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| Brand Name: | XRTOOLS |
| Model Number: | 33 |
| MOQ: | 500PCS |
| Price: | $0.35-22/PCS |
| Delivery Time: | 30-35 days |
| Payment Terms: | L/C, T/T, D/P, Western Union, MoneyGram |
When standard bi-metal saws hit their limit, our 33mm M42 Cobalt Series is just getting started. Featuring a certified 8% Cobalt edge, this hole saw is engineered for high-friction environments where heat would normally destroy the tool's cutting edge.
Specifically optimized for 1-1/4" conduit installations and industrial pipe routing, this 33mm cutter provides a cleaner, faster, and more controlled boring experience in everything from 304 Stainless Steel to abrasive fiber-cement boards.
| Dimension | The M42 Cobalt Standard | Performance Benefit |
| Material Science | HSS M42 (8% Co Content) | 3X Life Cycle: Maintains sharp teeth even at 1200°F (650°C). |
| Geometric Accuracy | Fully Ground Variable Teeth (4/6 TPI) | Zero Chatter: Prevents harmonic resonance for a perfectly round 33mm hole. |
| Mechanical Bond | Vacuum Electron-Beam Welding | Anti-Stripping: The HSS edge is fused to the body for extreme torque loads. |
| Efficiency | Dual-Angle Side Ejection Windows | Fast Plug Removal: Prevents "slug" jamming and facilitates cooling. |
| Depth Capacity | Heavy-Duty 38mm (1-1/2") Throat | Deep Boring: Cuts through subfloors and heavy-gauge plate in one pass. |
Red-Hardness Technology: Most M3 saws "anneal" (soften) as soon as they hit a metal stud. Our M42 Cobalt formula creates a secondary hardness that resists heat-softening. For the 33mm diameter, which moves at a higher peripheral speed, this heat resistance is the difference between one hole and fifty holes.
Non-Harmonic Tooth Spacing: Standard saws often "grab" or bounce, leaving jagged edges. Our 4/6 TPI Variable Pitch uses alternating tooth heights and gullet depths to cancel out vibration. This is critical for 33mm holes where a snug, professional fit is required for gaskets and glands.
Industrial Heat-Shield Coating: The surface is treated with a friction-reducing industrial coating. This prevents the "buildup" of material (like aluminum or wood resin) on the tooth face, ensuring the saw continues to cut instead of rubbing.
Industrial Electrical: Creating entry points for 1-1/4" conduit in galvanized steel control boxes.
Commercial Kitchen Installation: Precision holes in 304/316 Stainless Steel countertops and sinks.
Structural Engineering: Drilling through high-tensile metal studs and aluminum frameworks.
Cabinetry & Joinery: Perfect for large cable grommet paths in high-density MDF and hardwood.
Q: Why is 33mm better than 32mm for my installation?
A: In many industrial applications, a 33mm hole provides the perfect "clearance fit" for 32mm (1-1/4") pipes or conduit, allowing for easy insertion without compromising structural integrity.
Q: Can I use this for dry cutting in thick iron?
A: M42 can handle high heat, but for 33mm holes in iron or steel, we recommend a low RPM (110-125 RPM) and a drop of cutting oil. This ensures the best finish and maximum tool life.
Q: Will the teeth break if I hit a nail in wood?
A: No. The Electron-Beam Welding ensures the HSS teeth are flexible enough to absorb the impact of a nail rather than snapping off.
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