Diager 299B 8pcs Pro-Thread Straight Shank Set
HIGHLIGHTS: The Diager 299B 8-Piece Pro-Thread Straight Shank Masonry Drill Bit Set is a professional drilling kit designed for fast, accurate, and long-lasting performance in masonry applications. The set includes eight...

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HIGHLIGHTS:
The Diager 299B 8-Piece Pro-Thread Straight Shank Masonry Drill Bit Set is a professional drilling kit designed for fast, accurate, and long-lasting performance in masonry applications. The set includes eight of the most commonly used drill bit sizes, making it ideal for construction, installation, renovation, and general-purpose drilling.
Each drill bit features a high-resistance carbide tip with a semi-positive cutting geometry, allowing faster drilling while maintaining excellent durability. The double-rolled thread flute efficiently removes drilling dust, while the microblasted (sandblasted) finish improves wear resistance and corrosion protection. The straight shank fits standard rotary and percussion drills.
Supplied in a durable storage case, the 299B set offers convenient organization and quick access to the most frequently used drill sizes, making it an excellent choice for professional tradesmen and serious DIY users.
FEATURES:
- 8-piece professional masonry drill bit set.
- High-resistance carbide tip with semi-positive cutting geometry.
- Double-rolled thread flute for efficient dust removal.
- Microblasted (sandblasted) finish improves durability.
- Straight shank fits most standard rotary and percussion drills.
- Head geometry designed for fast drilling performance.
- Organized in a durable storage case for convenient transport and storage.
- Suitable for professional construction and installation work.
Recommended Materials:
- Concrete
- Stone
- Brick
- Breeze Block
- Plaster
| Quantity | Diameter (mm) |
| 1 pc | 3 mm |
| 1 pc | 4 mm |
| 1 pc | 5 mm |
| 1 pc | 6 mm |
| 1 pc | 7 mm |
| 1 pc | 8 mm |
| 1 pc | 9 mm |
| 1 pc | 10 mm |
| Brand | Diager |
| Model | 299B |
| Series | PRO Thread |
| Product Type | 8-Piece Straight Shank Masonry Drill Bit Set |
| Tip Material | High-Resistance Tungsten Carbide |
| Tip Design | Semi-Positive Carbide Tip |
| Flute Design | Double-Rolled Thread Flute |
| Finish | Microblasted / Sandblasted |
| Shank Type | Straight Shank |
| Set Sizes | Ø3, Ø4, Ø5, Ø6, Ø7, Ø8, Ø9, Ø10 mm |
| Suitable Materials | Concrete, Stone, Brick, Breeze Block, Plaster |
| Applications | Masonry Drilling, Construction, Installation, Renovation |
| Pack Quantity | 8 Pieces |
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Only on-stock items are available for same day delivery. To avail of this service, please book before 4pm.
Estimated delivery date is 1 to 3 weeks, the duration depends on how far away you are from Manila.
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