Amazon.com: SL-3 Tungsten Carbide Burr Rotary File
Shape:Double cut Taper Shape with Radius End, SL-3, Size: 2 47/50' Total length, 1/4' shank diameter, 3/8' cutter diameter, 1 1/16' length of cut Long Life: Made of heat-treated Solid tungsten carbide YG8 that lasts 8 times working life Durability than HSS tool,Suitable for machining various kinds of metal material including ≤HRC65 ...
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