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 fi ve 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 ToolsSymbol Min. bore dia. DMIN (mm)SymbolInsert type
0555.504EPGT0401
07703WBGT0301
SymbolMaterial
Steel08808TPGT0802
S
Carbide101011TPGT1102
C
1Shank material3Min. bore dia.6Applicable insert
S 08 055 SEXP R 0436

1 2 4 5

2Shank size4Tool shape 5Hand of cartridge
Symbol Shank diameter (mm)SymbolShape SymbolHand
8RRight
08
1010°Left
10SEXPL
12NNeutral

12 16 3° 16 SWUB

5° STUP

* Avilable holders are supplied from tooling manufactures. 8 10