A Bosch 3-piece SDS-Plus Bulldog self-sharpening chisel set arranged vertically against a white background, featuring a star-point twist chisel, a flat viper chisel with power ribs, and a wide flat tile scraping scaling chisel, all showcasing universal quick-change slotted SDS-plus shanks.
A close-up overhead product image highlighting the distinct cutting heads of the Bosch SDS-Plus Bulldog chisel set, emphasizing the twisted star point, the flat viper blade with self-sharpening ribs, and the broad chisel face engineered for rapid tile scraping and concrete breaking.
The retail packaging for the Bosch SDS-Plus Bulldog self-sharpening chisel set, showing the three chisels neatly stored inside a clear cylindrical plastic contractor tube with blue branding labels detailing performance features and kit contents.
An on-site construction image of an operator utilizing a Bosch cordless rotary hammer equipped with an SDS-Plus chisel and dust extraction shroud to chip away structural brick masonry, with a Bosch HEPA-ready dust extractor vacuum managing jobsite silica particles.
An action image demonstrating a worker using a Bosch rotary hammer and an angled flat scaling chisel with a dust attachment to strip up old hexagonal ceramic floor tiles and underlying hardened mortar beds quickly.
A macro detail shot of a Bosch self-sharpening star-point twist chisel fracturing a dense, stone-filled structural concrete slab to demonstrate high-impact demolition performance.
A macro shot showing a Bosch self-sharpening flat viper chisel digging into concrete rubble and stone aggregate, illustrating effective material removal and low-friction line chiseling.
A low-angle jobsite photo of a worker wearing leather gloves and boots operating a Bosch cordless demolition tool to break up a concrete foundation edge next to a portable Bosch cordless dust extractor vacuum.
Bosch Concrete Tool Accessories | Bosch WOC 2026 promotional video
A Bosch 3-piece SDS-Plus Bulldog self-sharpening chisel set arranged vertically against a white background, featuring a star-point twist chisel, a flat viper chisel with power ribs, and a wide flat tile scraping scaling chisel, all showcasing universal quick-change slotted SDS-plus shanks.
A close-up overhead product image highlighting the distinct cutting heads of the Bosch SDS-Plus Bulldog chisel set, emphasizing the twisted star point, the flat viper blade with self-sharpening ribs, and the broad chisel face engineered for rapid tile scraping and concrete breaking.
The retail packaging for the Bosch SDS-Plus Bulldog self-sharpening chisel set, showing the three chisels neatly stored inside a clear cylindrical plastic contractor tube with blue branding labels detailing performance features and kit contents.
An on-site construction image of an operator utilizing a Bosch cordless rotary hammer equipped with an SDS-Plus chisel and dust extraction shroud to chip away structural brick masonry, with a Bosch HEPA-ready dust extractor vacuum managing jobsite silica particles.
An action image demonstrating a worker using a Bosch rotary hammer and an angled flat scaling chisel with a dust attachment to strip up old hexagonal ceramic floor tiles and underlying hardened mortar beds quickly.
A macro detail shot of a Bosch self-sharpening star-point twist chisel fracturing a dense, stone-filled structural concrete slab to demonstrate high-impact demolition performance.
A macro shot showing a Bosch self-sharpening flat viper chisel digging into concrete rubble and stone aggregate, illustrating effective material removal and low-friction line chiseling.
A low-angle jobsite photo of a worker wearing leather gloves and boots operating a Bosch cordless demolition tool to break up a concrete foundation edge next to a portable Bosch cordless dust extractor vacuum.
Bosch Concrete Tool Accessories | Bosch WOC 2026 promotional video
BOSCH

Bosch 3 Piece SDS Plus Bulldog Self Sharpening Demolition Hammer Chisel Set Star Point Flat Viper Tile Scraping Concrete Breaker Scaling Tool Kit

In stock
SKU: HS143PK
$28.29 USD

Description

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Blast Through Hard Concrete Dense Mortar and Toughened Ceramic Tile Overlays with the Ultimate Self-Sharpening Scraper and Breaker Kit

