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Mars-Rock 10 PCS Tungsten Carbide Burr Set.
Made in China. Package Includes: 10 PCS 1/4" shank carbide burr set, 1 ten-slots inner plastic clamshell box, 1 outer plastic buckle hook clamshell box, 1 ten-slots beech base and 1 manual.
Head Shapes: Ball, Cylinder, Ball-Nosed-Cylinder, Ball-Nosed-Cone, Ball-Nosed-Tree, Flame, Oval. Head Dia.: 6,8,10mm. Head L.: 7,16,18,20,25mm. Head Spiral Flutes Qty.: 15,18,20. Head Material: Tungsten Carbide. Head Hardness: HRA90. Shank Dia.: 1/4”(6.35mm). Shank L.: 45mm. Shank Material: 40Cr. Overall L.: 52 to 70 mm.
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.
Instructions: 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 1/4" (from 300W), for coarse cuts, 500W+ advantageous.
Jérôme
Reviewed in Canada on January 5, 2025
Le contenue semble de bonne qualité pas encore essayé.
Guy
Reviewed in Canada on September 23, 2024
Use it for and car manifold broken stud. Was able to cut through it.
A Customer
Reviewed in Canada on July 10, 2024
I've used these about a half a dozen times and they work fantastic. I'm very impressed with how quickly they cut through steel. I've used them to on 3/16 Plate without any problems.
Diesel
Reviewed in Canada on June 23, 2024
Amazing
Dee
Reviewed in the United States on December 14, 2024
I used these to remove a broken tap. Yes it took a while to do this but was affective.
WillyG
Reviewed in the United States on November 3, 2024
I haven't used them yet, but almost ready to with upcoming project, will update.
William hodges
Reviewed in the United States on November 27, 2024
Cut speed and easy metal removal
Eric Mosler
Reviewed in the United States on November 26, 2024
I needed this product to scrape away some rust off of an old metal object. This burr set works wonders!
P. Levari
Reviewed in the United States on October 23, 2024
These rock. ...... I needed to enlarge 4 holes in hardened steel. I think I did damage some edges on the larger cylindrical bit but I got the job done and it was only 30 bucks for a set of 10. I just wish I had a bigger compressor and a maybe a better die grinder.
Richard A. Mandel
Reviewed in the United States on January 9, 2024
This is good bit set. They didn't fit my air tool perfectly, but I think that was an issue with the tool, not the bits. I've used them quite a bit and they've stayed sharp.
DZ
Reviewed in Canada on April 10, 2024
The bits themselves are great but they don't come in a nice case like pictured, they came in a flimsy cheap nylon plastic box... 5 stars for the bits, 1 star for the storage, since the bits are more important I only took 1 star off...
DAC
Reviewed in the United States on August 10, 2023
I needed to make a non-precision hole in some work-hardened stainless steel that an expensive drill bit was struggling with and the round burr cutter in this kit worked like a champ. Clearly this is not a high end set of tools but for the price and only occasional use it suits fine and I was impressed that it handled the hardened stainless without much messing around.The shanks are very robust. Be aware that the pointy ends have little cutting edge on the tip. I had hoped to more or less bore a hole with pointy end but lacking cutting ability on the tips I ended up using the round cutter to wear away the work-hardened surface enough so an inexpensive drill bit could finish the hole.
Marie Servil
Reviewed in the United States on February 19, 2023
The product itself is good, but the case break
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