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4 pcs 30mm Stone Rotary Grinding Bits with 1/4 Inch Shank, Aluminum Oxide Mounted Grinding Point for Grinding, Polishing，Deburring Ferrous Metals（4pcs 6x30 Cone Head）

4.6 (4) Write Review
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$9.49

$ 4 .99 $4.99

In Stock

About this item

  • High-Quality Materials: polishing bit Made of 80 grit aluminum oxide, excellent polishing effect and extremely durable.
  • These polishing bits have 1/4” shank, for high speed drills and easy bit changes.
  • Especially useful where larger wheels will not fit or where small abrasive wheels wear out too quickly.
  • Scope of application: Stone Grinding bit for drill Suitable for metal, automobile, aircraft, jade, hardware, stainless steel, aluminum products, wood, plastic, ceramics, etc. Perfect for grinding, polishing or deburring ferrous metals.
  • If you are not satisfied with the stone polishing bit, please feel free to contact us and we will help you out at the first time.


Product Name : Stone Rotary Grinding Bits
Product Size:
Handle Diameter: 1/4inch
Head Diameter: 30mm/1.2inch
Material: 80 grit aluminum oxide
Package Includes:4 pieces of Stone Rotary Grinding Bits


Kindle Customer
2025-07-25 13:24:28
I have not tried these as grinding stones. Instead I bought them for carving and sculpting pink insulating foam. I used them with a foredom flex shaft tool and they worked very well for this purpose.Some of them have minor irregularities/chips missing which don't seem to really affect their use.
doug strong
2025-04-25 12:10:16
These stone wheels were very untrue. The stone was larger on one side and thinner on the other, imbalanced and unsymmetrical so much that they could not be used. I was able to dress one of them down to a semblance of truth but the stone is quite a bit smaller now.
KBuzz
2025-04-03 20:33:00
Does its designed purpose .
manuel herrera
2024-12-02 12:11:45
Aaa exelente