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Sworker 1 PC Tungsten Carbide Burr.
Designed in Germany, Manufactured by Germany and USA-made 6-Axis CNC, Made in China. Package Includes: 1 piece 1/4" shank cylindrical tungsten carbide burr, 1 square telescopic plastic packaging tube and 1 manual.
Head Shapes: 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.
MonCho
Reviewed in the United States on February 25, 2025
I picked this up to help clean up edges on 3D print, wood, and metal projects. I’ve used it with wood and 3D prints, but haven’t tried it on metal yet. The bit is nice and appears well made. I chucked it into my drill and it gets the job done as expected. It also comes in a nice little plastic case that took me a second to figure out how to open. In general it’s a little hard to control with a drill, so I may pick one up made to work with a Dremel for a bit more control. All in all the bit works as designed and is a nice addition to my tool collection.
carp
Reviewed in the United States on February 22, 2025
Functions really well as a grinder for wood. It is extremely sharp and durable. I’ve used it to carve wood and shape metal with my M12 die grinder. Fits perfectly in any standard die grinder collet and the value is great considering this brand makes amazing dies.
J
Reviewed in the United States on January 7, 2025
I used this tool to remove the seam inside some steel tubing so it could be used as a sleeve for solid round bar. The burr removed the inner seam easily with no fuss.
occasional_purchaser
Reviewed in the United States on September 23, 2024
This burr worked well for me on opening up a hole in stainless steel bar stock, but its construction may make it vulnerable to failure under some circumstances.Burrs are either made of solid carbide, or they are made of a carbide shell brazed onto a shaft. See the photo I've included. It's clear the shaft is not made of the same material as the carbide shell of this burr, the shell is thin, and the brazing extends beyond the shell and got sliced with the burr pattern during manufacture. I can't tell how far down the brazing goes, but this burr can fail if the brazing fails, if the shell cracks, or if the shaft, which probably isn't made of carbide, gives.Make your decision based on price, how well you protect yourself with safety equipment, and whether you typically have spares on hand should something go wrong while the burr is spinning at high speed.
Telling it like it is.
Reviewed in the United States on September 19, 2024
The delivery took 4 weeks. Now it shows that an order would be delivered next day, so I won't reduce stars for that.I used a different tool for the task I was going to use this on so I don't have anything to base a test on.For any given job that necessitates grinding, several profiles can be useful.If you need to replace your straight cylindrical grinding burr, this will work for you.
John
Reviewed in the United States on November 25, 2024
I have ordered this 1/4" Inch shank grinder bit and tested it on a stainless steel metal let me tell you it did it's job flawlessly, grinded through the metal like knife through butter, sizes are as you can see in the pics that I have posted.If your thinking about using it on a brass, aluminum, stainless steel and even wood or plastic I recommend this good quality bit.I give this product 5 Stars.
Mack
Reviewed in the United States on November 10, 2024
Die grinder works great. I've used it on steel and ceramic tile and it performs well.
AR
Reviewed in the United States on October 25, 2024
I like this bit for deburring, filing, rasping, shaping, etc. This bit works with any material and appears to be made out of a strong carbide. I like the fact its useable with any rotary tool or drill. It’s a great value and easy to use.
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