Best Power Tools

Bosch 11221DVS 7/8-Inch SDS Rotary Hammer

The first thing you'll notice about Bosch's rotary hammer is its great ergonomics, which clearly were a major consideration in the design of the hammer. The grip and trigger mechanism are well integrated, especially the front grip, and long enough to accommodate different body styles (I've got long arms; my buddy is the opposite: we both liked the tool's feel). For a rotary hammer, design is especially critical during overhead and down-drilling operations, where fatigue can quickly rear its ugly head. The tool's vario-lock positioning is great; it gives you 36 different working angles to choose from so you can modify the tool to fit the application. Likewise, the hammer offers three operational modes: hammer only, rotation only, and hammer with rotation. We really appreciate the self-contained dust removal system, which does a great job of keeping the mess to a minimum. Are there drawbacks? Not many. The bit-changing mechanism is a little stiff and a little cumbersome, perhaps--but that's a pretty minor negative in a tool that otherwise provides such pleasant operation. The people at Bosch really know what they're doing, and it shows in this tool. --Michael Shilling

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Bosch 11221DVS 7/8-Inch SDS Rotary Hammer Product Specifications

Part Number: 11221DVS

Power Source: corded-electric

Item Package Quantity: 1

Bosch 11221DVS 7/8-Inch SDS Rotary Hammer Technical Details

Integrated dust collection system - keeps work environment clean in critical areas
SDS-plus® bit system - tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer rate
Multi-function selector - 3 modes of operation, rotation only, rotary hammer and hammer only mode
Variable-speed reversing trigger - for accurate bit starting, as well as removing fasteners or bound bits
Constant ResponseTM Circuitry - - Provides soft-start - Maintains constant speed under load - Provides overload protection

Bosch 11221DVS 7/8-Inch SDS Rotary Hammer Testimonials

By Gail Nolen (Smokies, New york)

Used this hammer drill to bore 1-1/4 inch holes for lag bolts in foundation. Took about 5 minutes per hole when drilling to six inch depth. Would took a shorter period having a sharper carbide bit, but Bosch includes a powerful tool for what is a brutal job. Vibration while still present was under I was expecting

By Gilad Raz

I've used this drill/hammer going back Three years to drill hundreds of holes, in my brick wall house and also at friends. Extremely effective drilling, quiet operation, almost completely free of dust. Takes about 1.5 seconds to drill the typical 1/4" hole. The assembly and removal of the sucking hose and arm, each time I take it in the case and back, is really a small nuisance. The sucking cup around the drill is non-transparent, which makes it cumbersome to precisely begin to see the spot to drill - you need to pull the arm spring a bit, aim, then hold steady and fire. Overall - worth the trouble - the power and cleanliness makes it a joy to drill.

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Bosch 11221DVS 7/8-Inch SDS Rotary Hammer -Product Information