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⚡️ Grind smarter, last longer — the ultimate burr for pros who demand precision.
The SD-3 Tungsten Carbide Burr Rotary File features a double-cut ball shape with a 1/4'' shank and 3/8'' cutter diameter, crafted from heat-treated YG7X tungsten carbide for 8x longer durability than HSS tools. Ideal for high-precision metalworking, jewelry making, and wood carving, it fits standard die grinders and comes safely packaged in a transparent tube.






| Customer Reviews | 4.5 out of 5 stars 38 Reviews |
A**N
Excellent quality
Works great for grinding metal. Found that they work better with lower rpm die grinder.
W**P
Nice sharp bit
Nice sharp cutting head. Quickly shipped.
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