Makita Segmented Rim Diamond Cutoff Wheel B-69674 14 Inch Saw Blade (5400 Max RPM 0.125 Inch Thickness Dual Purpose Concrete Asphalt Trenching)
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Industrial Dual-Purpose Segmented Core Wheel for Vibration-Free Pavement and Poured Slab Sawing
The Makita B-69674 14-Inch Segmented Rim Diamond Blade delivers professional-grade mechanical shearing precision when processing high-torque structural concrete, road asphalt layouts, dense aggregate building blocks, and masonry brick. Engineered with an advanced 0.125-inch kerf profile and laser-welded diamond segments, this industrial cutoff saw disc optimizes rotational durability to operate safely up to 5,400 RPM under continuous field execution. The balanced premium tool steel core minimizes tool vibration and chatter runout, expanding battery or gas power efficiency across a broad array of utility layouts. Featuring universal arbor compatibility that accommodates both 1-inch and 0.787-inch (20mm) drive spindles, this dual-purpose power tool accessory integrates seamlessly into handheld gas cut-off saws or low-horsepower walk-behind street pavement cutters for wet or dry operation.
Best Used For:
- Roadway Pavement Demolition: Executing clean linear street cuts through dense asphalt overlays and patch repairs during underground utility excavations.
- Cured Structural Concrete Trenches: Deep sawing of poured industrial floor slabs, sidewalk expansions, and aggregate foundations for plumbing drainage lines.
- Commercial Masonry Block Layouts: Rapidly trimming high-density building blocks, natural stone lintels, and hard-fired exterior brick assemblies.
Key Performance & Safety Features
- Laser-Welded Diamond Segments: Solid-state automated metallurgical bonding prevents high-speed segment detachment, guaranteeing structural joint integrity.
- 50% Taller Airflow Slots: Elongated perimeter gullets channel massive air circulation, lowering operating temperatures and tripling operational service life.
- Premium Dynamic Core Balancing: Industrial-grade core plate minimizes harmonic vibration, suppressing power cutter operator fatigue while protecting tracking lines.
- Universal Dual Spindle Fitment: Dual-machined inner cap accommodates both 1-inch and 20mm arbor shafts to match globally standard power cutters.
- All-Weather Operation Matrix: Specially formulated abrasive metallic bond structure functions reliably in dry abrasion environments or water-cooled wet sawing setups.
What's Included
- (1) Makita B-69674 14" Segmented Rim Diamond Blade
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Makita |
| Model Number | B-69674 |
| Blade Diameter | 14.0 in |
| Arbor Size Configurations | 1.0 in / 0.787 in (20 mm) |
| Blade Thickness (Kerf) | 0.125 in |
| Maximum Operational Speed | 5,400 RPM |
| Rim Design Profile | Segmented Rim |
| Product Execution Grade | Dual Purpose (Concrete and Asphalt) |
| Tool Compatibility | Gas Power Cutter, Industrial Cut-off Saw |
| Cutting Environment Optimization | Wet or Dry Cutting |
| Shipping Weight | 4.5 lbs |
Pro-Tip: When cutting highly abrasive materials like asphalt or green concrete, the specialized metallic matrix bond wears down faster to keep diamonds exposed. To maintain maximum tool efficiency, do not alternate rapidly between asphalt and concrete surfaces without running a short cleaning pass into a piece of dense structural block to clean out embedded tar or stone residue particles.