Buy direct from THINBIT. GROOVE 'N TURN 3 Pack LGT015D2RFRE 'L' Series, TiAlN Coated carbide, Grooving insert. .015" wide, Full Radius, .008" radius, .045" 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. TiAlN is a high performance PVD coating which excels in cutting abrasive or difficult-to-machine materials such as titanium, inconel, waspaloy, hastelloy, high nickel alloys and harder varieties of stainless steel. TiAlN performs well in high temperatures, interrupted cuts and dry machining. 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, GROOVE 'N TURN and DURA-MAX are registered trademarks exclusively licensed to Kaiser Tool Company, Inc. in the U.S. and/or other countries.