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Accusize Industrial Tools 2387-0003INS MGMN200 Carbide Inserts for Cutting Steel
Accusize 2387-0003INS MGMN200 Carbide Inserts for Cutting Steel
Details:
- Insert Code: MGMN200
- Insert No: 2403-4022
- Coating: TiN
- Thickness: 0.079"
- Radius: 0.008"
- Machining Materials: Steel
- Holder Size: 3/8'' x 3/8"
- Tool Holder: MGEHR06-2J
DM
Reviewed in the United States on September 12, 2021
It has been hard finding a parting tool that could cut mild steel on a micro lathe, (
DM
Reviewed in the United States on September 12, 2021
It has been hard finding a parting tool that could cut mild steel on a micro lathe, (
buddha-dog
Reviewed in the United States on December 23, 2020
This size fits well in the standard quick-change tool-holders for my 7x14 mini-lathe. The shaft is proud of the holder by .050" (1.27mm), which is close enough to 1/16" (.0625") that you might choose the 1/4" version here https://www.amazon.com/Accusize-Industrial-Tools-Mgehr04-2-2387-0001ins/dp/B083QQ17WQ/ instead. That might perform marginally better in some setups because the cutting edge is directly supported (probably very hard to notice a difference though, I expect).The tool has excellent fit and finish and the clamping screw is a nice tight fit on my 3mm allen key. This is the same size as the set-screws that clamp the tool in the holder, so that makes things convenient. Changing or flipping inserts is straightforward and easy.See the excellent review by Laura on the 1/4" x 3/8" version as well, especially the detail about the "starter" inserts that come with it.Because the cutting edge extends about 1-1/16" out from the holder, even when fully inserted, the maximum diameter you can address with the compound at the 90° position (my usual setting) is about 1". To get more, you'll need to rotate the compound counter-clockwise from that 90° position or otherwise compensate with compound angle and position.In the end, I'm not sure a cutter like this makes a lot of sense for a mini-lathe, which I think is the same conclusion Laura came to in her review. The available horsepower just doesn't match up with what it takes to drive this through tough materials, which is why you would choose carbide to begin with. I suppose if you couldn't manage to sharpen a HSS parting tool reliably, this would be a way to get started, but the edge radius on (especially coated) carbide inserts is going to be working against you. I'm sure I'll find a use for it, but I'm thinking it's going to be hard to find situations where this will beat a freshly touched-up HSS parting blade that both has a much keener edge and is significantly narrower.
buddha-dog
Reviewed in the United States on December 23, 2020
This size fits well in the standard quick-change tool-holders for my 7x14 mini-lathe. The shaft is proud of the holder by .050" (1.27mm), which is close enough to 1/16" (.0625") that you might choose the 1/4" version here https://www.amazon.com/Accusize-Industrial-Tools-Mgehr04-2-2387-0001ins/dp/B083QQ17WQ/ instead. That might perform marginally better in some setups because the cutting edge is directly supported (probably very hard to notice a difference though, I expect).The tool has excellent fit and finish and the clamping screw is a nice tight fit on my 3mm allen key. This is the same size as the set-screws that clamp the tool in the holder, so that makes things convenient. Changing or flipping inserts is straightforward and easy.See the excellent review by Laura on the 1/4" x 3/8" version as well, especially the detail about the "starter" inserts that come with it.Because the cutting edge extends about 1-1/16" out from the holder, even when fully inserted, the maximum diameter you can address with the compound at the 90° position (my usual setting) is about 1". To get more, you'll need to rotate the compound counter-clockwise from that 90° position or otherwise compensate with compound angle and position.In the end, I'm not sure a cutter like this makes a lot of sense for a mini-lathe, which I think is the same conclusion Laura came to in her review. The available horsepower just doesn't match up with what it takes to drive this through tough materials, which is why you would choose carbide to begin with. I suppose if you couldn't manage to sharpen a HSS parting tool reliably, this would be a way to get started, but the edge radius on (especially coated) carbide inserts is going to be working against you. I'm sure I'll find a use for it, but I'm thinking it's going to be hard to find situations where this will beat a freshly touched-up HSS parting blade that both has a much keener edge and is significantly narrower.
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