Professional-grade tile cutting and laying tools, a great helper for home decoration/construction projects.

Professional Carbide Triangle Drill Bit Set with Dual-Spiral Flutes (6mm - 12mm) – High-Efficiency Tile, Brick & Glass Boring Tools 1

Professional Carbide Triangle Drill Bit Set with Dual-Spiral Flutes (6mm - 12mm) – High-Efficiency Tile, Brick & Glass Boring Tools 2

Professional Carbide Triangle Drill Bit Set with Dual-Spiral Flutes (6mm - 12mm) – High-Efficiency Tile, Brick & Glass Boring Tools 3

Professional Carbide Triangle Drill Bit Set with Dual-Spiral Flutes (6mm - 12mm) – High-Efficiency Tile, Brick & Glass Boring Tools

Stop dealing with cracked ceramic tiles and burnt boring tips during your home renovation or industrial masonry projects.

Engineered for precision and built to last, our Powder-Coated Carbide Triangle Drill Bits deliver flawlessly clean holes every single time. Combining a ultra-hard cross-spearhead tip with an advanced dual-spiral flute geometry, this premium bit set bridges the gap between raw cutting speed and delicate material handling. Whether you are a professional contractor setting up kitchen backsplashes or a DIY enthusiast mounting bathroom hardware, this heavy-duty 4-piece set (6mm, 8mm, 10mm, 12mm) fits standard rotary power drills and hand-held electric guns seamlessly, delivering smooth boring with minimal chipping.

Model:

TS-DR7311

MOQ::

500

Color::

Customizable

Lead Time::

30day-45day

Samples::

We can offer 1-2pcs samples

Customization::

OEM, ODM, Private Label Service

Payment Method::

T/T, L/C

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Product Description

🧰 Technical Specifications

Material: Premium Tungsten Carbide Alloy (YG8 Grade Head)
Surface Finish: High-Durability Black Powder Coating (Anti-Rust & Friction Reduction)
Shank Type: Round/Straight Shank (Optimized for standard hand-held electric gun drills)
Size Variety: Available in 6mm, 8mm, 10mm, and 12mm diameters
Target Materials: Ceramic Tiles, Vitrified Brick, Glass, Marble, Granite, Wood, and Thin Metals

💎 Why This Drill Bit Outperforms Standard Masonry Bits

Upgraded Dual-Spiral Flutes: Unlike single-flute bits, our deep twin-spiral groove architecture forces dust, chips, and slurry out of the boring hole rapidly. This prevents heat buildup, eliminates binding, and speeds up your project workflow.
Reinforced Triangle Spearhead Tip: The hardened alloy cross-spearhead design centers beautifully on sleek tile glazes, preventing bit walking or skating without requiring a center punch. It distributes pressure evenly to eliminate edge blowout and clean cracks.
Industrial Powder-Coated Layer: The distinctive black powder-coated finish isn't just for aesthetics. It serves as a thermal barrier and a protective layer against oxidation, ensuring the bit remains razor-sharp through hundreds of drill cycles.
Vibration-Free Round Shank: Form-fitted for standard jaw chucks, the shank provides maximum torque transmission and prevents slipping inside the drill head, maximizing user control and safety.

Professional Carbide Triangle Drill Bit Set with Dual-Spiral Flutes (6mm - 12mm) – High-Efficiency Tile, Brick & Glass Boring Tools 4

🏠 Where to Use It

Mounting bathroom towel bars over delicate porcelain or ceramic tile walls.
Boring water drainage or plumbing holes through rigid marble or concrete backsplashes.
Precision drilling in thick glass panes and mirrors for customized lighting fixtures.

⚠️ Pro Tips for Maximum Tool Life

Water Cooling is Key: When drilling through ultra-hard materials like porcelain tiles, granite, or glass, continuously apply water or cooling lubricant to the drilling site. This preserves the carbide tip and doubles its lifespan.
Adjust the Speed: Keep your power drill at a moderate to low speed (RPM). High-speed friction can overheat the alloy tip.
No Impact Mode: Turn off the hammer/impact setting on your rotary hammer drill. This tool requires smooth, consistent rotational cutting pressure to avoid shattering fragile materials.

Can I use this triangle drill bit with an impact driver or hammer drill?

This bit is optimized for standard rotary drills and electric hand drills. You should always use it in "Rotary-Only" mode. Turning on the impact or hammer setting will cause sudden shock forces that can fracture the carbide tip or shatter the ceramic tile you are working on.

How do I prevent tiles from cracking when starting a hole?

Our specialized triangle spearhead tip naturally anchors itself on smooth surfaces. For best results, place a piece of painter's tape over the drilling spot to add extra traction, start the drill at a low RPM to score the surface glaze, and then gradually apply steady downward pressure.

What makes the black powder coating better than bare steel bits?

The high-temperature powder coating shields the underlying alloy from environmental moisture, drastically cutting down on rust. Additionally, it lowers friction between the spiral flute and the borehole wall, minimizing heat retention which is the primary cause of drill bit degradation.

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+86-13917053081

sale@shtengwei.com

Room 213, No. 389 Jinwan Road, Pudong New Area, Shanghai

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