SKU: 9409587638

Bosch SDS Plus Bulldog Rotary Hammer Bits 25 Pack Carbide Tipped Concrete Drill Bit Set For Masonry Rock Brick Anchor Hole Boring Core Flute

Sale price$71.95 Regular price$79.95
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Description

Bosch SDS Plus Bulldog Rotary Hammer Bits 25 Pack Carbide Tipped Concrete Drill Bit Set For Masonry Rock Brick Anchor Hole Boring Core FlutePlow Through Solid Concrete and Masonry Walls with Ultimate Carbide Endurance and Precision Boring Speed Keep your construction crew running at peak velocity and eliminate layout stalling with the heavy duty production capacity of the Bosch SDS plus Bulldog Rotary Hammer Bits 25 Pack bulk set. Explicitly developed for commercial electrical contractors, industrial HVAC technicians, framing carpenters, and masonry specialists, these contractor grade

Plow Through Solid Concrete and Masonry Walls with Ultimate Carbide Endurance and Precision Boring Speed

Keep your construction crew running at peak velocity and eliminate layout stalling with the heavy-duty production capacity of the Bosch SDS-plus® Bulldog™ Rotary Hammer Bits 25-Pack bulk set. Explicitly developed for commercial electrical contractors, industrial HVAC technicians, framing carpenters, and masonry specialists, these contractor-grade anchor hole bits handle your most brutal masonry boring loops. Standard bits overheat, dull prematurely, and wander off-center when striking dense stone or aggregate. This premium Bosch fleet package solves that persistent field frustration through its custom-formulated Bosch-made carbide tip geometry, which preserves absolute structural edge hardness and prevents thermal failure during continuous high-speed drop-in anchor installations.

Uncompromising spatial accuracy and ultra-efficient dust evacuation define the technical blueprint of these legendary dual-cutter twist drill bits. Outfitted with an integrated centric point tip, each bit bites immediately into slick vertical concrete walls, checking annoying tool walking and guaranteeing tight, true center starts for absolute precision hole placement. To completely bypass structural layout guesswork, a precision wear mark indicator is etched directly into the carbide flank, alerting the installer the exact moment the bit tip has worn past ANSI code compliance parameters for critical mechanical anchors. Fused to a high-capacity four-flute channel array that rapidly drafts hot masonry dust curls out of deep holes, these cool-running bits minimize operational drag and friction to stretch your cordless rotary hammer battery runtime.

Key Features

  • Bosch-Formulated Carbide Tip Matrix: Industrial-grade carbide head design offers massive impact resistance and structural lifespan in harsh structural materials.
  • Instant Self-Centering Centric Tip: Promotes fast, aggressive starting points on smooth concrete or brick surfaces to maximize anchor placement reliability.
  • Dual-Cutter Speed Geometry: Precision-engineered two-cutter head layout minimizes frictional resistance to boost drilling velocity and preserve tool battery pack runtime.
  • High-Capacity Four-Flute Array: Standardized multi-channel helix evacuates concrete dust quickly from the hole to prevent thermal binding and tool lockup.
  • Built-In Wear Mark Indicator: Gives field operators a clear visual safety alert when the bit tip profile has worn past standardized strict ANSI limits.
  • Universal SDS-plus® Drive Shank: Standardized slotted fitting layout mounts instantly into modern corded or cordless rotary hammers with zero mechanical slippage.

What's Included

  • (25) Bosch SDS-plus® Bulldog™ Carbide-Tipped Rotary Hammer Bits

Specifications

Specification Profile Details / Performance Value
Brand Name Bosch
Product Line Family Bulldog™ SDS-plus® Series
Tool Shank Connection Style SDS-plus® Slotted System Fitment
Cutting Tip Composition Proprietary Bosch Carbide Tipped Matrix
Head Cutting Format Layout Two-Cutter Low-Resistance Design
Flute Evacuation Design Four-Flute High-Velocity Heat-Reducing Core
Wear Verification Tracking Integrated Visual Wear Mark Array
Primary Material Compatibility Poured Concrete, Hard Stone, Masonry Brick, Structural Cinder Block
Power Tool System Class Impact-Rated SDS-plus® Cordless or Corded Rotary Hammers
Bulk Fleet Package Quantity 25 Individual Bits per Box Carton

Pro-Tip: When boring deep anchor holes in cured concrete structures with an SDS-plus rotary hammer bit, avoid using excessive body pressure against the handles. Lean in just enough to keep the bit engaged with the material. To keep the bit running cool and prevent dust from packing tight inside the hole, utilize the pull-and-push clearing technique. Regularly draw the spinning bit halfway out of the channel to pull the fine stone powder out of the hole, allowing the four-flute array to work efficiently, which dramatically stretches your bits' operational lifespan and keeps you code-compliant.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9409587638

