The ring mill (hollow core bit) of HSS, 100 mm long and 38 mm in diameter.
HSS cutters made of high-speed steel. HSS annular cutters have a unique geometry, capable of cutting accuracy at high speed, less vibration, have a long service life of the tool. They are better and faster than ordinary twist drills. HSS annular cutters can be used in all types of drilling machines on a magnetic base. They are used for drilling holes in tubes or sheets of structural steel, non-ferrous metals or plastics, as well as in stainless steel (but using certain modes of operation). ø 18-60 mm-19.05 mm Weldon shank ø 61-100 mm-31.75 mm Weldon shank usefulness of annular cutters: twist drill bit vysverlivaet all material and annular cutter only cuts Office example: how much of the material being an ordinary drill on comparison with annular cutter? at ø 14 mm for 24% more at ø 22 mm at 42% more with ø 30 mm at 80% more at ø 50 mm to 177% more with ø 100 mm by 650% more
Information is up-to-date: 13.06.2019
Unbelievable price on The ring mill (hollow core bit) of HSS, 100 mm long and 38 mm in diameter. in Chelyabinsk (Russia) company VikMet, OOO.