® Thread Turning Kits Threading & Boring Combination Kit A practical and convenient combination kit for Ultra Miniature Threading and Boring. It enables Boring and Threading of mini bores as small as 6 mm diameter (1/4”) with just one deep reaching Carbide shank ultra mini Boring Bar. Ordering Code ContentsThreading InsertTurning InsertsBoring BarKey KC6TM 06 IR A60 BXC 06 IR TURN BMA SIR 0005 H06CB K6 10 Pcs 10 Pcs BMA - Coated carbide grade for medium to high cutting speeds BXC - Coated carbide grade for low cutting speed - 40 to 90 m/min CB - Carbide shank boring bar with coolant bore A02-23