Description
“The 25mm Pro-Series Fast Hole Saw represents the pinnacle of drilling efficiency. While standard bi-metal saws often overheat and dull when hitting stainless steel, our Carbide-tipped system maintains a razor-sharp edge even under heavy industrial use.
The triple-layer tooth geometry ensures balanced cutting, reducing vibration and protecting your drill’s motor. Designed for ‘dry cutting’ sheet metal, switchboards, and thick-walled pipes, it delivers a burr-free finish that requires zero filing. The integrated pilot bit with SmoothStartâ„¢ technology prevents the bit from ‘walking’ on smooth surfaces, ensuring your 25mm hole is positioned exactly where you need it.“
TCT vs. Bi-Metal: The 2025 Performance Gap
In modern construction, we are seeing a massive increase in the use of 316-grade stainless steel. Traditional Bi-Metal saws struggle with these harder alloys, often burning out after just a few holes. TCT (Tungsten Carbide Tipped) technology has taken over as the industry favorite because it maintains its hardness at extreme temperatures, offering a 10x longer lifespan and a much lower “cost-per-hole.”1
Battery Efficiency for the Cordless Jobsite
Hole saw cutters are inherently more sustainable. Because they only cut the outer rim of the material (the kerf) rather than grinding the entire 25mm core, they require 40% less torque. For the modern cordless-heavy jobsite, this means you get more holes per charge and less wear on your expensive power tools.
Comparison & Technical Charts
Performance Comparison: 25mm Hole Saw Types
| Feature | TCT (Fast Cutter) | Bi-Metal (Standard) | Twist Drill Bit |
| Material Strength | Ultra-Hard (Carbide) | Flexible / Tough | High-Speed Steel |
| Ideal For | Stainless, Alloy, Iron | Wood, PVC, Mild Steel | Wood, Thin Metal |
| Drilling Speed | Fastest (Seconds) | Moderate | Slow (Minutes) |
| Finish Quality | Precision / Clean | Moderate | Rough / Burr-Heavy |
| Tool Life | 500+ Holes | 100-150 Holes | 30-50 Holes |
Recommended RPM Chart (25mm Cutter)
| Material | Recommended RPM | Coolant Required? |
| Stainless Steel (316) | 350 – 500 RPM | Yes (Cutting Oil) |
| Mild Steel | 600 – 900 RPM | Recommended |
| Cast Iron | 400 – 600 RPM | No (Dry) |
| Aluminum | 1000 – 1200 RPM | Optional |
| Hardwood / PVC | 1500 – 2000 RPM | No |
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