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235DEEP HOLE DRILLINGISCAR BTA Drill ProductsCurrently, drills of the BTA (Boring and Trepanning Association) system, also known as the STS (Single Tube System), are widely used for machining deep holes in various designs.ISCAR offers three families of BTA system drills: ISCAR TRI-DEEP, ISCAR FINE-BEAM, and ISCAR-DEEP-DRILL. Each family can machine all types of materials, but each has its unique characteristics.ISCAR TRI-DEEP provides a deep hole machining solution with an indexable insert featuring three cutting edges, suitable for drilling diameters ranging from 16 mm to 40 mm.ISCAR FINE-BEAM offers a solution with indexable inserts for drilling diameters from 25 mm to 89 mm.ISCAR-DEEP-DRILL offers a versatile solution with adjustable cartridges carrying indexable inserts designed for drilling diameters from 38 mm to 291.99 mm, as well as a brazed tip solution for diameters from 8 mm to 65 mm.BTA system drilling heads with indexable inserts are available with both external four-start threads and internal single-start threads, guaranteeing IT10 hole diameter accuracy. Drilling heads with a brazed tip up to a diameter of 14.79 mm come with an external single-start thread, while those above 14.79 mm feature external two or four-start threads, ensuring IT9 hole diameter accuracy.BTA Drill HeadsIndexableInsert DrillsBrazed TipsDrilling HeadModular Drill Head (WithoutCartridges)Adjustable Drill Head(With Cartridges)ISCAR-DEEP-DRILLTRI-DEEP ISCAR-DEEP-DRILLFINE-BEAM