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Mars-Rock 10 PCS Tungsten Carbide Burr, Made in China.
Package Includes: 10 PCS 3mm shank carbide burr set, 1 twenty-slots plastic clamshell box (10 empty for more storage) like old cassette tape holder, 1 ten-slots beech base, 1 paper box and 1 manual.
Head Shapes: End-Cut Cylindrical, Ball-Nosed Cylindrical, Ball, Oval, Ball-Nosed Tree, Tree, Flame, Cone, Inverted Cone. Head Dia.: 6mm. Head L.: 5 to 12mm. Head Spiral Flutes Qty.: 14. Head Material: Tungsten Carbide. Head Hardness: HRA90. Shank Dia.: 3mm. Shank L.: 38mm. Shank Material: 40Cr. Overall L.: 43 to 50mm.
Cut Style: Double Cut, Max Rotation Speed: 70000 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: 3mm or 1/8"(3.175mm) 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.
Hodel
Reviewed in Canada on February 25, 2025
Have not used them yet orderd the 1/8" for my milwaukee dremel fit good and comes in a nice organizer sleeve
Ron
Reviewed in Canada on February 2, 2025
should have spent my money on another product
JeffG
Reviewed in the United States on February 19, 2025
They do the job, and you can't beat the price
Mark Bowers
Reviewed in the United States on February 11, 2025
Needed this to complete a job, and I honestly wasn't expecting these to last past the end of the day. Pleasantly surprised at the quality and durability. The price was great and the assortment was perfect. Looks like they will be used for future metal working projects. These are a great addition to my tool box and would be for you as well.
Kim Knight
Reviewed in Canada on January 17, 2025
perfect
Mark Ruhm
Reviewed in the United States on January 11, 2025
Good to use on most surfaces. Pretty durable and comes with a nice case and stand.
Robert
Reviewed in the United States on September 15, 2024
Service was great, actually got the order a day early. I used burs like this during my career as a dentist. I wish I had saved one to smooth out a repair made with super glue and baking soda. Even though these are crosscut burs they gave a pretty smooth surface.
Mac
Reviewed in the United States on August 8, 2024
Needed to lengthen a bolt slot and grind down some welds on an exhaust for my Royal Enfield motorcycle, and these zipped through it without a complaint. The burr I used looked as good as new when I was done too. Into my toolbox they go for the next random thing I need them for lol.
Scotty C
Reviewed in the United States on July 18, 2024
I have used this on mango wood and it did a fantastic job. It fit the dremel and did a great job. Doesn't seem to clog up the burr tip. Good price too.
Tim Shanahan
Reviewed in the United States on October 6, 2024
The assortment of bits work well to remove burs from drilled holes in metal. Performance and quality appear to be excellent so far and I can say theyโre a great value for the price.
Tony Potts
Reviewed in the United States on October 4, 2024
These are'nt cobalt burs but they definitely get the job done. Excellent for the price. Decent lil kit.
Customer
Reviewed in Canada on October 21, 2024
Although light and the case was broken when they arrived, the burrs are very good for the light work I need them for. A product well worth it when doing fine, intricate grinding. Recommend.
Terence Cleary
Reviewed in Canada on October 2, 2024
Excellent product, using every day in my metal art shop and so far they seem to be staying sharp." Do not apply too much pressure, Let the speed do the work....." that's from the user guide and it's worth keeping in mind.Will buy again from this seller when needed.
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