Buy direct from THINBIT. MINI GROOVE 'N TURN 3 Pack MGTI064D2RFRD 'M' Series, TiCN Coated carbide, Grooving insert. .064" wide, Full Radius, .032" radius, .096" depth of cut. DURA-MAX 2000 is a versatile and tough sub-micron grain carbide. Because of its high transverse rupture strength and fine grain structure, DURA-MAX 2000 performs well with interrupted cuts. TiCN is a multi-layer, PVD coating for cutting abrasive and difficult to machine materials such as aluminum, brass, bronze, copper and cast iron. TiCN provides excellent wear resistance and allows increased cutting rates. TiCN is harder and more impact resistant than TiN. Kaiser Tool Company, Inc. makes all products in Fort Wayne, Indiana and has over 50 years producing THINBIT products. Our principles are Quality Products, Fast Delivery and Superior Customer Service. Please Note: Final shipping costs will be calculated at checkout based on value of all THINBIT items ordered. THINBIT, MINI GROOVE 'N TURN and DURA-MAX are registered trademarks exclusively licensed to Kaiser Tool Company, Inc. in the U.S. and/or other countries.