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| Brand Name: | XRTOOLS |
| Model Number: | 65mm |
| MOQ: | 500PCS |
| Price: | $0.8-12.8/PCS |
| Delivery Time: | 25-30 days |
| Payment Terms: | L/C, D/P, T/T, Western Union |
The Problem: In field operations, such as HVAC installation or electrical MRO, holes are often bored using handheld high-torque drills. In these conditions, maintaining perfect perpendicularity is nearly impossible. Ultra-hard tool steels (like M42) are often too brittle; a slight tilt during a 65mm cut causes the teeth to snap or the cup to shatter.
The Result: Expensive downtime, safety risks from flying metal shards, and jagged, ruined workpieces that fail to meet commercial inspection standards.
Brittleness: High-heat alloys are designed for stable, CNC environments. When subjected to the "human factor" of handheld vibration, they lack the necessary flex.
Torsional Stress: At 65mm, the perimeter torque is massive. If the tool cannot "give" slightly when hitting a hard spot in the metal, the energy is released through structural cracking.
4341 Impact Toughness: Our 65mm Master Series is forged from HSS 4341 (W4Mo3Cr4V). This grade is specifically engineered with a high molybdenum-to-tungsten ratio that favors "ductility." It maintains a sharp 62-63 HRC edge while providing the elastic threshold needed to survive the bumps and tilts of manual operation.
Integrated Anti-Wobble Hub: By utilizing a one-piece ground construction, we eliminate the mechanical "play" found in arbor-and-saw assemblies. This ensures the 65mm circumference rotates on a true axis, reducing the lateral impact on the teeth and ensuring a smooth, predictable cut.
Self-Centering Dynamics: The 135° split-point pilot drill ensures the saw bites the center instantly. This provides a stable "anchor" for the 65mm perimeter, preventing the "skating" that causes surface damage and uneven tooth wear.
| Technical Pillar | Specification Detail | Industrial Benefit |
| Material Grade | HSS 4341 (W4Mo3Cr4V) | Toughness: Superior resistance to tooth chipping. |
| Boring Accuracy | TIR (Runout) ≤ 0.15mm | Stability: Exact 65mm sizing for 2.5" conduits. |
| Structure | Fully Ground One-Piece | Concentricity: Eliminates arbor-related wobble. |
| Surface Treatment | Bright Polished Finish | Friction Reduction: Smoother exit in non-ferrous metal. |
| Safety Feature | Reinforced Stopper Flange | Protection: Prevents over-penetration into panels. |
| Slug Recovery | High-Elasticity Center Spring | Speed: Automatic ejection of large 65mm cores. |
Commercial HVAC Systems: The precision size for installing 2.5-inch secondary ventilation lines and large-bore sensors in galvanized ductwork.
Electrical Infrastructure: Ideal for boring large entries for M63 cable glands and secondary busbar transitions in mild steel distribution boards.
General Mechanical Maintenance: Reliable, cost-effective boring in aluminum extrusions, brass plates, and mild steel profiles (up to 4mm) where job-site durability is the priority.
Material Versatility: Optimized for Mild Steel (≤ 4mm), Aluminum, Copper, Brass, and high-impact Plastics. (For heavy 304 Stainless Steel, we recommend our M2 or M35 series).
Speed Management: For 65mm in mild steel, maintain 110 - 140 RPM. For aluminum or plastics, the tool is stable up to 250 RPM.
Torque Safety: Due to the 65mm diameter, always use a drill with a side auxiliary handle. The 4341 teeth are designed to bite aggressively; the handle ensures you maintain control during the breakthrough phase.
Q: Why is 4341 the "safer" choice for my field technicians?
A: 4341 is less brittle than M2 or Cobalt grades. If a technician accidentally tilts the drill at a 65mm diameter, a 4341 saw is much more likely to "stall" or slightly bend rather than shatter into dangerous fragments.
Q: Does this 65mm saw require a pilot hole?
A: No. The integrated 135° split-point center drill acts as its own pilot, ensuring instant positioning and preventing "walking" on polished metal surfaces.
Q: Is the ejection spring strong enough for a 65mm metal slug?
A: Absolutely. We use a high-tension compression spring calibrated for the weight of a 65mm core, ensuring it pops out immediately once the cut is finished.
Precision Grinding: Unlike milled saws, our 4341 series is fully ground from solid stock, ensuring perfectly symmetrical teeth and superior concentricity.
Vacuum Hardened Integrity: Every tool undergoes multi-stage vacuum heat treatment to reach a uniform 62-63 HRC, ensuring a reliable and consistent boring experience.
Industrial Compliance: Manufactured to meet international engineering standards for consistent, safe, and professional results in general industrial fabrication.
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