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annular cutter
Jobber-length
High Speed Steel
Metal Drilling
Customized
DIN
Product Description
Premium HSS Construction: Made from high-quality high-speed steel (often HSS M2 or M35 with cobalt for enhanced performance), ensuring exceptional hardness (up to 64 HRC), heat resistance (max 600°C), and wear resistance—extending tool life and reducing replacement costs.
Annular Cutting Design: Cuts only the outer ring of the hole, leaving a solid slug that is easily ejected, reducing material waste and cutting time by 3 to 4 times compared to twist drills.
Optimized Tooth Geometry: Unique continuous pre-cut teeth design with inner ground cutting edges ensures fast feed rates, minimal vibration, and burr-free, smooth hole surfaces—no post-drilling finishing required.
Internal Lubrication System: Equipped with a pilot pin that delivers internal lubrication through a central hole, reducing friction, cooling the cutter, and enabling efficient deep-hole drilling.
Resharpenable Design: Can be resharpened multiple times without losing performance, extending service life and making it a cost-effective long-term solution.
Stable & Precise: Stage hardening combines maximum hardness at the teeth with superior strength at the cutter body, minimizing breakage; precise pilot pin fitment ensures perfect centering, preventing slipping and ensuring tight tolerances.
Versatile Compatibility: Available with 3/4” straight shank or Weldon shank, compatible with most magnetic drilling machines, drill presses, and portable drills—suitable for both stationary and on-site use.
Parameter | Standard Specification | Range (Customizable) |
|---|---|---|
Material | High-Speed Steel (HSS M2 / M35 with 5% Cobalt) | HSS M2, M35, M42 |
Rockwell Hardness (HRC) | 62-64 HRC | 60-65 HRC |
Max Operating Temperature | 600°C | 550-650°C |
Bore Diameter | 12mm - 50mm | 6mm - 100mm |
Cutting Depth | 25mm - 50mm | 15mm - 150mm |
Number of Cutting Edges | 6-8 | 4-12 |
Shank Type | 3/4” Straight Shank / Weldon Shank | Custom Shanks (per request) |
Inner Bore Diameter | 6.35mm (1/4”) | 5mm - 10mm |
Recommended RPM | 50-500 RPM | 30-1000 RPM (varies by diameter) |
Suitable Material | Mild Steel, Structural Steel (S235), Aluminum, Copper, Plastic | Stainless Steel, Alloy Steel (up to 850 N/mm²) |