DC GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingMiniature toolMilling cutterEndmillDrilling toolTooling SystemUser's GuideIndex Whitworth A VMT***W Internal and external threading head, for 55° BSP profile ( Tu n g M e i s t e r ) CRKS B Designation TPI Application range DC APMX LFNOFAPMX LF CRKS Grade Wrench C VMT100L06W19-4S05 19 1/4-3/8 10 4 5.3 12.8 S05 AH725 KEYV-S05 VMT160L12W14-4S08 14 1/2-7/8 16 4 12.7 19 S08 AH725 KEYV-T30L VMT160L11W11-4S08 11 ≥1 16 4 11.6 19 S08 AH725 KEYV-T30L D 60° partial profile VTR***ISInternalandexternalthreading head, for 60° partial profile ( Tu n g M e i s t e r ) E 60 60 VTR16 DC PDXRE CF VTR22 RE F CRKS DC CRKS PDX Designation TP SmallestPossibleDC NOF RETPNTPXthreadCF PDX CRKS Grade Wrench G VTR160L12IS05-3S06 0.5 2 M20 15.7 3 - 0.05 1.4 S06 GH130 KEYV-177 VTR160L12IS15-3S06 1.5 2 M22 15.7 3 0.05 - 1.4 S06 GH130 KEYV-177 VTR220L28IS30-4S08 3 4.5 M36 21.7 4 0.2 - 2.8 S08 GH130 KEYV-217 H 55° partial profile VTR***WInternalandexternalthreading head, for 55° partial profile I 55 REDC J CRKS Designation TPITPINTPIX SmallestPossiblethreadDC NOF RE PDXPDX CRKS Grade Wrench K VTR220L24W14-4S08 14 11 3/4 21.7 4 0.2 2.4 S08 GH130 KEYV-217 L M Reference pages: ThreadMill → I103 - I115 Tungaloy I117