100% brand new &amp; high quality<br>Color：As the picture shows<br>Size:Drill Burs 2.35mm （Model Random）<br>Fit for MARATHON, SHIYANG Dental Handpiece :US standard 3/32 inch, 2.38mm<br>Specification: 2.35mmX6.0mm (ShankXBlade)<br>Working part: diameter=6mm,made of YG8(ISO k20-k30)Tungsten Carbide with steel shanks, density 14.6-14.9 g/cm, power of bending resistant &gt;2000 N/mm3, Hardness &gt;89 HRA<br>Shank: Diameter=2.35mm, made of #45 steel, Oil for antirust<br>It is suitalbe to wear resistance parts, drawbench mould, construction drill. It is shock-proof and also suitable to cast the non-ferrous mental, alloy and process the nonmental material slowly and roughly.<br>Also can grind marble, jade and other non-metallic materials<br>Petiolate can basically replace the small wheel, there is no dust pollution<br>Grinding efficiency is increased to 10 times better than manual files and petiolate wheels<br>Processing is high quality and smoothness and can be all sorts of high-precision shape<br>Safe, reliable and convenient to use<br>Long life: over 200 times than the wheel<br>HRC processing hardness: 70<br>Material:High quality tungsten steel material<br>Package ：1*Dental Polisher Machine +10 *Drill Burs
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