SKU: 38848362102

Bosch HS1813B20 12 Inch Spline Shank Rotary Hammer Bull Point Chisel Bit Pack of 20 Forged Alloy Steel Demolition Bits for Concrete

Sale price$143.95 Regular price$159.94
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Description

Bosch HS1813B20 12 Inch Spline Shank Rotary Hammer Bull Point Chisel Bit Pack of 20 Forged Alloy Steel Demolition Bits for ConcreteMaximize Mass Demolition Yields with Industrial Grade Bull Point Chisel Power Tackle large scale concrete chipping and structural break up jobs with the Bosch HS1813B20 12 Inch Spline Shank Rotary Hammer Bull Point Chisel Bit 20 Pack. Designed specifically for mechanical tradesmen, pool builders, utility contractors, and commercial demolition teams, these high impact bull point points specialize in localized stress fracturing. By channeling your

Maximize Mass Demolition Yields with Industrial-Grade Bull Point Chisel Power

Tackle large-scale concrete chipping and structural break-up jobs with the Bosch HS1813B20 12-Inch Spline Shank Rotary Hammer Bull Point Chisel Bit 20-Pack. Designed specifically for mechanical tradesmen, pool builders, utility contractors, and commercial demolition teams, these high-impact bull point points specialize in localized stress fracturing. By channeling your rotary hammer's complete impact force straight into a sharp, focused tip, these chisels easily shatter dense unreinforced concrete, heavy foundation slabs, masonry brick configurations, aggregate blocks, and structural grout lines. Buying this multi-pack guarantees your fleet stays completely outfitted on high-production construction projects, eliminating costly jobsite interruptions.

Engineered to withstand brutal continuous cyclic shock, each chisel in this bulk kit is manufactured from a single piece of premium-grade forged alloy steel. Bosch implements a proprietary, advanced thermal heat-treatment process that hardens the carbon-steel core to significantly resist tip dulling while maintaining structural ductility to eliminate catastrophic shattering under high trade loads. The universal 3/4-inch hex by 21/32-inch round spline shank profile delivers a rock-solid, non-slip interface for conventional spline-drive demolition hammers and large rotary hammers. Trust these Italian-made heavy-duty consumables to track accurately, clear hard masonry substrates at rapid penetration rates, and deliver reliable jobsite durability to your commercial crews.

Key Features

  • 20-Piece Bulk Fleet Pack: Keeps heavy construction and demolition teams continuously supplied across large-scale commercial job sites.
  • Concentrated Point Geometry: Directs your tool's maximum joules of impact force to a single point, allowing for fast starting holes and mass fracture runs.
  • Universal Spline Shank Fit: Precision-ground 3/4" hex x 21/32" round shank matches standard professional spline-drive demolition and rotary hammer chucks.
  • Proprietary Heat-Treat Forging: Premium industrial alloy steel formulation engineered to combat structural fatigue and eliminate catastrophic bit breaks under load.
  • One-Piece Core Structural Balance: Forged from a single piece of premium steel to transfer kinetic energy efficiently without dampening vibrations.

What's Included

  • (20) Bosch HS1813 12" Spline Shank Bull Point Chisel Bits

Specifications

Specification Value
Brand Name Bosch
Model Number / MFG Part # HS1813B20
Package Quantity 20 Bits per Box
Bit Accessory Type Bull Point Chisel Bit
Shank Style Fitment Spline Shank (Round Hex Combo)
Total Length 12.0 in.
Shaft Cross-Section Dimension 3/4 in. Hex x 21/32 in. Round
Bit Working Tip Diameter 1/2 in.
Material Composition Proprietary Heat-Treated Alloy Steel
Material Application Compatibility Concrete, Brick, Masonry, Cinder Block, Structural Grout
Product Condition Brand New

PRO-TIP: Bull point chisels are explicitly meant for initiating deep fault cracks and breaking bulk chunks of stone or unreinforced slabs. Avoid using them to pry or lever concrete beds like a crowbar once the tip is driven down! Relying on mechanical prying forces puts excessive lateral stress across the bit throat, which can strain your tool's spline retainer chuck and crack even high-tensile heat-treated alloy steel shanks!

