THREADING THREADING SYSTEMS Main Types of Laydown Inserts B/M-TYPE U-TYPE REGULAR TYPE MULTI-TOOTH Additional Threading Systems External Internal CUT-GRIP External MINICHAM Internal SWISSCUT External Minimum bore dia. 4 mm PICCOCUT Mini-Bar PENTACUT External Minimum bore dia. 2.4 mm CHAMGROOVE Internal Partial profile Full profile Minimum bore dia. 8.0 mm CUT-GRIP Internal Minimum bore dia. 12.5 mm Minimum bore dia. 20 mm Partial profile Full profile 638 ISCAR