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4.0 ★★★★★
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Mona T.
Lake Worth, US
★★★★★ 5
Attractive
Size: 4 Panel-88'', Color: Grey
The assembled product is just as described. The screens look great! I am using them to hide the cluttered shelving in my garage. The area now looks quite neat Something I must say, though, is that the assembly was extremely difficult. I had to use a silicone spray and some pounding to get the A and B poles to fit together. Also, it required a great deal of strength to stretch and hold the fabric panels so that the bars inserted in each hem lines up with the screws inserted in A/B poles. I strongly recommend having a partner to help with the assembly. while sc and screw into poles them once inserted intetchedtne end of each pole ( and B poles barely fit together. I used silicone spray on the end and then pounded them
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Reviewed in the United States on December 12, 2025
K
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karine
Carnegie, US
★★★★★ 5
Works
Size: 3 Panel-102'', Color: Beige, Size: 3 Panel-102'', Color: Beige
It’s beige and not white. Once install - hard to disinstall. Need a drill to put it together
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Reviewed in the United States on May 4, 2026
R
Verified Purchase
ralversity
Bozeman, US
★★★★★ 3
Does the job, but assembling by yourself is a nightmare
Size: 4 Panel-88'', Color: Black
Does it do the job? Yes, although as others said there are small gaps but it's not a huge deal. The price is also good. But the reason I'm giving it a 3/5 is simply because the assembly for this was a complete nightmare. I honestly don't think I would recommend this to anyone unless they have another person to help them assemble it, because doing it by myself was terrible. I don't think I'd buy this again, I think I'd opt to just spend a bit more money and save myself the trouble personally.
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Reviewed in the United States on May 29, 2026
T
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Talagand
Battle Creek, US
★★★★★ 4
Reasonably adequate room divider
Size: 4 Panel-88'', Color: Beige
I'm reviewing this as I assemble it. Couple things: 1. I didn't expect as much assembly. I've ordered dividers before and they more-or-less came as one unit. Sometimes the panels needed screwing together. These require complete assembly and come largely as three rods: two make up vertical columns and snap together. Another one (called part "C") makes the horizontal columns and you have two of these per panel (one attaches to part "A" and the other part "B"). These parts are metal with a plastic shim. Using the wood screws to attach to part "C" is a real pain in the neck. There's not much holding the panel in place so it's a little tricky. One tactic I've found while I'm assembling that works for the initial connections from parts A and B to their respective "C" rods is to hold the screw in place with a screw driver and then rotating the rod around the screw. This will do a number on your hands if you aren't wearing gloves. This obviously doesn't work when completing the connection. Using a driller driver on this is really near impossible because there isn't anything you can use to secure it in place. You can use it on the first panel, but as it gets longer, it becomes increasingly difficult and because it isn't wood, it's really tight. I considered drilling larger pilot holes but since there are only 4x4=16 screws I need to screw in, I just decided to use my screw driver to complete it. 2. Also related to assembly. When completing the panels (attaching parts "A" and "B" to parts "C" that have the cloth cover on it), you have to be careful that when you tighten that side that it isn't loosening the other side. Because the pilot holes are so tight, you can end up rotating the rod, which rotates it in the same direction as looser on the original side. Having someone hold the "C" rod in place while you screw it in is probably the easiest approach. I didn't have a 2nd person, so I just had to keep flipping back and forth and tightening both sides as I screwed it in. Not the worlds biggest deal, but annoying nonetheless. 3. The way the instructions are written, they seem to suggest building this thing progressively; that is, you do panel 1, then 2, connect them together, then do 3 and connect it, etc. I took a different route that I suspect saved me quite a bit of trouble, and I assembled all four panels first and THEN connected everything together. 4. For the love of God make sure you check that the plastic tip is on the same side for every panel. Otherwise, you have to take one side apart again and reverse it. On the bright side, if this happens, you've essentially bored out the pilot holes to be the correct size... which is having me question if I shouldn't have just bored them out to the appropriate width in the first place. 5. Attaching all of the panels together is also an enormous pain in the ass unless you happen to have an 88" long elevated surface. Attaching the legs either requires you to elevate one side, which will invariably twist the inexplicably cheap material in the bottom connectors... or you can attach them sideways... or you can put this thing upright, having two people hold the panels in place while you use the allen wrench to tighten the bolts on the underside. None of those are particularly great options. NOW on to the utility itself. 1. The panels do let some light through (I didn't believe their advertising, and that was one of the reasons that I bought beige, is that I wanted it to not be too dark). They aren't transparent though, so it isn't that far off from their description. They functionally work great, and keep the mess of wires hidden and when I'm sitting at my desk, actually reflect quite a bit of light into my office. Great! 2. My wife has described these as "the most hideous piece of furniture ever conceived of by man." So it does not have spouse approval factor. Granted, she will seldom be in my office area, so that isn't the end of the world. 3. These are really hard to align in a way that doesn't look a little tacky. There are some plastic connectors but they don't do a bang up job of keeping these in place. Each panel is slightly tilted and it's... quite obvious. I may at some point make my own improvements to these to help make them more level. It's not a particularly expensive product so I wasn't expecting much so it's fine and I'm not going to ding them on the rating because of it. All said, would I buy this product again? Probably not. It's assembly was ~90 minutes which is about 75 minutes longer than I was anticipating spending on this (not including the 5 minute writeup that I'm doing here). But am I going to return it? Also no, if for no other reason I'd be just as annoyed taking it apart and putting it in the original box to return it.
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Reviewed in the United States on October 31, 2023
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Verified Purchase
Andy Sims
Alexandria, US
★★★★★ 5
better then expected
Color: Black
very easy to put together works perfectly! very stable for the side would buy again!
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Reviewed in the United States on May 21, 2026

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