Do I have a Carbide Boring Bar?

ddickey

H-M Supporter - Gold Member
H-M Supporter Gold Member
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Apr 21, 2016
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I bought a boring bar (new) on a whim. Paid $20 for it. No info on it because I believe it to be a discontinued bar. ~7" x .75". It's coolant through also, takes a C insert. Normally I can tell the difference between carbide and HSS tooling. I think this is carbide but the guy in the store said it was HSS.
Do they make coolant through bars out of HSS?
It weighs 600 grams which seems a little light for Carbide.
It has that dark gray color that doesn't feel super smooth. The same type of color as my smaller carbide bars.
 
Try hitting the end of it on a grinder . ;)
 
It's carbide then.
Thanks for that.
 
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