| Part Number : | 11221DVS |
| Power Source: | corded-electric |
| Item Package Quantity: | 1 |
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Product Specifications
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
Product Description
Amazon.com Review
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
Product Description
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.
Product Details
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Most Helpful Customer Reviews
1 of 1 people found the following review helpful:
4.0 out of 5 stars
Powerful and (relatively) clean,
This review is from: Bosch 11221DVS 7/8-Inch SDS Rotary Hammer (Tools & Home Improvement)
I've used this drill/hammer for the last 3 years to drill hundreds of holes, in my brick wall house and at friends. Very powerful drilling, quiet operation, almost completely dust free. Takes about 1.5 seconds to drill the usual 1/4" hole. The assembly and removal of the sucking hose and arm, every time I take it from the case and back, is a small nuisance. The sucking cup around the drill is non-transparent, which makes it cumbersome to precisely see the spot to drill - you need to pull the arm spring a bit, aim, then hold steady and fire. All in all - well worth the trouble - the power and cleanliness makes it a joy to drill.
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