NIQUA BURS have a standard shank diameter of 2.32mm, which fit Jewellery Industry standard handpieces.These burs are supplied by Maillefer from Switzerland.
differnt types of Niqua Burs listed below :
Round Burs
its useful for de-burring or enlarging holes, carving recesses for sweat soldering, and refining stone settings. Because of their shape they can be used at any angle.
Cone Burs
Cone Square Cross Cut Burs also called Fissure Burs are used like a rotary file to remove material. These cone burs are tapered to the tip and have cross cutting flutes.
Burs are useful for cutting, grinding and cleaning precious metal smoothly with no chatter or drag.
These Cone Shape burs are used for enlarging and deburring and cleaning hole diameters, crevices and in small and narrow areas.
Cup Burs
Cup Bur also known as concave cutter burs are used to smooth off and round prong ends can also be used for rounding off wire ends and rivet heads.The cutting flutes inside the concave cutter aggressively remove material for fast shaping.
this tend to get clogged up with chips during their use, it is recommended to give them light taps during usage in order to clean and maintain the cutting efficiency.
Drill Burs
Made from tough, hardened tungsten vanadium, this Maillefer drill is precision ground and tempered for durability and long life.
Hart Burs
it is use by Jewelers for Stone Setting.
The shape of this rotary bur is ideal for cutting perfect seats in prongs or rings and for channel settings, in channel set jewelry.
Wheel Burs
Wheel Burs with cutting edges along the outside and sometimes on the top surface as well. They are often used to remove material from stone bezels that are too thick.urs are economically priced.
They cut precisely when new, but don’t retain their sharpness as long as other steel alloys. They’re used at low speeds.