Drill Extension for Core Bits Dedra DED1500-60, 600 mm, SDS+ Shank

Dedra DED1500-60 is a 600 mm drill extension for core (diamond) drill bits with an SDS+ shank. Designed to attach between an SDS+ rotary hammer or adapter and a core bit, the extension increases drilling reach to access recessed or deep locations in concrete, masonry and natural stone. The tool is intended for professional trade use and DIY projects where standard bit length is insufficient.

Advantages

The 600 mm length provides extended reach without compromising connection stability thanks to the SDS+ shank. The straight, rigid design preserves bit alignment during drilling, reducing wobble and uneven wear on the core bit. Compatibility with standard SDS+ chucks and adapters simplifies setup and minimizes the need for additional fittings. The extension supports safe and controlled deep-hole core drilling in challenging positions.

Suitable for

• Core drilling in concrete where extra depth is required
• Drilling through masonry and natural stone in recessed or hard-to-reach spots
• Installation tasks requiring deep holes for pipes, anchors or wiring
• Professional construction and renovation jobs as well as DIY projects

Key specifications

• Length: 600 mm
• Shank type: SDS+
• Intended use: core (diamond) drill bits
• Compatible materials: concrete, masonry, natural stone
• Design: straight rigid shaft for stable alignment

How to use

Attach the SDS+ shank of the extension securely into the rotary hammer or into an appropriate SDS+ adapter, then connect the core bit to the opposite end following the core bit manufacturer's mounting instructions. Ensure the machine is disconnected from power while fitting the extension and bit. Use appropriate drilling speed, feed pressure and coolant/water supply as required for the core bit and material being drilled. Check the connection periodically during use and stop the machine before making adjustments.

Usage recommendations

Use with compatible SDS+ rotary hammers and core bits rated for the target material. Maintain coolant or water supply during core drilling to extend diamond bit life and reduce dust. Wear appropriate personal protective equipment—eye, ear and respiratory protection—and secure the workpiece or surface before drilling.