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.
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.
Step 1: Use the Q5 bit to drill holes quickly.
Step 2: Fill holes with Topking Expansive Mortar (HSCA) to crack the rock silently.
| 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 |
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
Q: Why choose the Q5 5-button design for speed?
A: Fewer buttons allow for wider channels between carbide tips. This optimizes rock dust flushing, enabling the bit to strike fresh rock with every blow, leading to faster penetration in medium-hard formations.
Q: Which rock drill is most recommended for Q5 bits?
A: Q5 bits pair excellently with standard handheld pneumatic drills like the Y24 and Y26, where efficient dry drilling without water is often required.
Q: Does the Q5 design reduce drill rod jamming?
A: Yes. Because rock debris is flushed out more effectively, there is less friction and clogging around the head, which significantly lowers the risk of jamming the drill rods in fractured ground.
Recommended Products:
Expandag Q8 Tapered Button Bit features 8 premium tungsten carbide buttons for e···
More
Expandag Q5 Tapered Button Bit is engineered for fast penetration and easy flush···
More
Expandag Q6 Tapered Button Bit features 6 hot-pressed carbide buttons for the ul···
More
Expandag Q7 Tapered Button Bit features 7 premium carbide buttons for superior a···
More
Keep up on our always evolving product features and technology. Enter your e-mail and subscribe to our newsletter.
Copyright (C) Since 2025 Hezhou Topking Rock Drill Equipment Co., Ltd.
