Our 3/8" Diamond Insert Indexable Bars without coolant holes are ideal for shops using external coolant or looking for a simpler, solid-body solution. These bars feature a durable micro grain carbide shank and a heat-treated steel head to handle tough materials with accuracy and repeatability. Each tool comes with one insert screw and one key for easy insert installation. Inserts are sold separately. Flat and round shank styles are available to match your setup.