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Sworker 2PCS Tungsten Carbide Burrs Set.
Designed in Germany, Manufactured by Germany and USA-made 6-Axis CNC, Made in China. Package Includes: 2 Pcs 1/4" shank ball-nosed cylindrical tungsten carbide burrs, 2 square telescopic plastic packaging tubes and 2 manuals.
Head Shapes: Ball-Nosed-Cylinder. Head Dia.: 1/2". Head L.: 1". Head Spiral Flutes Qty.: 24. Head Material: Tungsten Carbide. Head Hardness: HRA90. Shank Dia.: 1/4”(6.35mm). Shank L.: 45mm. Shank Material: 40Cr. Overall L.: 70mm.
Cut Style: Double Cut, Max Rotation Speed: 60000 RPM, Direction of Rotation: Right Hand/Clockwise, Feed Direction: Generally counter-rotationally or with a swinging motion. direction of rotation to get fine finish. Optimal Drive Tool: Straight, Angle Die Grinder, Robot. Average Drive Tool: Drill, Drill Press. Drive Type: Air or Electric Rotary Tool. Optimal Fix Type: 1/4”(6.35mm) Collect and Nut, Average Fix Type: 3-jaws Chuck.
Materials Applications: Hard Wood, Balsa, Wax, Soapstone, Slate, Marble, Granite, Concrete, Steel, Hardened Steel, Weld-Seam, Stainless Steel, Brass, Copper, Bronze, Aluminum, Cast-Iron, Cast-Steel, Cobalt, Nickel, Titanium, Zinc, Earthenware, Terracotta, Porcelain, Fiberglass, Plastic, Rubber, Fiber-Reinforced Plastics and so on. Burrs Applications: Carving, Engraving, Sculpting, Deburring, Contouring, Chamfering, Milling, Cleaning, Porting, Cutting, Grinding, Polishing, Elongating, Tooling, etc.
Manual: 1, Always wear ear, eye, face protection and protective safety gloves. 2, Generally, for rough work, move the burrs across the workpiece counter-rotationally. 3, Pass the tool over the workpiece in the direction of rotation to achieve fine finishes. 4, Min Clamping depth is 2/3 of the shank, if you have to clamp less, pls low speed. 5, If rough running, strong vibrations and increased flying sparks, pls use a new one. 6, Do not apply too much pressure, Let the speed do the work. Smaller burrs require faster speeds. 7, Soft materials, such as aluminum, use a grinding oil to reduce debris clogging. Grind glass, use water as lubricant. 8, Elongate holes, grip tool firmly with two hands and use a swinging motion, which prevents chatter, result in a safer cut. 9, Avoid impact loads, otherwise parts teeth will break off, shank will bend. Do not sink the burr for more than 1/3 of its periphery. 10, Recommendation for drives: shank 1/8" (75 to 300W), shank 1/4" (from 300W), for coarse cuts, 500W+ advantageous.
FD
Reviewed in the United States on March 17, 2025
Nice, sharp quality burrs and at a very reasonable cost.
Rufalo
Reviewed in the United States on March 16, 2025
For less than $20 you get two Burring Bits. They cut well and are a great value at $8 each. These strong bits are durable. work well, and come in the rights size. You can trim a variety of materials from wood to metals. I recommend these burring bits all your project needs.
Native Idahoan
Reviewed in the United States on March 16, 2025
Sharp and useful cutting bit.Nice carrying case for storage.Functions as needed with no issues.Wish the carrying case had a few more bits... seems like a waste shipping with 6-8 bit case with only two inside.
Michael Fitz
Reviewed in the United States on March 15, 2025
I use them for tasks they are under rated for and they still rip the edges off, if I used the rated materials I am sure these would do an excellent job. 4 star not against them, only because I can't go full bore (my issue not the product) into the metal I am finishing.
Wasper
Reviewed in the United States on March 14, 2025
This review is for the 2 Pcs Head D.1/2" Carbide Burr Set 1/4 Shank Die Grinder Bits Compatible with Milwaukee Dewalt Electric or Air Rotary Tools Attachment Rasp Drill Accessories Metal Wood Stone Grind Dome-End Cylinder2 pcs head d. 1/2" tungsten carbide burr set 1/4 shank die grinder bits dome-end cylinder 2 plastic telescopic tubes, 1 outer plastic box and 2 manuals.Very sharp, aggressive, tough, well-balanced and durable, perfect for tight spaces than grinding discs grind wheel. Double cut produces a finer finish than single cut and reduces the size of the chips.Versatile: carving, chamfering, cleaning, contouring, cutting, deburring, elongating, engraving, grinding, metalworking, milling, MRO, polishing, portingI ordered this carbide deburring tool for work on porting and polishing chainsaw cylinders. I like to get the most out of my 2-strokes. Feek heavy in your hand, a nice set of cutters!I definitely recommend the Sworker Carbide Burr Set from Amazon....
CR
Reviewed in the United States on March 14, 2025
There is a significant difference been the very best carbide burrs and those that occupy this price point. However, for softer materials it is hard to argue that these are not a good value. They are reasonably well ground and the brazing seems adequate. I would never suggest that they are ready to tackle hardened steel, but they are adequate for other purposes. More importantly, they are cheap enough that they can be tossed at the first sign that they are failing. I will use them to extend the life of my better quality tools. Fwiw, compared to other burrs at this price point, I would say that they are done if they better I have seen. Just don't expect a ton of durability or sharpness.
Sarah T.
Reviewed in the United States on March 14, 2025
Love it and it cuts really well. Removes mild steel rapidly. Best used in a die grinder but will work in a cordless drill but that is not ideal. Wear safety googles as the metal shavings go everywhere and are hot and sharp.
My Dog's Nose
Reviewed in the United States on March 13, 2025
Watch your RPMs on these. I burned most of the 1st one up pretty fast by grinding on some hardened material at entirely too high a speed. I slowed the RPMs down with the 2nd burr, and that made all the difference in the world. These are very sharp, very aggressive cutting edges. Use them properly, and they seem to be good quality. Screw up like I did, and you'll ruin it.
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