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Accusize Industrial Tools 2387-0001INS MGMN200 Carbide Inserts for Cutting Steel
Accusize 2387-0001INS MGMN200 Carbide Inserts for Cutting Steel
Inserts:
- Insert Code: MGMN200
- Insert No: 2403-4022
- Coating: TiN
- Thickness: 0.079"
- Radius: 0.008"
- Machining Materials: Steel
Holder:
- Holder Size: 1/4'' x 3/8''
- Tool Holder: MGEHR04-2
- Overall Length: 3''
Brendan Schmitt
Reviewed in the United States on January 12, 2025
The holder is pretty rigid and you get what you expect for a toolholdwr of this size. But I've noticed the inserts are not very good, they are extremely brittle, I replaced them with my own higher quality inserts from a domestic supplier and it's great now
❄️🖤☄️ Joyous Mint ⭐♾️❤️
Reviewed in the United States on April 22, 2021
I saw this, and thought I could use a good cutting tool. So I picked it up. Didn't realize it was for a lathe. Which, I don't (yet) own a lathe. So my usage has been a little unorthodox. Basically, I have a hacked together overclocked rotary tool that I made (btw, do NOT try this at home, or work, or ever!) from an old drill motor and some other odds and ends I had laying around my shop. It will spin a Vast array of things thanks to some of the warranties and insurance policies I voided in making it, not just the normal bits that are made for rotary tools. Like this piece, for instance! No, it's not safe for use by basically anyone besides me, who knows the capabilities of my hacked homebrew rotary tool, and not even really safe then without a ton of ppe, and I'm still kinda afraid of it lmao =) But I can use this cutter in it! Which brings me to the point, that even with me not using the thing at all how anyone would say I could or should use it, it does nicely! Thing chews thru most every material I've put it up against, all the way up to helping me fix a broken tap from my tap and die set. That's cr-v steel and it carved right into it like I was using a steak knife on cold butter, I love it!Very useful tool, for this deranged engineed/mad prophetess, or for normal thinking people who own a lathe and plan on using this piece as it was meant to be used. And I've not broken it or any of the inserts yet, despite my flagrant abuse of the poor thing! Do recommend!
L&S
Reviewed in the United States on November 20, 2020
This cutoff/parting tool is acceptable in quality and about as stiff as it's diminutive size is capable of being. What you say small, yes it is small, the inserts are also small and it's maximum depth of cut is small likely 1.25" total diameter could be parted. Also the insert is held in the cutter snugly by clamping force from the top that is adjustable via a single screw with an Allen head...odd im used to torx style screws on modern tooling.The insert, well umm yup its an insert and it has positive rake which is nice for lower powered machines, it is well supported and if your lathe is not sloppy it will easily do its job. Is it the highest quality insert i have used...nope. Is it the sharpest, definitely not, but I does an acceptable job in 304 stainless and survived an interrupted cut. It does properly make little curls of steel so the chip breaker works when the cut is of proper depth. About that a 7x10 or 7x14 lathe may not be able to be stiff enough or have the torque needed to cut that deep. My 12x60 does.What do I recommend, buy this if your working with materials that have enough hardness that they are tearing up your HSS parting tools edge. Buy this if you have the rigidity and torque to run it for higher speeds which is where carbide shines. Buy this if you can't grind and shape your own parting tools and you just want a buy and use item.Now here is what I did AFTER I tested it out in factory form. I gently introduced it to my diamond grinding wheel, then to my diamond polishing wheel and only sharpened the front edge until it was acutely sharp. This allowed me to maintain the tian coating on the leading edge and where the chip flow occurs and therefore reduce wear. Sharpening coated tools is always a compromise. Sharpening carbide cutting tools is also a compromise, bring it up to a high speed steel like edge and it becomes much more susceptible to damage, but it also cuts cleaner with less power required. The factory edge is adequate, the improved edge is far superior for my work where time and finish are more important than tool lifespan.Remember with carbide rigidity is all important for both the work holding and the tool mounting. And speed is where you get the return, carbide let's you move faster, much faster, this means your project is completed faster and you have more time to do other things. And frankly the most precious resource any of us have is Time as it can never be replaced.
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