3-13mm Electric Drill Bit Sharpener

This electric drill bit sharpener accurately and rapidly grinds drill bits, with easy operation requiring no special skills. It features a diamond grinding wheel for precise angle creation and long service life.

3-13mm electric drill bit grinder MR-13A - Image 1

Technical Specifications

Overview

Professional 3-13mm Drill Bit Sharpener

This portable electric grinder is designed for rapid and accurate sharpening of HSS and carbide twist drill bits ranging from 3mm to 13mm. Featuring a high-performance DC motor and a diamond grinding wheel, it allows even unskilled operators to achieve professional results in as little as 10 seconds. Its compact design makes it an ideal cost-saving solution for small workshops, maintenance departments, and industrial settings.


Drill bit sharpening process
Sharpen drill bits in just 10 seconds with a simplified automatic tool setting process.

Key Performance Metrics

Key Performance Metrics

4,400 RPM
Rotation Speed
120 W
Motor Power
10 sec
Sharpening Time

Technical Specifications

Technical Data

ParameterSpecification
Model13A
Grinding Rangeф3 - ф13 mm
Point Angle100° (90°) ~ 135°
Power SupplyAC 220V
Grinding Wheel MaterialCBN or SDC
Dimensions310 x 170 x 180 mm
Net Weight10 kg

Supported Drill Diameters
3mm4mm5mm6mm7mm8mm9mm10mm11mm12mm13mm

Grinding wheel replacement
The grinding wheel is easily replaceable using a standard small wrench.
Diamond grinding wheel
Standard high-toughness diamond grinding wheel offers exceptional wear resistance and precision.

Standard Accessories

Included in Package

  • ER High Elastic Collets (11 pieces: 3mm to 13mm)
  • Diamond Grinding Wheel (1 piece)
  • 13-Type 2-Blade Chuck Set (1 piece)
  • Allen Wrench (1 piece)
  • User Guide

Standard accessories set
Complete set of 11 ER collets, chuck set, and diamond wheel included.

Operational Features

Key Features

  • Simplified automatic tool setting (drill + collet + chuck)
  • Adjustable point angle and lip relief angle
  • Central point size adjustment to coordinate with material and speed
  • Built-in fan blade for cooling during the grinding process
  • One-piece grinding group for fast, precise results
  • Portable body with handle for easy transport

Certifications

CE Certified

Machine structure and components
Detailed view of the motor switch, collet chuck, and adjustment scales for precise tip and escape angle grinding.
Adjustment tool set
High efficiency adjustment: set the scale pointer according to the drill's outer diameter for clear, step-by-step operation.
Grinding seat detail
The grinding seat supports 180-degree rotation for completing the point angle grind in one step.

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