750 Face Turn Boring Bar Holder CNC Lathe Tool Block. Our 20,000 Sqft Warehouse in Oxnard, CA is always full of Machine tools & accessories for Lathes, Mills & Grinders. Carbide Inserts made by ISCAR, SANDVIK, KENNAMETAL. Tool Holders, HSS & Carbide End Mills, Taps and more. We will get back to you shortly.