ISO Insert GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingEndmillDrilling ToolTechnical Reference Internal To o l h o l d e r - Quick GuidePositive type 1 Min. bore diameter DMIN (mm) 2 Style Designation & Application Material Page 0 10 20 30 SEXPR/L Boring & internal facing Steel ø4.5 ø7 4-13 Insert : EP** Carbide ø4.5 ø7SWUBR/LBoringSteelø6ø8 4-15 3 Insert : WB** Carbide ø6 ø8 SCLCR/L Steel ø5 ø20 Boring & internal facing 4-16 Insert : CC** Carbide ø5 ø16 SCLPR/LBoring & internal facingInsert : CP**Steel ø10 ø20 4-17Carbideø10ø16 4 SWLXR/L Steel ø12 ø18 Boring & internal facing 4-18 Insert : WXGU Carbide ø12 ø14 STUPR/LBoringInsert : TP** Steel ø8 ø20 4-19Carbideø8ø16 5 STFPR/L Steel ø10 ø18 Internal hole boring 4-20 Insert : TP** Carbide ø10 ø14 STFCR/LInternal hole boringInsert : TC** Steel ø12 ø18 4-21Carbideø12ø14 6 15.5˚ SDXXR/LBoring & internal profiling Steel ø13 ø20 4-25 Insert : DXGU Carbide ø13 ø16 SDUCR/L Steel ø13 ø20 30˚ Boring & internal profilingInsert : DC**SDQCR/L Carbide ø13 ø16 4-22Steelø13ø20 7 15.5˚ Boring & internal profilingInsert : DC** Carbide ø13 ø16 4-22 SDUPR/L Special ø15 ø22 15.5˚ Boring & internal profiling alloy steel 4-24 Insert : DPMT** CarbideSDQPR/LSpecial15.5˚Boring & internal profilingalloy steelø15ø18ø15ø22 84-24 Insert : DPMT** Carbide ø15 ø18 SVUBR/L 50˚ Boring & internal profiling Steel ø20 4-26 Insert : VB**SVQBR/L Steel25.5˚Boring & internal profilingø17ø21.5 4-26 9 Insert : VB** Carbide ø17 4-3