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The OSCARBIDE 1/2"x1/2" Indexable Parting Grooving Holder QA08R-20 is a heavy-duty lathe cut-off tool designed for precision and versatility. With a robust nickel-plated finish and a GTN-2 carbide insert, this tool ensures accurate depth of cut and easy setup across various machine types. Ideal for external parting, grooving, and profile turning, it offers superior stability and efficiency in tight machining environments.
A**I
Cuts T5 Titanium on mini lathe
The media could not be loaded. Almost didn't buy because of the top review talking about the bits blowing up. Ordered anyways and it cuts like a champ. I'm working with an underpowered lathe and I'm pretty new to this all and I'm cutting T5 Titanium on my first project on a metal lathe. On top of that I REALY abused this bit, I mean like I said basically zero experience, and it held up damn well and didn't break/explode and was still sharp.
B**D
Works great and insert holds tight!
Tool works great in my bench top lathe. Needed something with insert because I don't always have the time to grind an edge on HSS. No chatter and the insert stays put unlike other I've tried:)
J**F
Dangerous Carbide tips. JUNK, they fail by splitting down the middle.
I have tried the OScarbide tools before, but the quality of these are just plain junk. I ordered 5 extra tips, and the first three failed within a matter of minutes cutting at a very slow feed rate, and 70 rpms on the lathe with full coolant flowing on part.The carbides just explode. The first one wouldn't even cut, screamed like a cat stuck in a boiler. The insert totally failed, and tore up the tool holder.The next two just seperated in half, down the middle as shown in the pictures. I finished the parting with a HSS steel China Parting 5/8 bit sharpened, and centered. It cut through the stainless like butter making ribbon chips. Been machining for a lot of years but when Chinese HSS blades cut better than carbide, and it doesn't explode. The last carbide tip that blew up flew past my head, and literally stuck in a piece of wood cabinet 12 feet behind me. I will not be purchasing anymore of OS carbides tools.Waste of my money, and time.
C**T
Works great!
I use this tool on my lathe for grooving but mostly for parting. Works great. Does not bend or break like the HSS parting tools. But this one can't go very deep.
R**S
Well made holder
So far I am very pleased with this tool holder. It is very sturdy and well made, and the provided insert does the job.
S**R
Nice tool, arrived quickly
Does what it's supposed to, ran it hard on some 304 stainless and chipped an insert but that's to be expected really.
T**T
Held insert
Liked the product held the insert well hasnโt fallen out yet
A**R
Works for me.
They do the job at hand. Would buy again. Thanks.
Trustpilot
1 week ago
4 days ago