Others Top-Borer Tool Features z Indexable insert jig boring tools usable for commercially available adjustable boring heads. z Minimum bore diameter ø5.5 mm. z Available in three types of SEXP, SWUB and STUP. Applicable for PINZBOHR small diameter finish boring heads. (See page K183) Applications by Type SEXP z Minimum bore diameter: ø5.5 mm. z A 75˚ rhombic insert is used. Stable insert holding assures precision boring. SWUB z Available in two sizes of minimum bore diameters of ø7 and ø8 mm. z Uses an economical trigon insert. STUP z Available in five sizes of minimum bore diameters of ø10, ø12, ø14, ø16 and ø18 mm. z Many standard items make them applicable for a wide range of applications. Designation system for Top-Borer Tools Symbol Min. bore dia. DMIN (mm) Symbol Insert type 055 5.5 04 EPGT0401 Symbol Material 07 7 03 WBGT0301 S Steel 08 8 08 TPGT0802 C Carbide 10 10 11 TPGT1102 1 Shank material 3 Min. bore dia. 6 Applicable insert 3 6 S 08 055 SEXP R 04 1 2 4 5 2 Shank size 4 Tool shape 5 Hand of cartridge Symbol Shank diameter (mm) Symbol Shape Symbol Hand 08 8 R Right 10 10 SEXP 10° L Left 12 12 N Neutral 16 16 3° SWUB 5° STUP * Avilable holders are supplied from tooling manufactures. 8 10 12 16 K212 www.tungaloy.com