Wet & Dry Core Drilling Solutions for Reinforced Concrete

AGP's DDC9 delivers heavy-duty 2500W hybrid drilling performance with switchable soft percussion, 3-speed transmission, and convertible wet/dry ports for maximum versatility in demanding construction applications.

Wet & Dry Core Drilling Up to Ø250 ㎜ in Reinforced Concrete

DDC9

A heavy-duty 3-speed 2500 W hybrid combined dry and wet drilling motor for drilling up to 250 ㎜ (10") dry or wet in reinforced concrete. Its soft percussion function enhances both dry and wet drilling. Its convertible port allows vacuum connection for dry drilling, and water feed for wet drilling, allowing the motor to keep its wet drilling capabilities, while adding the capability to drill reinforced concrete dry. Wide speed range allows outstanding performance with small and medium diameters.

100% Taiwan Engineering Excellence, Proven Worldwide

With more than 30 years of R&D and manufacturing experience since 1989, AGP operates a fully integrated development and production center in Taiwan, supported by AGP Europe in Belgium for regional service and distribution. We provide comprehensive ODM support, including application testing, technical training, product certification (CE, CB, CSA, and more), and marketing assistance. Our competitive strengths include 100% Taiwan-based design, engineering, and manufacturing—ensuring consistent quality and rapid development cycles.

With deep expertise in customized motor design and application-specific engineering, AGP supports various industries by delivering tailored solutions and technical consulting. Our DEKRA-certified laboratory and rigorous internal and external testing processes ensure compliance with international safety and performance standards.

Every AGP tool is built for high power, precision, durability, user safety, and ease of operation—engineered to perform reliably in the most demanding jobsite environments.

Technical Specification

Model DDC9
Power Input 220 V: 2500 W ; 110 V: 2200 W
Voltage, Frequency 110-120 V~ 50-60 Hz or
220-240 V~ 50-60 Hz
No Load Speeds 480 / 1050 / 2200 min-1
Rated Load Speeds 320 / 700 / 1450 min-1
Percussion Frequency 7 680 / 16 800 / 34 800 bpm
Capacity-Dry (Reinforced Concrete) Ø32 - 250 mm (1-1/4" - 10")
Capacity-Wet (Reinforced Concrete) Ø32 - 250 mm (1-1/4" - 10")
Gear Oil Type 80W-90
Gear Oil Capacity 240 ml
Spindle Thread 1-1/4" UNC male & 1/2" BSP female
Capacity-Dry 182 mm (7- 1/4")
Insulation Class Class I with PRCD / GFCI
(110-120V w/o PRCD / GFCI)
Soft Start & Overload Protection With
Dimensions (L x W x H) 647 x 133 x 158 mm
Weight 10.3 kg (22.6 lb)

Standard Accessories

  • DDC9 Three-Speed Diamond Core Drilling Motor
  • Vacuum Adaptor Head
  • Water Feed Adaptor Head

Optional Accessories

  • Mounting Plate (S350): The plate is standard equipment with large AGP drill stands, so you only need to buy the mounting plate if you need to use multiple motors sharing the same drill stand.
  • Mounting Plate (AS200): The DDC9 also has a 2nd bolt hole pattern suitable for installing the AS200 dovetail mounting plate.
  • AS200 Drill Stand
  • S350 Drill Stand

Key Features

Switchable Soft Percussion

Keeps diamond segments sharp and assists the general efficiency of the drilling process.

Robust Oil-Bath Gearbox

The 3-speed oil-bath gearbox allows optimized torque and drilling speeds for a wide range of diameters. The mechanical slip clutch protects the system.

Constant Speed Motor with Aluminum Housing

The 2500 W motor with constant speed electronics make drilling faster, smoother and more efficient, while extending the life of the core bits. The aluminum housing ensures optimal durability and cooling.

Integrated Convertible Port

Convertible port allows quick change from water feed for wet drilling, to through-the-spindle dust collection for dry drilling. The port can be rotated to any desired position.

Anti-Seize Ring

The motor comes standard with an anti-seize ring which helps prevent the bit becoming stuck on the spindle.

Dust and Water-Resistant Switch

The solid-state switch is more durable, reliable, and ingress-resistant than traditional switches. It includes anti-restart function.

Smart Electronic Control system

The Smart Electronic Control system also includes soft-start, thermal protection, and overload protection.

Highly Visible LED Load Indicator

LED load indicator is large, bright, and in the most visible position, to give the operator reliable guidance on load conditions, making it easy to operate the motor at its optimal load range.

Spirit Levels

Horizontal and vertical spirit levels are built into the motor for more convenient set-up.

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AGP DDC9 Hybrid Diamond Core Drill Features



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How can I maximize drilling efficiency and versatility while reducing equipment costs on reinforced concrete projects?

The AGP DDC9's innovative hybrid wet/dry design with switchable soft percussion and convertible ports eliminates the need for multiple drilling motors. Drill 250mm diameter holes in reinforced concrete with a single 2500W motor, switching seamlessly between wet and dry modes to match project requirements. The soft percussion function keeps diamond segments sharp, extending bit life and reducing material costs while the 3-speed transmission optimizes performance across small to medium diameter applications. Contact AGP's technical team to discuss how the DDC9 can streamline your drilling operations and improve your bottom line.

Built with Taiwan-engineered precision and DEKRA-certified quality assurance, the DDC9 incorporates advanced safety features including soft-start electronics, thermal protection, overload protection, and a dust/water-resistant solid-state switch with anti-restart function. The constant-speed motor with aluminum housing ensures optimal cooling and durability, while integrated spirit levels and a highly visible LED load indicator enhance operator control and safety. Backed by 30+ years of AGP's in-house R&D and manufacturing expertise, this drilling motor is CE/CB/CSA certified and designed to perform reliably in the most demanding jobsite environments, making it the ideal choice for contractors requiring dependable, versatile core drilling solutions.

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