4.5" 10.5 Amp Slide Switch Disc Grinder | Metabo HPT G12SA4

  • Model# G12SA4
The G12SA4 Slide Switch Disc Grinder boasts power and speed improvements over its predecessor, the G12SA3. The 10.5 Amp motor with 11,500 no-load RPM can tackle the toughest jobs on your list. It features a sleek tool-less guard that allows the user to select multiple guard positions without having to remove the guard from the tool. A sealed, locking slide switch is convenient for extended use, while upgraded air paths deter dust and debris to minimize downtime and maintenance.

Features of the 4-1/2" 10.5 Amp Slide Switch Grinder:


  • Same Tools, New Name. Metabo HPT is the new brand name for Koki Holdings America - formerly part of the Hitachi Group.
  • 10.5 Amps and 11,500 RPM for substantial power and speed to tackle tough jobs
  • The smallest grip circumference in its class at 8” offers comfort and control during extended use
  • Sealed slide switch with lock-on for ease-of-use over extended periods
  • New tool-less guard system provides a twist-proof connection and allows the user to adjust the guard position without removal
  • Improved air path deters dust and minimizes electronic issues associated with dust & debris
  • Download the G12SA4 Tool Card


  • Spanner Wrench (938332Z)
  • Side Handle (994322)
  • Depressed Center Wheel (316821)

Optional Accessories:

  • Vibration Absorbing Handle (336865)
  • Replacement Dust Filter (376558)