
The Great White Lab Series Carbide Bur (EF Series, GW139-023EF-4) is a laboratory handpiece bur with a tungsten carbide head and stainless steel shank, featuring a round-end taper cross-cut profile (ISO shape 289) and a red/red color band. Its 2,800 Vickers cutting surface delivers up to 10x increased durability and abrasion resistance, reducing surface heat and vibration for a cooler, more consistent finish. It 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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The Great White Lab Series Carbide Bur (EF Series, GW139-023EF-4) is a laboratory handpiece bur with a tungsten carbide head and stainless steel shank, featuring a round-end taper cross-cut profile (ISO shape 289) and a red/red color band. Its 2,800 Vickers cutting surface delivers up to 10x increased durability and abrasion resistance, reducing surface heat and vibration for a cooler, more consistent finish. It 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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