Double cut produces a finer finish than single cut and reduces the size of the chips., 1/4 inch (6., 35mm) shank compatible with DeWALT, Ingersoll Rand, Milwaukee, Makita die grinder, electric or air rotary tools. 2Pcs Tungsten Carbide Burr, Packaging: 1 clear plastic tube., Head Dia., : 1/2inch, Head Length: 1., 0inch, Brazed Joint, Shank Dia., : 1/4”(6., 35mm), Shank Material: 40Cr, Total Length: 2., 75inch. Materials Applications: Hard Wood, Balsa, Wax, Soapstone, Slate, Marble, Granite, Concrete, Steel, Hardened Steel, Weld-Seam, Stainless Steel, Brass, Copper, Bronze, Aluminum, Cast Iron, Cobalt, Nickel, Titanium, Zinc, Earthenware, Terracotta, Porcelain, Fiberglass, Plastic, Rubber, Fiber-Reinforced Plastics and so on. Average Drive Tool: Drill, Drill Press. Very clean cut with minimal effort. Head Hardness: HRA90, Cut Type: Double Cut, Coating: Bright (Uncoated). Tungsten Carbide Burr Set at ₹ 80/piece | Carbide Rotary Burr in than the holes’ dia. Pass the rotary tool rapidly over the workpiece in the direction of rotation to achieve fine finishes or to achieve very smooth chamfers. My Christmas present will be a 1/4" electric die grinder and I need a quality set of burrs. I don't have Champion set money ($300 Explore Benchmark Abrasives' Double Cut - 1/4 Shaft Carbide Burrs, designed for efficient material removal and precision shaping. Shop premium tools now Great for lots of materials removal. Tungsten Carbide Rotary Tool Sworker 2Pcs 1/4 Carbide Burr Set 1/4" Shank Head Dia 1/2" Dome-End Metal Grinding Deburring Tools 2 Pcs tungsten carbide burr set 1/4 shank, head dia 1/2, end-cut cylinder head, 2 plastic telescopic tubes, 1 outer plastic box with hanger and 2 manuals. Comfortable, ease of control, working with reduced vibrations and less noise. Drive Type: Air or Electric., Optimal Fix Type: 1/4”(6., 35mm) Collect and Nut Set. and swing-move the burr to enlongate holes, otherwise the burrs will chatter in narrow holes caused by not grabbing tool