Short follow up to the HSS grinding video, brief chat about carbide to round out the cutting tool discussion. Tried to pack what I know about carbide in under 30 mins. Also demo a Kennametal tool from Maineiacs Tool Crib: https://maineiacstoolcrib.com/ Carbide Depot Insert Designation reference: http://www.carbidedepot.com/formulas-insert-d.htm