YUFUTOL SB-5 Tungsten Carbide Burr Cylinder Shape Double Cut Rotary Burrs File(1/2''cutter Dia ， 1''Cutter Length) with 1/4'' (6.35mm) Shank dia Pattern Name:SB-5 What is a conical roller

What is a conical roller bearing

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YUFUTOL SB-5 Tungsten Carbide Burr Cylinder Shape Double Cut Rotary Burrs File(1/2''cutter Dia ， 1''Cutter Length) with 1/4'' (6.35mm) Shank dia Pattern Name:SB-5 What is a conical rollerYUFUTOL SB 5 Tungsten Carbide Burr Cylinder Shape Double Cut Rotary Burrs File(1 2''cutter Dia 1''Cutter Length) with 1 4'' (6. 35mm) Shank dia Product Features Shape Double Cut cylinder shape SB 5, Size: 45mm Shank length, 1 4''shank diameter, 1 2" cutter diameter, 1" length of cut Durable Made of heat treated tungsten carbide YG8that lasts 10 times working life than HSS , suitable for machining variouskinds of metal material including HRC65 hardened