The Great White Lab Series Carbide Bur (EF Series, ISO 144) is a cross-cut laboratory bur manufactured with a tungsten carbide head and stainless steel shank. Its extremely hard 2,800 Vickers cutting surface delivers up to 10X increased durability and longevity, while abrasion resistance reduces surface heat and vibration for a cooler, more consistent finish. The EF Series is designed for trimming chrome cobalt, hard acrylic, metal alloy, composite, and plaster/stone, with a maximum recommended speed of 40,000 RPM.
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Sorted by lowest price · Add now, sign in at checkout




The Great White Lab Series Carbide Bur (EF Series, ISO 144) is a cross-cut laboratory bur manufactured with a tungsten carbide head and stainless steel shank. Its extremely hard 2,800 Vickers cutting surface delivers up to 10X increased durability and longevity, while abrasion resistance reduces surface heat and vibration for a cooler, more consistent finish. The EF Series is designed for trimming chrome cobalt, hard acrylic, metal alloy, composite, and plaster/stone, with a maximum recommended speed of 40,000 RPM.
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