Dominate grueling masonry teardowns, structural renovations, and surface preparation tasks with the professional-grade Bosch 3-Piece SDS-Plus Bulldog Self-Sharpening Chisel Set. Engineered specifically for commercial tile setters, masonry remodeling crews, demolition specialists, and general contractors, this ultra-premium steel kit delivers an exceptional 30 percent longer service life and significantly higher material removal rates than standard entry-level chisels. Standard forged chisels quickly dull on impact, wedge themselves inside expansion joints, and absorb critical impact energy instead of shattering the target substrate. This matching industrial triplet changes the game entirely by introducing advanced self-sharpening geometric profiles that actively preserve their biting edges under heavy stress, turning your high-velocity rotary hammer drill into a relentless, low-fatigue demolition machine.

This versatile heavy-duty layout equips your toolbox with three separate application-specific blades to cover everything from precise prying to brutal fracturing. The innovative Star-Point chisel utilizes an aggressive twisting head design that expands its direct shattering footprint while remaining completely loose and jam-resistant inside structural stone or concrete slab floors. For general channeling, concrete line scoring, and mortar bed cleanup, the Viper flat chisel incorporates specialized exterior power ribs that distribute dynamic shockwaves uniformly while sharpening the blade face during operation. Finally, the heavy-duty angled tile chisel slips effortlessly under old mortar backer boards and thinset overlays, clearing stubborn ceramic layers up to 40 percent quicker than standard flat chisels without breaking tiles into millions of problematic shards. Packed inside a resilient, compact storage tube that protects your tool investment on trucks or jobsites, this master scaling set guarantees high-conversion precision and flawless demolition performance shift after shift.

Key Features

  • Unmatched Tool Lifespan: Engineered advanced metallurgy achieves 30% longer structural wear life and superior daily material extraction volumes.
  • Star-Point Twist Innovation: Uniquely twisted point profiles break outward paths to drastically reduce wedge binding inside deep foundational trenches.
  • Viper Power Ribs: Flat blade is reinforced with structural ribs that sharpen the leading edge under friction while magnifying concrete shattering loads.
  • High-Velocity Tile Scaling: Specialized broad tile chisel face strips difficult setting beds up to 40% faster than conventional flat concrete chisels.
  • Universal SDS-Plus Compatibility: Slotted drive shanks lock smoothly into all professional SDS-Plus rotary hammer brands for peak kinetic transfer.
  • Contractor Storage Tube: Rigid heavy-duty tube format provides effortless toolbox protection and clean vertical hanging organization options.

What's Included

  • (1) HS1472 10-Inch Star-Point Twist Chisel
  • (1) HS1470 3/4-Inch x 10-Inch Viper Flat Chisel
  • (1) HS1465 1-1/2 Inch x 10-Inch Angled Tile Chisel
  • (1) Heavy-Duty Contractor Storage Tube

Specifications

Specification Profile Details / Performance Value
Brand Name Bosch
Kit Model Identification HS143PK
Shank Drive Interface SDS-Plus Slotted Universal Quick-Change Fitment
Total Tool Length (All Pieces) 10 in.
Viper Flat Chisel Width 3/4 in.
Tile Scaling Chisel Width 1-1/2 in.
Material Formulation Premium Heat-Treated Forged Alloy Steel Matrix
Performance Enhancements Self-Sharpening Geometry, Anti-Wedge Twisting Profiles, Ribbed Reinforcements
Operational Tool Settings Hammer-Only / Chipping Demolition Mode
Primary Application Scope Ceramic Tile Removal, Masonry Channeling, Concrete Chiseling, Thinset Scraping
Total Package Piece Count 3 Chisels plus 1 Heavy-Duty Packing Tube

Pro-Tip: Before snapping a chisel shank into your rotary hammer chuck, wipe off any gritty stone dust from the base and smear a thin dab of specialized chisel grease over the locking grooves. Demolition chipping generates immense thermal friction inside the tool holder; running the steel shank dry strips the internal chuck components and accelerates costly repairs. Additionally, make sure your tool is locked strictly into "Hammer-Only" mode; letting a chisel spin in full rotation mode can destroy the blade profile and ruin your workpiece.