments;   Right: Diamond drill bit segment that has already been used for drilling)

turbo style diamond segment for drill bits

Cement grade: C40
Rebar diameter:  D25
Number of rebar layers: 4
Concrete thickness: 400
Drilling time: 10 minutes

This data is derived from actual client operations.

Disclaimer: Results may vary depending on the specific drilling rig and the operator. We guarantee that our drilling speed can consistently reach this level; in fact, in 70–80% of cases, the drilling process is completed in under 10 minutes. Furthermore, our products offer a significantly longer service life compared to those of our competitors. We welcome clients-especially professional construction teams-to conduct comparative tests.

Small-sized diamond drill bits are individually packed in cardboard boxes.
Large-diameter bits are wrapped in foam and secured in wooden crates.
For special sizes, custom-made wooden crates are used for packaging and protection.

Located in Quanzhou, Fujian Province-a region renowned as a hub for the diamond tool industry-our company benefits from a robust industrial ecosystem that offers lower production costs, competitive raw material pricing, and comprehensive supporting services. We strictly adhere to the ISO9001 quality management system, and with nearly two decades of accumulated industry experience, we deliver products of exceptional, consistent quality at highly attractive price points, ensuring superior value for our customers. We provide OEM and ODM services for diamond drill bits to a number of well-known brands.

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