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Bosch Bulldog 8.5 -Amp SDS-Plus SDS-plus Variable Speed Rotary Hammer Drill

Name: Bosch Bulldog 8.5 -Amp SDS-Plus SDS-plus Variable Speed Rotary Hammer Drill
Brand: Bosch
SKU: 1000163219
Price: 249 USD
Availability: InStock
Rating: 4.8 (118 reviews)

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4.8

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The Bosch GBH2-28L SDS-plus® Bulldog™ Xtreme Max 1-1/8 In. Rotary Hammer features a powerful 8.5 Amp motor and KickBack Control. This feature is an integrated sensor to stop tool rotation during bit bind-up situations. A tool that upholds the tradition in the line of legendary Bosch Bulldog hammers, the GBH2-28L combines user comfort with versatile drilling and hammering functions. It provides counter-balanced Vibration Control for more comfortable handling of the hammer. Ideal for masonry pros or general contractors, this tool weighs only 6.9 Lbs. but delivers 2.4 Ft.-Lbs. of impact energy and 0-5,100 BPM. It has a multifunction mode selector for drilling versatility – drilling only, hammer drilling and chiseling. This Bulldog has ideal features for hard-working pros, including a variable-speed reversing trigger for accurate bit starting, Vario-Lock positioning for the optimal chiseling angle, a HammerHook that allows the user to hang the tool on the job and an ergonomic D-handle for user comfort. The SDS-plus® system provides for tool-free bit changes.

Robust 8.5-amp motor – delivers 2.4 Ft-Lbs of impact energy for reliable Bulldog performance
KickBack Control – uses an integrated sensor to stop tool rotation during bit bind-up situations
Counter-balanced Vibration Control – improves user comfort during drilling or chiseling applications
Vario-Lock – rotates and locks chisel to optimize working angle
Variable-speed trigger with reversing – offers accurate bit starting
HammerHook – allows quick tool storage during the job
D-handle design – ideal for overhead and downward drilling applications
Multi-function selector – three modes of operation: drilling only, hammer drilling and chiseling
SDS-plus® bit system – tool-free bit changes with automatic bit locking

General
Color/Finish Family	Blue	Handle Type	D-handle
Series Name	GBH2-28L	Chuck Type	SDS-plus
Sub-Brand	Bulldog	Bare Tool	No
Package Quantity	1	Main Handle Type	D-handle
Package Contents	Includes: GBH2-28L rotary hammer, (1) auxiliary handle, (1) depth gauge and a carrying case

Dimensions
Cord Length (Feet)	8.0000	Thru-hole Capacity (Inches)	1.1250
Core Bit Capacity (Inches)	2.7500	Tool Height (Inches)	8.5
Maximum Capacity Concrete (Inches)	1.1250	Tool Length (Inches)	17.4000
Maximum Capacity Steel (Inches)	0.0000	Tool Weight (lbs.)	6.9000
Maximum Capacity Wood (Inches)	0.0000	Tool Width (Inches)	3.5000
Maximum Chuck Size	SDS-Plus	Battery Amp Hours	0
Thin Wall Core Bit Capacity	Yes	Amperage	8.5

Features
Battery Platform	Bosch 120V	Keyed/Keyless	Keyless
Case Included	Yes	Maximum BPM	5100
Charge Time (Minutes)	0	Maximum RPM	1300
Chisel Lock Positions	Yes	Number of Batteries Included	0
Cordless	No	Operation Modes	Chipping; hammer drilling; drilling
Electronic Speed Control	No	Side Handle Included	Yes
Forward and Reverse Switch Included	Yes	Variable Speed	Yes
Hybrid Capable	No	Voltage (Volts)	120.0000
Impact Energy (Foot/lbs.)	2.4

Compatibility
App Compatibility	No	Works with Android	No
Bluetooth Compatibility	No	Works with iOS	No
Wi-Fi Compatibility	No

Warranty
Tool Warranty	1-year	Warranty	1-year limited

Certifications
CA Residents: Prop 65 Warning(s)	No	Safety Listing	CSA safety listing

Miscellaneous
UNSPSC	27112700

Check out the Best Selling Rotary Hammer Drills on Lowes.com

Review

4.8 out of 5

118 Reviews

93% Recommend this product

Ratings may include incentivized customer reviews.

Read All Reviews

+ 1

What Customers Are Saying

The tool is praised for its powerful performance, cutting through tough materials with ease. Users highlight its balance, vibration control, and comfortable grip, which help reduce fatigue. Many customers describe the tool as efficient, saving them significant time and effort. While a few reported issues, the majority of reviews are highly positive, with many users strongly recommending the product.

Customer review summary generated by AI, including incentivized reviews.

118 Customer Reviews

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Well-made and durable!

Would Recommend

My plan is to remodel a homr built in 1965. The bathrooms were a task. I did not know if I could tackle alone. This tool made it doable.

Big StickSeptember 25, 2026
Verified Purchaser

https://photos-us.bazaarvoice.com/photo/2/cGhvdG86bG93ZXM/177b71cc-8819-5a11-ac7a-6204183409f6

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Good tool

Would Recommend

Light weight

Ash0519June 21, 2026
Verified Purchaser

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Classic and proven

Would Recommend

The classic and best for the value. Very heavy duty, much better than normal hammer drills.

LouisMay 28, 2026
Verified Purchaser

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Perfect size for breaking up rock and cement

Would Recommend

Perfect size for the project

Bru04May 24, 2026
Verified Purchaser

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Worked perfectly

Would Recommend

This drill worked perfectly for my application...drilling into a block wall that has a rock facing using a 1" diameter bit. In the future I will also use it with a spade bit for chipping rock, mortar, and concrete.

KurtMay 12, 2026
Verified Purchaser

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A must for drilling in concrete

Would Recommend

Great product! Just got my second one. The first one is almost 20 years old and still works fine.

DIY 4LifeMay 6, 2026
Verified Purchaser

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Powerful, safe, fast, easy to use

Would Recommend

I purchased this product after owning the earlier version, same company, same drill, but lacking the SDS technology as well as the anti-kickback protection. Like my prior model, which I've owned for maybe 20 years, this new model is a beast. The new SDS technology significantly improves the drilling speed since the new drill bits, which float in a collet, rather than being clamped in a chuck, are way more aggressive and effective in vertical hammer strokes which penetrate much faster. Huge impr...

LarryMay 2, 2026
Verified Purchaser

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Light and powerful

It is very easy to use and it has multiple functions

Sup3rm8nApril 16, 2026
Verified Purchaser

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Great product

Great product. Used this in conjunction with a chisel to remove tile.

CnordmanMarch 18, 2026
Verified Purchaser

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