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: 38848362102

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Unknown1
Cuba, US
★★★★★ 5
Good option
Size: 16oz
Fixed multiple car tires
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026
C
Verified Purchase
Charlie "Chuck" Brown
Whiting, US
★★★★★ 4
IT WORKS, IT REALLY WORKS!
Size: 16oz, Size: 16oz
I carry a tire plug kit in my van. Low pressure light came on and quickly made my way to air pump. Checked out tire and was at least a 5/16" bolt right between tread, very easy to locate (hissing). Inflated tire, prepared plug, pulled out bolt, inserted plug done. Almost home light came on again. Used water soap and plug was still leaking. Tried double plug and still leaking, but would take days to trigger low pressure light. Tire still had decent tread and didn't have facilities to patch, so got a can of fix a flat. I have never believed in this stuff, but it worked. No low pressure warnings for about a month. Around here they would charge $50 for a patch, 2 .25 cent soft rubber plugs and fix a flat, problem resolved!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 25, 2025
M
Verified Purchase
Markus
Belleville, US
★★★★★ 5
Buy it! Lifesaver!
Size: 16oz
Yes, buy it when you don't have a spare tire because you will need it! I live in Florida and flat tires are just part of living here! Saved my life twice already and is absolutely self explaining! Cheaper then a spare tire, lighter than one too! Just throw it in your trunk and best case you will never need it but just in case!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
E
Verified Purchase
E. A. Jacques
Pawtucket, US
★★★★★ 1
Difficult to use and eventually hose end broke
Size: 24oz, Size: 24oz
I purchased this can of Fix-A-Flat to fix, what I believe, is a rim leak on my truck tire which needs to be filled once every week or so. When I attempted to use the product I let some air out of the tire (down to 25 psi) so it would be easier to dispense the contents. The instructions on the can say to have the valve on the tire at the 6 o'clock...which I did as well. When I attempted to make the connection using the swivel connector on the can's hose it was difficult. The hose on the can is very short and stiff and because it came coiled in the can's lid, did not want to straighten out making connecting it to the tire a very awkward process. It was hard to screw the hose end on the valve without it binding so it felt like it was cross-threading. I have machined aluminum valve caps and they go one very easily so I know the threads on the tire's valve stem are clean. I finally did get it on and when I attempted to dispense the contents it filled the hose but that was about it. I could not see any contents flowing thru the hose at all. I assumed it was not on far enough so I took it off to try again and the contents sprayed everywhere showing it was indeed under pressure....just not going into the tire. After multiple tries the hose end eventually just broke off and stayed on the tire's valve stem. I was able to get it off, but at this point the can is useless to me. Obviously I cannot and will not recommend this product. I have used this product before and had success, but that was when the hose was longer and wired to the side of the can making it much easier to use, versus how they are shipped now. I would recommend going with another product or possible going to a box store (which is what I plan to do) to find one that does not have this design. At the very least, if you do choose to disregard this review, I would try it with the tire's valve stem at the 3 or 9 o'clock position which might make it easier to thread the hose end on to the valve stem,. Also, if you choose to go this route you might just be throwing your money away. I attempted to get a refund from Amazon and was directed to the manufacture's web site. From there you are directed to use the 800 number of leave a general message that is in no way connected to your Amazon purchase. Past experience tells me it will not be an easy process so it looks like I am out the $12.
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Reviewed in the United States on March 10, 2024
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Verified Purchase
Leslie winder
Belleville, US
★★★★★ 5
This is a necessity for anyone that tries a car!!
Size: 20oz 6pk
I haven’t used this yet, but I bought a case to give to my family members. My friend who came outside to a flat tire. It was a Sunday in Utah so there was really no one that could fix it. Walmart told her to get this product. She had to drive home immediately following using this product (300 miles) It has been over two months now and my niece is still driving on that tire. It was a brand new tire that was costly so she decided to just wait and see how long this product will work. Great gift for anyone in the family that drives. This does not work on a blown tire. If you wake up in the morning and your tire is flat, or you get out of class and your tire is flat, just use this product and no calls need to be made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 14, 2025

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