Flatlanders Sculpture Supply Store › Flame Tungsten Carbide Burrs Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Flame Tungsten Carbide Burrs $15.95 Sintered Tungsten Carbide burrs feature electronically bonded SSG carbide teeth. Coating: Select Coating Fine Coarse Size: Select Size 1/4" shaft 1/2" x 1" 1/8"shaft 1/4" x 1/2" Quantity: Add To Cart Added! Sintered Tungsten Carbide burrs feature electronically bonded SSG carbide teeth.