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| Brand Name: | XRTOOLS |
| Model Number: | 30 |
| MOQ: | 500PCS |
| Price: | $0.35-22/PCS |
| Delivery Time: | 30-35 days |
| Payment Terms: | L/C, T/T, D/P, Western Union, MoneyGram |
Our Bi-Metal Hole Saw represents the perfect balance of strength and flexibility. By electron-beam welding a high-performance HSS M3 or M42 (8% Cobalt) cutting edge to a tough, alloy steel backer, we have created a tool that can withstand the rigors of heavy-duty drilling without shattering.
The variable pitch teeth (4/6 TPI) design ensures a smoother cut with less vibration, making it ideal for a wide range of materials including stainless steel, mild steel, aluminum, hardwood, and plastics. This is the "go-to" tool for electricians, plumbers, and HVAC professionals worldwide.
| Feature | Specification Details | Industrial Advantage |
| Blade Material | HSS M3 or M42 (8% Cobalt) | High Heat Resistance & Edge Retention |
| Body Material | Premium Alloy Spring Steel | Resists Fatigue and Shattering |
| Teeth Design | Variable Pitch (4/6 TPI) | Faster Cuts, Lower Vibration, Better Chip Clearance |
| Cutting Depth | 38mm (1-1/2") to 45mm | Suitable for Deep Drilling and Thicker Joists |
| Surface Finish | Powder Coated or Painted | Friction Reduction and Corrosion Protection |
| Compatibility | Fits Standard Arbors and Chucks | Universal Hex/SDS Shank Integration |
Challenge: "The hole saw gets too hot and the teeth go dull quickly."
Solution: We offer an M42 Grade with 8% Cobalt. Cobalt significantly increases "red-hardness," allowing the hole saw to maintain its edge even when cutting through tough materials like 304 stainless steel at high speeds.
Challenge: "The tool vibrates too much, causing an uneven hole."
Solution: Our Variable Pitch Teeth (4/6 TPI) design breaks the harmonic frequency during drilling. This stabilizes the cut, reduces operator fatigue, and produces a cleaner, more accurate hole diameter.
Challenge: "Cores get stuck inside the saw and are hard to remove."
Solution: Every hole saw features wide side slots (Ejection Slots). These allow for easier chip removal and provide a convenient leverage point to pop out the wood or metal core after the cut is complete.
Electrical & Plumbing: Cutting holes in junction boxes, drywall, and plastic pipes.
Metalworking: Drilling through stainless steel sheets, aluminum panels, and mild steel tubes.
Carpentry: Creating clean entries for cables in desks, or holes for door locks in hardwood.
HVAC Installation: Large diameter cuts for ventilation ducting and copper pipe routing.
Q: Can I use this hole saw on Stainless Steel?
A: Yes, but we strongly recommend our M42 (Cobalt) version for stainless steel. Always use a low RPM and plenty of cutting oil to prevent the material from work-hardening.
Q: Why is my hole saw wobbling during the cut?
A: This is usually due to an improperly tightened arbor or a dull pilot drill bit. Ensure the pins on the arbor are fully engaged into the holes on the base of the saw.
Q: Does the set come with arbors?
A: We offer both individual saws and complete kits. Kits usually include the most popular sizes (19mm - 76mm) along with 2-3 standard arbors and a pilot drill.
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