FLEX FHE 1-16 12-EC C Cordless Rotary Hammer
Quick guide and technical specifications for the FLEX FHE 1-16 12-EC C cordless rotary hammer. Learn about key features, drilling capacities, and battery compatibility for this 12V brushless tool.
Table of contents
Product Overview
The FLEX FHE 1-16 12-EC C is a compact and powerful 12V cordless rotary hammer designed for drilling and hammer drilling. It is optimized for smaller assembly tasks and drilling holes in concrete, with an ideal diameter range of 5-10 mm and a maximum capacity of 16 mm.

Key Features
- Brushless Motor: Offers higher efficiency and longer service life.
- Electronic Management System (EMS): Protects the machine, extends service life, and increases efficiency.
- Variable Speed Trigger: Allows for a slow and controlled start.
- Vibration Damping: Features a decoupled, ergonomic handle with a rubberized grip and spring-loaded dampers to reduce vibrations.
- Electronic Quick Brake: Enhances safety during operation.
- Integrated LED Light: Includes a post-glow function for better visibility.
- Versatility: Equipped with forward/reverse rotation, a belt clip, a bit garage, and a depth stop for precise work.
- Battery System: Compatible with all FLEX 12V battery packs. Note: The tool is delivered without a battery or charger.
Technical Specifications
- Voltage: 12 V
- Battery Capacity: 2.5 / 5.0 Ah
- Tool Holder: Drill and Chisel
- Max. Single Impact Energy: 1.5 J
- No-load Speed: 0 - 810 rpm
- No-load Impact Rate: 0 - 4500 bpm
- Max. Drilling Diameter (Concrete): 16 mm
- Dimensions (LxWxH): 263 x 68 x 190 mm
- Weight (without battery): 1.68 kg
Manufacturer information
FLEX
Practical help
Common problems
Ensure a charged FLEX 12V battery pack is correctly inserted. Check the battery charge level using the integrated LED indicator.
Verify that the drill bit is suitable for concrete and not worn. Ensure the tool is set to the correct mode (hammer drilling) and that the battery is sufficiently charged.
Before use
- Ensure you have a compatible FLEX 12V battery pack (not included).
- Check that the drill bit or chisel is securely inserted into the tool holder.
- Verify the battery charge level using the LED capacity indicator.
- Attach the auxiliary handle and depth stop if required for your specific task.
- Ensure the work area is clear and you are wearing appropriate safety gear.
Specs in practice
- Max. Single Impact Energy 1.5 J
- The force of each hammer blow, suitable for light to medium-duty concrete drilling.
- No-load Speed 0 - 810 rpm
- The variable speed range allows for precise starting and controlled drilling.
- Max. Drilling Diameter 16 mm
- The maximum hole size recommended for concrete to prevent tool overload.
Model compatibility
- Compatible with all FLEX 12V battery packs.
- Product is delivered without battery and charger.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.