Industrial Diamond Drill Bits
China Super Tech Co., Ltd. supplies heavy-duty Industrial Diamond Drill Bits engineered for continuous coring in reinforced concrete and hard masonry. We utilize a 35% cobalt-rich pre-alloyed bond matrix sintered via vacuum hot-pressing. This specific metallurgical composition locks synthetic diamonds in place, allowing the crown to wear evenly while maintaining sharpness. Unlike standard electroplated bits that strip under stress, our laser-welded segments resist delamination when cutting through rebar, making them the reliable choice for industrial contractors.
- Product Introduction
Product Features
1.Extended Service Life
The 35% cobalt matrix provides superior retention compared to standard iron-based bonds. Diamonds remain seated longer, delivering 80–120 holes in C30 concrete before replacement.
2.Rebar-Resistant Segments
Laser-welded segment attachment ensures structural integrity. The bits penetrate HRB400 rebar without segment loss-a common failure point for cheaper brazed or electroplated alternatives.
3.Clean, Undamaged Cores
Thin-wall geometry reduces friction and torque. Wet drilling prevents micro-cracking, ensuring cores remain intact for structural testing or precise utility installations.
Applications
1.Structural Foundation Anchoring (Factories & Plants
Drilling Ø20–40 mm holes for anchor bolts in C30–C40 concrete foundations. Our bits provide non-percussive coring, complying with ASME B31.3 standards for piping installation by preventing vibration-induced cracks in critical infrastructure.
2.Municipal Utility Access
Creating Ø100–160 mm openings in reinforced concrete manholes for water and sewer lines. The laser-welded segments cut through rebar cleanly, while wet drilling controls dust, meeting OSHA silica exposure regulations and local environmental codes.
3.Material Testing Laboratories
Extracting Ø100 mm concrete core samples from bridge decks or floor slabs. The high concentricity of our barrels ensures cores are free from edge fractures, qualifying them as valid specimens for ASTM C39 compressive strength tests.
4.Industrial Workshop Fitting
Machining precise holes in granite surface plates, refractory bricks, or ceramic tiles for jigs and fixtures. The diamond matrix handles extreme hardness without the chipping associated with carbide-tipped masonry bits.
Customization Services
We offer engineering support to match the drill bit performance to your specific substrate and machinery:
1.Matrix Optimization
We adjust the bond hardness (Soft/Medium/Hard) and diamond concentration based on your material-whether it's high-silica concrete, abrasive refractory brick, or natural stone. We avoid generic "one-size-fits-all" formulas.
2.Dimensional Flexibility
Available in diameters from Ø6 mm to Ø350 mm. Custom lengths up to 450 mm are available for deep coring applications.
3.Machine Compatibility
Supply with various connections including 1-1/4" UNC, M14, or 5/8"-11 threads to fit your existing rigs or handheld drills.
4.Private Labeling
As an ISO-compliant manufacturer, we provide laser etching of your logo and batch codes directly onto the barrel, leveraging our proprietary cobalt-matrix technology as your supply chain advantage.
Specification
|
Specification |
Details |
|
Product Name |
Industrial Diamond Drill Bits |
|
Material |
Industrial Diamond + Alloy Steel Body |
|
Diamond Type |
Synthetic Diamond |
|
Diameter Range |
3 mm – 350 mm (Custom Sizes Available) |
|
Drill Bit Type |
Core Drill Bit, Hole Saw, Solid Drill Bit |
|
Bond Type |
Electroplated, Vacuum Brazed, Sintered |
|
Shank Type |
Round Shank, Hex Shank, Threaded Shank (Customizable) |
|
Working Length |
10 mm – 450 mm (Customizable) |
|
Surface Finish |
Nickel Plated / Polished |
|
Cutting Method |
Wet Cutting / Dry Cutting |
|
Applicable Materials |
Stone, Granite, Marble, Concrete, Ceramic, Glass, Quartz, Tile |
|
Hardness |
High Wear Resistance |
|
Operating Speed |
Customized According to Application |
FAQ
What materials can industrial diamond drill bits be used for?
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Industrial diamond drill bits are designed for drilling hard and abrasive materials such as granite, marble, concrete, ceramic tiles, glass, quartz, and composite materials. They are widely used in construction, stone processing, mining, and precision machining applications where conventional drill bits cannot provide sufficient cutting performance.
Why do diamond drill bits have a longer service life than traditional drill bits?
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Diamond drill bits use synthetic diamond particles with extremely high hardness and wear resistance, allowing them to maintain sharp cutting performance during continuous operation. Compared with carbide or steel drill bits, diamond tools generate less wear, reduce tool replacement frequency, and help lower overall processing costs.
How can I choose the right diamond drill bit for my application?
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The correct diamond drill bit depends on the drilling material, hole diameter, drilling depth, machine type, and cutting conditions. For example, electroplated diamond drill bits are suitable for precision drilling of glass and ceramics, while vacuum brazed or sintered diamond drill bits are better for heavy-duty cutting of stone and concrete.
Why does my diamond drill bit wear quickly during operation?
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Fast wear is usually caused by selecting the wrong diamond grit size, unsuitable bond type, excessive drilling pressure, insufficient cooling, or using the bit on materials beyond its recommended range. Choosing the correct diamond concentration, bond design, and operating parameters can significantly improve drilling efficiency and tool lifespan.
Can industrial diamond drill bits be customized for special applications?
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Yes. Manufacturers can customize diamond drill bits according to specific customer requirements, including diameter, working length, diamond grit size, bonding method, shank design, and drilling performance. Custom solutions are commonly used for special industries such as aerospace, electronics, stone fabrication, and precision manufacturing.
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