Q5 Tapered Button Bit (5 Teeth): The Specialist for Fast Penetration
Why choose the Q5? The Q5 Tapered Button Bit (5 Teeth) is specifically engineered for fast penetration. Unlike bits with more buttons, the 5-button configuration creates larger clearance between the teeth, allowing for superior rock debris removal (flushing) during operation.
As a professional Tapered Button Bits manufacturer, Topking uses high-grade tungsten carbide to ensure these bits stay sharp even in abrasive rock conditions. It is the perfect choice for small-hole drilling in quarrying and mining.
Typical Applications
Limestone and Sandstone quarrying (f=6-14).
Small-hole drilling for residential construction foundations.
Road maintenance and asphalt rock excavation.
Fast advance drifting in underground mining roadways.
💡 Complete Rock Breaking Solution
Step 1: Use the Q5 bit to drill holes quickly.
Step 2: Fill holes with Topking Expansive Mortar (HSCA) to crack the rock silently.
Model Comparison: Q5 vs. Q8 Button Bits
| Feature | Q5 (Fast Series) | Q8 (Heavy Series) |
|---|
| Penetration Speed | Highest | Standard |
| Rock Hardness | Medium-Hard (f=6-14) | Very Hard (f=14-18) |
| Flushing Efficiency | Excellent (5-teeth gaps) | Standard |
Product Specifications:
Button Configuration: 5 Tungsten Carbide Buttons
Bit Diameter: 32mm - 48mm
Taper Degree: 4°46’, 6°, 7°, 11°, 12°
Connection Shank: Hex 19mm, Hex 22mm, Hex 25mm
Skirt Type: Normal Skirt / Long Skirt

TAPER DRILL BIT SIZES CHART

Q5 Tapered Button Bit FAQs & Drilling Performance
Q1: Why choose the Q5 5-button design for drilling speed?
A: The 5-button layout creates wider chip-removal channels between the carbide tips. This optimizes rock dust flushing, enabling the bit to strike fresh rock with every blow rather than re-crushing old debris, which leads to a significantly faster penetration rate in medium-hard formations.
Q2: Which pneumatic rock drill is most recommended for Q5 bits?
A: Q5 bits are a perfect match for standard handheld rock drills like the Y24, Y26, and YT27. They are specifically designed to handle the impact frequency of these machines while maintaining high torque efficiency.
Q3: Does the Q5 design help reduce drill rod jamming?
A: Yes. Because rock debris is flushed out more effectively through the 5-teeth gaps, there is less friction and "packing" around the bit head. This significantly lowers the risk of getting your drill rods stuck, especially in fractured or weathered rock layers.
Q4: Can I use the Q5 bit for dry drilling without water?
A: Absolutely. The Q5 is an industry specialist for dry drilling (air flushing). Its high-clearance design prevents dust from clogging the face of the bit, making it the premier choice for surface quarrying in arid regions where water supply is limited.
Q5: What taper degrees are available for the Q5 button bit?
A: We manufacture Q5 bits in all global standard taper degrees: 7°, 11°, and 12°. It is critical to match the bit's taper to your drill rod (e.g., a 7-degree rod requires a 7-degree bit) to ensure a safe, high-energy transfer connection.
Q6: How many meters can a Q5 tapered bit drill before needing replacement?
A: In medium-hard limestone (f=8-10), a premium Q5 bit can typically drill 150 to 300 meters. To maximize lifespan, we recommend re-sharpening the carbide buttons using a diamond grinding cup once the "flat top" wear reaches 1/3 of the button's diameter.
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