Makita Segmented Diamond Blade B-69618 5 Inch Circular Saw Wheel (12200 Max RPM 0.51 Segment Height Concrete Brick Block Paver Grinder Cutting)

In stock
SKU: B-69618
Regular price $36.97 USD

Industrial 5-Inch Segmented Core Wheel for High-Speed Structural Concrete and Masonry Flat Layout Sawing

The Makita B-69618 5-Inch Segmented Rim Diamond Blade delivers professional-grade mechanical shearing precision when processing cured structural concrete, hard building brick, dense masonry block, and interlocking patio pavers. Engineered with a specialized 0.08-inch kerf profile and an optimum bond matrix, this industrial cutoff saw wheel minimizes surface friction to achieve up to 40% faster cutting speeds compared to traditional turbo rim configurations. The balanced tool steel body is carefully tensioned to reduce mechanical vibration and chatter runout, expanding overall tracking accuracy up to an intense 12,200 RPM maximum operational velocity. Featuring multi-arbor compatibility that adapts effortlessly to 7/8-inch, 5/8-inch, and 20mm drive spindles, this dual-optimized diamond tool accessory transitions seamlessly between dry aggregate abrasion environments or water-cooled wet suppression workflows.

Best Used For:

  • Commercial Pavement Modification: Trimming and shaping high-density interlocking concrete pavers, architectural stones, and landscape clay bricks down to exact layout margins.
  • Structural Masonry Openings: Slicing crisp vertical channels and electrical pass-through corridors inside hardened cinder block configurations and structural mortared walls.
  • Roof Tile Custom Miters: Executing high-speed perimeter cuts and angle trimming on abrasive clay or concrete roof tile materials during building envelope installations.

Key Performance & Safety Features

  • 13mm Taller Segment Matrix: 0.51-inch specialized block segments provide 50% more abrasive depth, supplying up to 4X the operational service life of competitive wheels.
  • Integrated Heat Cooling Slots: Precision-engineered perimeter expansion slots guide high-velocity airflow through the cut, lowering thermal fatigue and maintaining flatness.
  • Vibration Tensioned Core Plate: Premium balanced steel plate suppresses tool harmonic chatter to improve user control while securing a finer, chip-free finish.
  • Universal Multi-Arbor System: Built-in bushing adaptations match 7/8-inch, 5/8-inch, and 20mm spindle shafts to fit globally standardized angle grinders and cutoff tools.
  • Dual All-Weather Adaptability: Highly resilient metallic matrix bond is optimized for dry debris tracking or pressurized wet dust-suppression applications.

What's Included

  • (1) Makita B-69618 5" Segmented Rim Diamond Blade

Technical Specifications

Specification Value
Brand Makita
Model Number B-69618
Blade Diameter 5.0 in
Segment Height 0.51 in (13 mm)
Arbor Sizes Compatibility 7/8 in, 20 mm, 5/8 in
Rim Design Profile Segmented Rim
Kerf Thickness 0.08 in
Maximum Rotational Velocity 12,200 RPM
Cutting Environment Optimization Wet or Dry Cutting
Product Execution Grade General Purpose
Tool Compatibility Array Angle Grinder, Cut-off Saw
Shipping Weight 0.4 lbs
UPC Code Barcode 088381-548946

Pro-Tip: When deploying this segmented wheel on handheld angle grinders for dry stone trenching, allow the blade tool weight to dictate material penetration rates. Do not apply heavy downward operator muscle pressure, and briefly pull the rotating disc free from the masonry trench every 20 seconds to allow ambient airflow to cool the core plate steel matrix.