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HSS Annular Cutters


Konetool supplies annular cutters in both imperial and metric sizes. HSS annular cutters range from 12mm to 65mm in metric diameter, with the depth of cut 8mm, 25mm, 35mm, 50mm, 75mm, and 100mm; from 7/16 inch to 2-3/8 inch in imperial diameter, with the depth of cut 1 inches, 2 inches, 3 inches, and 4 inches.

For the special needs of our customers, we offer customization service for mini cutters with a minimum diameter of 8mm, as well as large cutters with diameters of  66mm to 130mm and a maximum D.O.C. of 150mm.

Material: M35 HSS

Shank Type: Weldon Shank, Universal Shank(Nitto Shank), Fein Shank, Threaded Shank, Parallel Shank

Request for quotation for more detailed information (MOQ, price, delivery, etc).

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HSS annular cutters, designed to drill various materials like stainless steel, copper, plastic, mild steel, and cast iron, serve in different industries, such as mining, engineering, construction, gas, and oil. Konetool offers both high-speed steel annular bit and TCT annular cutter. we build HSS annular drill bits with M35 cobalt alloyed high-speed steel which allows our annular bits cut faster and longer than standard M2 HSS cutters. Compared with M2 HSS, M35 is added with extra 5% cobalt, resulting in better hot hardness. This type of material combines both toughness and hardness, allowing for better cutting ability, high red hardness, and high wear resistance.

Though carbide is harder than HSS, the HSS core drill bit also has its advantages. Compared with high-speed steel, carbide is much harder but innately brittle, so it can break easily when under re-grinding. Re-sharpening a carbide annular cutter can be time-consuming, while it is much easier to re-sharpen HSS annular drill bits. Apart from this, the HSS mag drill bit is made of a solid block of steel, while TCT annular cutters are brazed with carbide teeth which may shatter more easily.

Generally, Konetool supplies annular cutters of Weldon shank and Universal( Nitto) shank. We also offer customization service for annular cutter bits of other shanks like Fein quick-IN shank, threaded shank, and Parallel shank. Therefore our mag drill bits are suitable for a wide range of magnetic drilling machines like Rotabroach, Hougen, Nitto, Fein, Jancy, JEI, Unibor, Ruko, G&J Hall, Magtron, Evolution, Euroboor, BDS, Alfratool(Rix), etc. Konetool HSS slugger bit leaves clean holes on both plates and pipes, widely used in general-purpose applications like on-site repair and truck frame rail processing. Our broach bits are designed to fit portable magnetic drills. If using an industrial arbor, it can also fit drill presses, hand-held drills, CNC machines, lathe, and milling machines.

KONETOOL HSS Annular Cutter Features:

  • Re-sharpening is available.
  • Unique teeth geometry for exact sizing and optimized chip clearance.
  • Extended service life and increased cutting speed.
  • Remarkable red hardness and better finish.
  • Excellent abrasion and heat resistance.
  • Cutters are available both in millimeters and inches
  • Various shank styles are available.
  • Competitive price.
  • Customization is available.

What we offer:

HSS annular cutters, TCT annular cuttersAnnular cutter sets, Pilot pinsArbors


Mag drills, Drill presses, Hand-held drills, Milling machines, CNC machines

Cutting material:

Stainless steel, Copper, Plastic, Structure steel, Cast iron

Konetool HSS slugger bits are sold individually as well as in sets( please refer to our annular cutter set page). The multi-cut geometry of our broach drill bit reduces friction and optimum chip removal. We have been developing our products and service for more than 20 years, offering mag drill annular cutters for every application of our customers. Request for quotation for more detailed information (MOQ, price, delivery, etc).


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