4G4 Drill Bit
Achieve flawless results in concrete and stone drilling with the Diager 4G4 drill bit, crafted for those who refuse to compromise on quality.
- High-Quality Alloy Steel Construction: SDS+ drill bit featuring a premium tungsten carbide tip for exceptional performance in the hardest concrete.
- Monobloc Carbide Tip: Four cutting edges for maximum durability and efficiency.
- Fast Dust Evacuation: Designed with four grooves to enhance dust removal and maintain visibility.
- Precision Centering Tip: Ensures accurate drilling and perfect alignment every time.
- 150° Angle Tip: Facilitates easy penetration into tough materials like concrete and stone.
- Long-lasting Performance: Made from high-quality alloy steel for extended tool life.
Materials





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Disclaimer: Please note that images or illustrations may differ from the actual products due to presentation reasons and are therefore non-binding. Technical changes and errors are excepted. For the most accurate information, contact our customer service team.
Discover the Power of the Diager 4G4 Drill Bit
Experience unparalleled drilling performance with the Diager 4G4 drill bit, designed specifically for professionals who demand efficiency and reliability in their concrete drilling tasks.
Why Choose the Diager 4G4 Drill Bit?
When it comes to tackling the toughest materials, the Diager 4G4 drill bit stands out with its innovative design and superior construction. Whether you’re a contractor, engineer, or builder in Riyadh or Jeddah, this drill bit is engineered to meet your high standards and enhance your productivity on the job site.
Key Features
- Monobloc Carbide Tip with 4 Cutting Edges: The robust carbide tip ensures maximum durability and cutting efficiency, allowing you to drill through the hardest concrete with ease.
- 4 Evacuation Grooves: Designed for optimal dust removal, these grooves facilitate faster drilling and reduce the risk of bit binding, keeping your work area clean and efficient.
- Centering Tip: The precision centering tip helps to maintain accuracy during drilling, ensuring that your holes are perfectly aligned every time.
- Angle Tip at 150°: This unique angle design enhances penetration and reduces the effort required, making it easier to drill through tough materials like stone and brick.
- Long Lifetime: Built from high-quality alloy steel, the 4G4 drill bit is engineered for longevity, providing you with a reliable tool that withstands the rigors of daily use.
- Fast Dust Evacuation: The efficient design minimizes dust accumulation, allowing for clearer visibility and a safer working environment.
- Torsion Resistance: The drill bit’s construction is designed to withstand high torsional forces, ensuring it remains intact even under heavy use.
Specifications
- Material Compatibility: Concrete, Stone, Brick, Breeze Block
- Shank Type: SDS+
- Tip Design: 4 Cutting Edges
- Angle: 150°
Use Cases
The Diager 4G4 drill bit excels in various scenarios, making it an essential tool for construction professionals in Saudi Arabia. Whether you’re drilling into reinforced concrete for structural supports, creating openings in brick walls for electrical installations, or working with breeze blocks for masonry projects, this drill bit delivers consistent results. Its versatility also makes it a great choice for DIY enthusiasts looking to tackle home improvement projects with confidence.

Sunday - Thursady
08:00 AM - 06:00 PM
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Technical Data
Product Label | Item Code | Ø (mm) | L Total (mm) | L Usable (mm) |
---|---|---|---|---|
SDS+ 4G4 Drill Bit 5×110 mm | 112D05L0110 | 5 | 110 | 50 |
SDS+ 4G4 Drill Bit 5.5×110 mm | 112D05.5L0110 | 5.5 | 110 | 50 |
SDS+ 4G4 Drill Bit 5.5×160 mm | 112D05.5L0160 | 5.5 | 160 | 100 |
SDS+ 4G4 Drill Bit 6×110 mm | 112D06L0110 | 6 | 110 | 50 |
SDS+ 4G4 Drill Bit 6×160 mm | 112D06L0160 | 6 | 160 | 100 |
SDS+ 4G4 Drill Bit 6×210 mm | 112D06L0210 | 6 | 210 | 150 |
SDS+ 4G4 Drill Bit 6×260 mm | 112D06L0260 | 6 | 260 | 200 |
SDS+ 4G4 Drill Bit 6×310 mm | 112D06L0310 | 6 | 310 | 250 |
SDS+ 4G4 Drill Bit 6.5×110 mm | 112D06.5L0110 | 6.5 | 110 | 50 |
SDS+ 4G4 Drill Bit 6.5×160 mm | 112D06.5L0160 | 6.5 | 160 | 100 |
SDS+ 4G4 Drill Bit 6.5×210 mm | 112D06.5L0210 | 6.5 | 210 | 150 |
SDS+ 4G4 Drill Bit 6.5×310 mm | 112D06.5L0310 | 6.5 | 310 | 250 |
SDS+ 4G4 Drill Bit 8×110 mm | 112D08L0110 | 8 | 110 | 50 |
SDS+ 4G4 Drill Bit 8×160 mm | 112D08L0160 | 8 | 160 | 100 |
SDS+ 4G4 Drill Bit 8×210 mm | 112D08L0210 | 8 | 210 | 150 |
SDS+ 4G4 Drill Bit 8×260 mm | 112D08L0260 | 8 | 260 | 200 |
SDS+ 4G4 Drill Bit 8×310 mm | 112D08L0310 | 8 | 310 | 250 |

Diager: Pioneering Excellence in Drilling and Screwing Tools for Over 60 Years
Founded in 1953 by Pierre and Denise Defougères, Diager is an independent French manufacturer renowned for its expertise in drilling and screwing tools. With over 60 years of experience, Diager has established itself as the European leader in concrete drill bit production, serving professional customers in more than 70 countries.
Headquartered in Poligny, nestled in the picturesque Jura region of France, Diager produces an impressive twenty million items annually, offering a comprehensive range of professional accessories for power tools, including drilling, screwing, core drilling, and cutting tools for concrete, metal, and timber. Under the leadership of François Defougères, the family-run business is committed to maintaining a robust industrial presence in France and Europe, investing in production capabilities, staff training, and research and development to meet the evolving needs of its clients.
In 2013, Diager expanded its expertise by acquiring USH, a German screw tip manufacturer, further enhancing its product offerings. The company is also dedicated to sustainable development, implementing policies and actions that prioritize environmental protection. With a recent investment of 8.5 million euros to expand its production facility by 1,600m² and add ten new machines, Diager is poised to meet growing demand and improve delivery times, all while upholding its commitment to innovation and ethical values in the manufacturing sector.
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