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HSS Annular Cutter with weldon shank for Stainless Steel, Metal etc (SED-HAC)

An HSS annular cutter is a metal drilling tool that cuts only the outer edge of a hole, leaving the center as a solid core. This design removes less material than a twist drill, making it faster, more efficient, and smoother.

Made from high-speed steel (HSS) , it resists heat and wear, balancing performance and cost for light to medium industrial tasks. It fits most magnetic drilling machines and drill presses for workshop or on-site use.
Availability:
Quantity:
  • annular cutter

  • Jobber-length

  • High Speed Steel

  • Metal Drilling

  • Customized

  • DIN

Product Description

Key Features of HSS Annular Cutter

HSS annular cutters boast a range of features that make them superior to traditional drilling tools, optimized for efficiency, precision, and durability:
  • 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.


Technical Data of HSS Annular Cutter

Below is the standard technical specification for HSS annular cutters (varies by size and model; custom specifications are available for specific applications):
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)


Advantages

Faster drilling, energy-saving, cost-effective, versatile, easy to use (no specialized training).

Applications

Construction, metal fabrication, oil & gas, railway/shipbuilding, industrial maintenance, automotive.


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