Is this a good tool to drill holes in masonry ceiling to hang a lamp? My hammer drill with masonry bit is not doing the job.

Yes.. they take their own bits, but it does a great job drilling holes. I've drilled 1/2" holes through my solid 8" thick foundation several times. It is hard concrete with river rock from the 1940's so it is very hard. It goes through pretty quick.

where are SDS & SDS Plus drill bits sold. Is there a set. How much

You can find them list on Amazon. Here is a link for the SDS Plus bit:http://www.amazon.com/s/ref=nb_sb_ss_i_1_4?url=search-alias%3Daps&field-keywords=sds%20drill%20bits&sprefix=sds+%2Caps%2C214

What is the Warranty? I read the motor burned out on a new one and they not replace it.

1 year repair / replace parts. ive dropped mine ran it for hours on end and it still runs perfect. so far anything bosch tool related ive been happy with.

What is the hz of this tool

Thank you for your question. All our Bosch tools have a 50/60 hz rating. If you have further questions please feel free to contact our Bosch Customer Service Representatives at 1-877-BOSCH-99 (1-877-267-2499).

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11255VSR Bulldog Xtreme 8 Amp 1-Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer Drill

Product ID: 1835183

Details

Amperage
7.08 A
Brand
Bosch
Maximum Chuck Size
13 millimeters
Maximum Rotational Speed
1300 rpm
Power Source
Corded

⚡7.5 Amp motor power

🔄Variable speed & 3-mode selector

🔧SDS-plus tool-free bit changes

₨10522

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Description

🔨 Own the job site with Bosch Bulldog Xtreme — power, precision, and control in one unstoppable tool!

COMFORT MEETS CONTROL - Ergonomic D-handle and vibration control keep you steady and fatigue-free during all-day projects.
EFFORTLESS BIT CHANGES - SDS-plus system offers tool-free bit swaps with automatic locking and dust protection—no downtime.
PRECISION AT EVERY ANGLE - Vario-Lock positioning locks chisel in 36 angles for optimized chiseling and maximum impact transfer.
SWITCH MODES STAY EFFICIENT - Multi-function selector with rotation-only, rotary hammer, and hammer-only modes adapts to every task.
POWER THROUGH CONCRETE LIKE A PRO - 7.5 Amp motor delivers up to 1,300 RPM and 5,800 BPM for relentless drilling power.

The BOSCH 11255VSR Bulldog Xtreme is a corded 7.5 Amp SDS-plus rotary hammer drill designed for heavy-duty concrete and masonry work. Featuring a variable speed trigger, 3 operational modes, and a patented vibration control system, it delivers up to 1,300 RPM and 5,800 BPM with 2.0 ft-lbs impact energy. Its ergonomic D-handle and 36-position Vario-Lock chisel system ensure comfort and precision, while tool-free bit changes maximize efficiency. Ideal for professionals and serious DIYers tackling demanding drilling and chiseling tasks.

Specifications

ASIN	B000BB79Q6
Additional Features	Variable Speed
Amperage	7.08 A
Best Sellers Rank	#34,868 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #11 in Power Rotary Hammers
Brand Name	Bosch
Color	Blue
Customer Reviews	4.7 4.7 out of 5 stars (3,017)
Drill Type	Hammer Drill
Drilling Capacity Metal	1 inches
Global Trade Identification Number	00000346345599
Included Components	Rotary Hammer, Auxiliary Handle, Depth Gauge, Carrying Case
Item Dimensions L x W x H	22.5"L x 11.25"W x 4.75"H
Item Type Name	11255VSR 1 In. SDS-plus® Bulldog™ Xtreme Rotary Hammer
Item Weight	10.4 pounds
Manufacturer	BOSR9
Manufacturer Part Number	11255VSR
Manufacturer Warranty Description	1 Year Repair or Replacement of Parts
Material Type	Blend
Maximum Chuck Size	13 millimeters
Maximum Power	960 watts
Maximum Rotational Speed	1300 rpm
Model Number	11255VSR
Number of Items	1
Power Source	Corded Electric
Speed	300 rpm
Torque	2 ft-lb
UPC	000346345599
Unit Count	1 Count

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₨10522

Duties & taxes included

In stock

Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Seychelles.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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