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250W Twin Wheel
Twin Wheels

250W Twin Wheel

The DEDRA DED7778 bench grinder is suitable for dry and wet grinding of tools and components made of steel, non-ferrous metals and plastics. It features:

  • Power rating: 250 W
  • Two wheels with different...

The DEDRA DED7778 bench grinder is suitable for dry and wet grinding of tools and components made of steel, non-ferrous metals and plastics. It features:

  • Power rating: 250 W
  • Two wheels with different speeds: 2980 RPM and 134 RPM for fast material removal and gentle processing
  • Metal construction: Mounts on a workbench
  • Protective covers: Protect against...
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Top specs

  • Dry Grinding Disc Diameter

    Select the disc size. A larger diameter covers larger surfaces and wears out more slowly.

  • Power (W)

    The motor's electrical power in Watts. It determines how easily the wheel can handle hard materials without "sticking" or slowing down its rotation when pressure is applied to it.

  • Grinding Type

    Dry

    Grinding without the use of water or coolant. It is the most common and fastest method for general tasks, material removal, and shaping. Because it generates high temperatures, care is required so that the hardness of sensitive metals is not altered (e.g. blades).

    Liquid

    Grinding using water that continuously cools the wheel and the material. It operates at much lower speeds and prevents the metal from overheating. It is the ideal method for top-quality precision sharpening of knives, scissors, and cutting tools, without damaging their edge.
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Description

Description

The DEDRA DED7778 bench grinder is suitable for dry and wet grinding of tools and components made of steel, non-ferrous metals and plastics. It features:

  • Power rating: 250 W
  • Two wheels with different speeds: 2980 RPM and 134 RPM for fast material removal and gentle processing
  • Metal construction: Mounts on a workbench
  • Protective covers: Protect against sparks
  • Switch: Prevents accidental restart after a power outage
  • Voltage: 230V~50 Hz
  • Motor: Electric, induction, single-phase
  • Grinding wheels: Diameters of 150 mm and 200 mm, thicknesses of 20 mm and 40 mm
  • Mounting holes: 12.7 mm and 20 mm
  • Protection class: IPX0
  • Weight: 10 kg

Package contents:

  • Bench grinder (1 pc.)
  • Wet grinding wheel (1 pc.)
  • Dry grinding wheel (1 pc.)
  • Protective covers (1 set)
  • Workpiece support (1 pc.)
  • Set of screws, washers, nuts and handles (1 set)

Manufacturer

OEM

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Dimensions

Type
Twin Wheel

Type

Twin Wheel

Fixed electric tool with two circular grinding wheels. It is mainly used for grinding, sharpening cutting tools (such as axes, chisels, drills), and removing rust or burrs from hard metals.
Voltage (V)
Single-phase

Voltage (V)

Specifies the type of current required for the tool to operate. Choosing the correct one ensures that the wheel can be safely connected to the power outlet in your space (home, workshop, or industrial area) without compatibility issues.

Single-phase

Connects to a standard, conventional outlet, making it ideal for home workshops.
Power (W)
250 W

Power (W)

The motor's electrical power in Watts. It determines how easily the wheel can handle hard materials without "sticking" or slowing down its rotation when pressure is applied to it.
Grinding Type
Dry, Liquid

Grinding Type

Dry
Grinding without the use of water or coolant. It is the most common and fastest method for general tasks, material removal, and shaping. Because it generates high temperatures, care is required so that the hardness of sensitive metals is not altered (e.g. blades).
Liquid
Grinding using water that continuously cools the wheel and the material. It operates at much lower speeds and prevents the metal from overheating. It is the ideal method for top-quality precision sharpening of knives, scissors, and cutting tools, without damaging their edge.

Disc Features

Rotations
2980 rpm

Rotations

Revolutions per minute (RPM) determine the speed. High RPMs provide fast material removal, while low RPMs offer precision in sharpening.
Dry Grinding Wheel Diameter
150 mm

Dry Grinding Wheel Diameter

Select the disc size. A larger diameter covers larger surfaces and wears out more slowly.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

The DEDRA DED7778 bench grinder is suitable for dry and wet grinding of tools and components made of steel, non-ferrous metals and plastics. It features:

  • Power rating: 250 W
  • Two wheels with different speeds: 2980 RPM and 134 RPM for fast material removal and gentle processing
  • Metal construction: Mounts on a workbench
  • Protective covers: Protect against sparks
  • Switch: Prevents accidental restart after a power outage
  • Voltage: 230V~50 Hz
  • Motor: Electric, induction, single-phase
  • Grinding wheels: Diameters of 150 mm and 200 mm, thicknesses of 20 mm and 40 mm
  • Mounting holes: 12.7 mm and 20 mm
  • Protection class: IPX0
  • Weight: 10 kg

Package contents:

  • Bench grinder (1 pc.)
  • Wet grinding wheel (1 pc.)
  • Dry grinding wheel (1 pc.)
  • Protective covers (1 set)
  • Workpiece support (1 pc.)
  • Set of screws, washers, nuts and handles (1 set)

Manufacturer

OEM

Manufacturer Details

Warnings & Safety Information

Dimensions

Type
Twin Wheel

Type

Twin Wheel

Fixed electric tool with two circular grinding wheels. It is mainly used for grinding, sharpening cutting tools (such as axes, chisels, drills), and removing rust or burrs from hard metals.
Voltage (V)
Single-phase

Voltage (V)

Specifies the type of current required for the tool to operate. Choosing the correct one ensures that the wheel can be safely connected to the power outlet in your space (home, workshop, or industrial area) without compatibility issues.

Single-phase

Connects to a standard, conventional outlet, making it ideal for home workshops.
Power (W)
250 W

Power (W)

The motor's electrical power in Watts. It determines how easily the wheel can handle hard materials without "sticking" or slowing down its rotation when pressure is applied to it.
Grinding Type
Dry, Liquid

Grinding Type

Dry
Grinding without the use of water or coolant. It is the most common and fastest method for general tasks, material removal, and shaping. Because it generates high temperatures, care is required so that the hardness of sensitive metals is not altered (e.g. blades).
Liquid
Grinding using water that continuously cools the wheel and the material. It operates at much lower speeds and prevents the metal from overheating. It is the ideal method for top-quality precision sharpening of knives, scissors, and cutting tools, without damaging their edge.

Disc Features

Rotations
2980 rpm

Rotations

Revolutions per minute (RPM) determine the speed. High RPMs provide fast material removal, while low RPMs offer precision in sharpening.
Dry Grinding Wheel Diameter
150 mm

Dry Grinding Wheel Diameter

Select the disc size. A larger diameter covers larger surfaces and wears out more slowly.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

147,90 €
35,00 €   shipping cost