Bosch Diamond Blade DB1241S 12 Inch Arbor Cut Off Disc (Segmented Rim Wet Dry Cutting Concrete Pavers Brick Block Slicing Tool Shaft Assembly)

In stock
SKU: DB1241S
Regular price $56.29 USD
Regular price $73.69 USD Sale Sale price $56.29 USD

Bosch Promotional Logo Logout

Bosch DB1241S 12" Standard Segmented Rim Diamond Masonry Cutting Blade

The Bosch DB1241S 12-inch standard segmented rim diamond blade cuts cured concrete slabs, hard masonry blocks, interlocking paving stones, and soft brick across wet and dry jobsite applications. Engineered with an upgraded, taller industrial diamond segment matrix and a standard 1-inch arbor hole, this 2.81-pound cut-off wheel operates safely up to 6,400 maximum RPM while maintaining stable, wobble-free tracking under heavy loads. Outfitted with deep open segment gullets that clear concrete dust and slurry efficiently to prevent thermal binding, it equips masonry contractors, hardscape installers, and demolition crews with rapid, general-purpose cutting performance across large angle grinders, circular saws, and gasoline cut-off machines.

Best Used For:

  • Concrete Slab and Expansion Joint Cutting: Slicing deep cuts, floor joints, and retaining wall sections on residential and commercial construction sites.
  • Interlocking Paver and Hardscape Sizing: Trimming concrete pavers, flagstones, and architectural retaining wall blocks to exact landscaping specifications.
  • Masonry Block and Soft Brick Alterations: Cutting through cinder blocks, clay bricks, and mortar joints rapidly with minimal feed pressure.

Key Performance & Safety Features

  • Upgraded Taller Diamond Segment Height: Expanded segment profile packed with embedded industrial diamonds extends operating life and lowers overall cost-per-cut.
  • Segmented Open Gullet Design: Deep rim slots provide rapid debris and slurry evacuation, reducing cutting friction and operating temperatures.
  • Wet and Dry Operational Flexibility: Engineered matrix supports water-cooled wet cutting as well as dry cutting based on jobsite dust management requirements.
  • High-Speed 6,400 Maximum RPM: Dynamically balanced alloy steel core plate ensures stable, vibration-free tracking on high-power cutting saws.
  • Standard 1-Inch Arbor Mount: Universal center arbor hole fits securely onto professional high-speed cut-off saws, angle grinders, and circular saws.

What's Included

  • (1) Bosch DB1241S 12" Standard Segmented Rim Diamond Blade

Technical Specifications

Manufacturer Bosch Power Tools (Robert Bosch Tool Corporation)
Model Number DB1241S
Product Classification Standard Segmented Rim Diamond Cut-Off Blade
Blade Diameter Size 12.00 inches (12 in / 304.8 mm)
Center Arbor Hole Size 1.000 inch (1 in / 25.4 mm) Round Arbor
Blade Body Thickness 0.079 inches (2.0 mm)
Segment Rim Profile Segmented Rim Design with Open Gullets
Maximum Rotational Speed 6,400 RPM
Cutting Application Mode Wet and Dry Cutting Compatible
Core Plate Metallurgy Tensioned Heat-Treated Alloy Tool Steel
Net Product Weight 2.81 lbs (1.27 kg)
Target Substrates Concrete, Pavers, Soft Brick, Block, & Masonry
Compatible Tool Platforms 12" Cut-Off Saws, Angle Grinders, & Circular Saws (1" Arbor)
Manufacturer Warranty Lifetime Against Manufacturer's Defects

Pro-Tip: When dry cutting dense concrete blocks with a 12-inch cut-off saw, let the weight of the saw do the cutting without forcing the blade sideways; excessive side pressure can warp the steel core and reduce blade lifespan.