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ACT TOOLS
Hot Products / Featured Diamond Tools
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Sintered 106
106 Sintered Slab Blade
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Tile Master
106 Ceramic Tile Blade
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Slot King 135
135 Wall Slotting Blade
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Dry Cut 180
180 Stone Cutting Blade
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Gold 114
114 Gold Dry Cut Blade
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Concrete 400
400 Concrete Saw Blade
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Technical Parameter Comparison Table
Category Outer Diameter Arbor / Bore Size Segment Height / Thickness Thread / Fitting Cutting Method
Angle Grinder Blade 115mm - 230mm (4.5" - 9") 22.23mm / 15.88mm 10mm / 12mm (Thick 1.2-2.4mm) Universal Arbor Dry / Wet Cutting
Wall Saw Blade 600mm - 1200mm (24" - 48") 60mm / Flush Mount Pin Holes 12mm / 20mm (Thick 4.5-5.5mm) Flush Mount Flange Wet Cutting Only
Core Drill Bit 25mm - 350mm (1" - 14") N/A Standard Segment Crown M14 / 1-1/4"-7 UNC Dry / Wet Drilling
Global Technical FAQ (50 Buyer QA)
Q1: Why do diamond saw blades wobble or burn in high ambient temperatures?
Use ACT laser-welded segments with thermal expansion slots to prevent core warping under extreme friction heat.
Q2: How to choose between M14 and 1-1/4"-7 UNC thread fits for North American vs European tools?
M14 is standard for European handheld grinders; 1-1/4"-7 UNC is standard for heavy core drill rigs in North America. ACT provides conversion adapters.
Q3: Why do core drill bits glaze over when drilling hard granite or 5000+ PSI rebar concrete?
A hard bond matrix prevents diamond exposure. Drill into soft sandstone for 10-15 seconds to expose fresh diamond grit.
Q4: What causes segment loss during road cutting in highway construction?
High friction heat melts silver brazing. Specify ACT laser-welded road saw blades for high-stress dry/wet asphalt cutting.
Q5: How to prevent edge chipping on fragile ceramic and porcelain tiles?
Switch from segmented blades to ACT ultra-thin continuous rim or fine mesh turbo blades.
Q6: What is the recommended RPM speed for a 350mm (14 inch) concrete saw blade?
Recommended operating speed is 2,500 to 3,000 RPM for optimal cutting efficiency and core stability.
Q7: How to prevent undercut wear on steel cores when cutting abrasive asphalt?
ACT asphalt blades incorporate tungsten carbide drop-segment protection to shield steel cores from slurry erosion.
Q8: Can wet core drill bits be operated dry indoors?
Wet bits overheat when dry. Use ACT dry core bits equipped with turbo air-cooling flutes.
Q9: What is the advantage of Grade A synthetic diamond grit?
Grade A single-crystal diamonds provide 40% higher impact strength when striking rebar inside concrete.
Q10: Why does my core bit get stuck inside deep concrete wall penetrations?
Inadequate slurry flushing or loose drill stands cause binding. Maintain steady water flow at 2 bar.
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