Bosch 5-in 9.5-Amp Sliding Switch Corded Angle Grinder, Rat-Tail Handle, 11,000 RPM (Model 1821D)

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Bosch 5-in 9.5A Corded Angle Grinder

Tackle tough grinding and cutting with Bosch’s 5-inch, 9.5-amp corded angle grinder. The rat-tail design, sliding switch, and vibration-control side handle deliver power, control, and comfort, while tool-free guard adjustments and sealed components boost durability on the job.


Key Features:

  • Powerful 9.5-Amp Motor: Delivers up to 11,000 RPM for fast grinding and cutting in metal fabrication and construction.
  • Comfort Rat-Tail Design: Rear-handle grip with sliding switch and lock-on/off supports extended use.
  • Vibration Control Handle: 2-position side handle reduces vibration for improved comfort and precision.
  • Jobsite Durability: Epoxy-coated windings and sealed switch protect against abrasive dust and debris.
  • Tool-Free Guard: Quick guard installation and adjustments for efficient setup and safety.

Specifications Table:

Specification Details
Type Angle grinder
Wheel Diameter 5 in
Amperage 9.5 A
Maximum RPM 11,000 RPM
Corded/Cordless Corded
Switch Type Sliding switch; lock-on/off
Handle Type Rat Tail
Vibration Control Handle 2-position
Cord Length 8 ft
Brushless No
Electronic Speed Control No
Overload Protection No
Spindle Lock No
Replaceable Brushes Yes (Service Minder brushes)
Accessories Included Yes
Case Type No case included
Package Contents Grinder, backing flange, lock nut, spanner wrench, Type 27 grinding guard, vibration control side handle, 5-in grinding wheel
Safety Listing CSA safety listing
AC/DC Capability Yes (works with welders/generators)
Protective Features Epoxy-coated field windings; sealed switch
UNSPSC 27112700

Frequently Asked Questions (FAQ):

Q: What size wheels does this grinder accept?
A: It uses 5-inch wheels and comes with a Type 27 grinding guard and a 5-in grinding wheel.


Q: Is the handle adjustable?
A: Yes, it includes a 2-position vibration control side handle for left- or right-handed use.


Q: Does it have variable speed?
A: No. It runs at a fixed no-load speed up to 11,000 RPM.


Q: Can I use it with a generator or welder?
A: Yes. AC/DC capability allows operation from DC outlets such as welders and generators.


Q: What’s included in the box?
A: Grinder, backing flange, lock nut, spanner wrench, Type 27 grinding guard, vibration control side handle, and 5-in grinding wheel.


Industrial Edge, Precision Power

This grinder brings a sculptural, industrial beauty to the workspace—sleek Bosch blue with an assertive rat‑tail silhouette. The vibration-dampening handle is the subtle luxury, keeping control silky and movements precise. Style it on a shadowed wall rack with your most-used metalworking wheels for a studio-ready vignette. For the modern maker’s atelier, it’s a refined essential that marries form and unwavering function.


Power through metalwork with Bosch precision—add this 5-in grinder to your cart and get to work with confidence.

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