Model#: MTBN600354420

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Metabo W9-115 8.5 Amp 4-1/2 in. Angle Grinder with Lock-On Sliding Switch

  • Metabo W9-115 8.5 Amp 4-1/2 in. Angle Grinder with Lock-On Sliding Switch
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Engineered for a broad range of grinding, cutting and deburring applications, the Metabo W9-115 8.5 Amp 4-1/2 in. Angle Grinder with Lock-On Sliding Switch features a smaller, ergonomically designed body for more comfort. It also has a tool-free quick-positioning guard that allows for fast change-over from grinding to cutting. Coupling power, safety and innovative technology, Metabo has been the tool brand of choice by professionals in over 100 countries.
  • Metabo LongLife motor produces 50% more torque for quicker material removal, up to 20% higher overload capacity and 30% more protection against dust and debris for longer service life
  • S-Automatic safety-slip clutch helps you maintain control if the accessory jams reducing the likelihood of kickback
  • Tool-free adjustable guard with 7 locking positions
  • Gear housing can be rotated at 90-degree steps for increased comfort and ergonomics during left-handed operation or for cutting applications
  • Ergonomic side handle provides additional comfort and control
  • Suitable for AC/DC operation
  • W9-115 8.5 Amp 4-1/2 in. Angle Grinder with Lock-On Sliding Switch - 600354420
  • 4-1/2 in. Type-27 Guard
  • Ergonomic Side Handle
  • Flange Nut
  • Inner Support Flange
  • Spanner Wrench


Length: 11.9 in.
Weight: 4.6 lbs.
Amperage: 8.5
Arbor Size: 7/8 in.
Guard: Tool-Free Adjustable
RPM: 10,500
Rotatable Gear Housing: Yes
Safety Slip Clutch: Yes
Spindle Thread: 5/8 in. - 11
Switch Type: Lock-On Slide
Torque: 22.1 in-lbs.
Voltage: 120V
Watts: 900
Wheel Diameter: 4.5 in.



4.5 / 5.0
2 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Would you recommend?
Yes (2)
Heavy (1)
Yes, I would recommend this to a friend
Great grinder!!!
Just a repeat of above. Great grinders, my guys demand them and will not really use any other
September 23, 2015
Yes, I would recommend this to a friend
Good basic grinder
This grinder has the same silly guard mounting system as the Fein. It works but is a pain. This tool is heavier and less maneuverable the some other 4.5" grinders, but has a lot of power.
October 31, 2015

Questions & Answers

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I'm looking for an angle grinder, primarily for use with 4 1/2 inch hard grinding wheels, at speeds of 10,500-11,000 RPM. For my purposes, I really need a lockable switch, for I do some out-of-position grinding and paddle switches do not work, given the number of ways I need to hold the tool. Paddle switches are great for some applications, such as sanding, but for now, the last thing I want to think about is squeezing a tool when doing precision work.
Question #1: The picture looks like this is a regular paddle switch. Fine, as long as it is lockable. Is it a paddle switch?
Question #2: What are the differences between this tool and model #600371420 W9-115 (other than $20)?
Priority #1 is smooth-running.
Priority #2 is versatility and ability to work into tight spaces.
Priority #3 is ergonomic design, where I don't feel I am trying to move a cinder block.


Thank you.
sparky on Apr 7, 2015
BEST ANSWER: This grinder is equipped with a slide switch with a lock on. Model W9-115 is a quick connect - meaning you do not need a wrench to change to the blades.


Metabo One Year Standard Warranty - New & Reconditioned Tools

Metabo power tools have been carefully tested and inspected before shipment and are warranted to be free from any defects in materials and workmanship for a period of 12 months from user's original date of purchase for tools purchased after April 1, 2004. If repair is required, return complete tool, shipping prepaid, with proof of purchase and, if claiming extended warranty, XXL® confirmation to Metabo's nearest authorized service station. If inspection shows defective material or workmanship, Metabo will repair or replace (at Metabo's option) the tool without charge during the warranty period. This warranty does not apply to normal wear and tear. It does not cover any damages caused by careless or unsafe handling, alteration, accidents, misuse or repair attempted or made by personnel other than Metabo Corporation or its authorized service stations. This warranty also excludes chucks and accessories supplied by Metabo Corporation. This warranty applies in lieu of any other warranties, expressed or implied, and variations of its terms are not authorized.

The foregoing obligation is Metabo's sole liability under this or any implied warranty, and under no circumstances shall Metabo be liable for any incidental or consequential damages. Some states do not allow limitations on how long implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

This warranty gives you specific legal rights, and you may also have other legal rights which vary from state to state.

XXL® - The Metabo 3 Year Warranty - New Tools Only

Even more peace of mind.

Metabo products are designed for a long service life, but to give you additional peace of mind for your investment, Metabo is now offering the XXL® warranty. After registration, your normal warranty is simply extended to 3 years from the date of purchase.

You can only benefit from the XXL® warranty when you register online here within four weeks after the original date of purchase. It can also be applied to any machine that was purchased since April 1, 2004.