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PRODUCT DESCRIPTION
Materials: Made of premium Aluminum Oxide for grinding/sharpening.
Dimension:
- Cone shape: 16mm, 20mm, 25mm.
- Cylinder shape: 10mm, 16mm, 20mm.
- T shape: 25mm, 30mm.
Easy to use: 1/4'' Hex shank fits most rotary tool, hand drill, grinder, etc.
Application: Perfect for grinding, deburring ferrous metals or other hard surfaces.
Package Contents:
- 8 pieces 1/4'' hex shank grinding stones sharpening bits.
WARM PROMPT:
- Rotary grinding stone bits can be used wet or day !!!
- Recommended to use with water to prevent dust !!!
ROBERT CORUM
2025-08-26 21:18:17
These are the best bits I've found (better than the ones I'd been getting from Home Depot).
william f waring
2025-08-21 18:07:27
work well
Jeff
2025-08-15 15:44:12
Construction is sturdy and there are a nice variety of shapes.
Navy guy
2025-08-03 12:56:10
I do a lot of DIY as well as professionally with power tools. I purchased this hoping that it would allow me to do some light grinding in tight places. It just doesn't work well for me. I was trying to lightly grind a steel tube and I am unable to do much with this product. I tried 2 different stones to no avail. I guess if I were simply trying to slowly flatten down a corner or edge...it may work...bit for trying to flatten out scratches on a metal tube....that's a no go. I just threw them all out as I see zero purpose for me. ZERO PURPOSE
Kenneth
2025-07-17 21:10:58
I like it fitting my drill. Dremel, I don't know.
JOHN
2025-07-01 18:42:10
You grind away and nothing happens. These bits are worthless. They don't work.
jerry
2025-05-21 18:05:13
would buy from again
Joey
2025-03-29 14:52:57
I was excited to purchase these sanders but unfortunately, they do not lock into my Dewalt impact driver. They fall out very easily. When gravity isn't a factor, they work fine. But if I tilt downwards, they easily fall out. I wouldn't recommend this product.
moi
2025-02-04 19:56:38
RE: LUO KE 8 Pcs Cylinder Shape Rotary Grinding Stone - 1/4'' Hex Shank Abrasive Stone Mounted Grinding Point Aluminum Oxide Grinding Bits for Rotary Tools (Size: 20mm)Posted: 6/28/2024Use case: grinding brazed weldspros:good price and holds up wellCons:- 1/4 inch shank won't fit a 1/4-inch collet in a die grinder. You'll have to grind the shank to fit.- Stones were not aligned well on the shank which becomes immediately obvious at 2700 RPM on a die grinder.
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