Boring Bar [TN Negative Insert] Lever Lock  S-PTUN (Boring)  A-PTUN11 Twin-Hole Bar (Boring, with Coolant Hole) φA F 93° φD φA 93° φD F S L2 H S L2 H θ L1 θ L1 93゚ 6° 93゚ 6° Left-hand Insert for Right-hand Toolholder, Right-hand Insert for Left-hand Toolholder. Left-hand Insert for Right-hand Toolholder. • Right-hand shown Max. Overhang Length L/D=~3 • Right-hand shown Max. Overhang Length L/D=~3  Toolholder Dimensions Std. Min. Dimension (mm) Std. Corner-R(rε) Spare Parts Bore Dia. Lever Lock Screw Shim Shim Pin Punch Wrench F Description θ LSP R L φA φD H L1 L2 F S P S16M-PTUN&11-20   20 16 15 150 34 11 0.3 18° S20Q-PTUN&11-25   25 20 19 180 37 13.2 0.2 17° 0.8 LL-03TN LS-03SN - P-03S - FH-2.5 Boring S25R-PTUN&11-32   32 25 24 200 42 15.7 0.3 16° S16M-PTUN&16-20   20 16 15 150 34 11 1.3 18° 1(: S20Q-PTUN&16-25   25 20 19 180 37 13.2 1.3 17° LL-03SN LS-03SN - P-03S - FH-2.5 S25R-PTUN&16-30   30 25 24 200 42 15.5 1.3 13° 0.8 S32S-PTUN& 16-40   40 32 30 250 50 22 0.7 13° LL-1N LS-1N LT-32N LSP-1 PC-1 FH-2.5 S40T-PTUN&16-50   50 40 37 300 60 27 0.6 11° *LT-32N-20 A16M-PTUNR11-20  20 16 15 150 34 11 0.3 18° A20Q-PTUNR11-25  25 20 19 180 37 13.2 0.2 17° 0.8 LL-03TN LS-03SN - P-03S - FH-2.5 A25R-PTUNR11-32  32 25 24 200 42 15.7 0.3 16° · When using inserts whose corner-R(rε) is greater than 1.6mm, please purchase a shim with * mark and use it in order to prevent workpiece and shim from interfering each other.  Applicable Inserts Applications Finishing Finishing Finishing-Medium Finishing-Medium Finishing-Medium Medium-Roughing Medium-Roughing Medium-Roughing Medium-Roughing Medium-Roughing / High Feed Rate Ref. to Page B33 B33 B33 B33 B33 B33 B33 B33 B34 B34 Insert PP GP PQ HQ CQ GS PG PS HS PT Toolholder Description ...-PTUN&11-... - TNMG1104.. - TNMG1104.. - TNMG1104.. - - - - ...-PTUN&16-... TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. Applications Medium-Roughing / Roughing Finishing Medium-Roughing Soft Steel / Finishing Soft Steel / Medium Soft Steel / Roughing Stainless Steel Stainless Steel Stainless Steel High Feed Rate Finishing Medium-Roughing Medium-Roughing Ref. to Page B34 B34 B38 B38,B39 B35 B35 B35 B36 B36 B36 Insert GT Standard &-S &- XP XQ XS MQ MS MU Toolholder Description ...-PTUN&11-... - - TNGG1104.. TNGG1104.. - - - - - - ...-PTUN&16-... TNMG1604.. TNMG1604.. TNGG1604.. TNGG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. Applications Stainless Steel Cast Iron Cast Iron Cast Iron Cast Iron Cast Iron Non-ferrous Metals Non-ferrous Metals Non-ferrous Metals Hard Materials Medium-Roughing Ref. to Page B36 B37 B37 B37 B37 B103 B37 B37 C23 C10,C11 Insert &-ST C ZS GC Without Chipbreaker Ceramic AH &-A3 PCD CBN Toolholder Description ...-PTUN&11-... - - - - - - - - - - ...-PTUN&16-... TNMG1604.. TNMG1604.. TNMG1604.. TNMG1604.. TNMA1604.. TNGA1604.. TN_G1604.. TNGG1604.. TNMM1604.. TNGA1604.. TNGA1604.. Recommended Cutting Conditions F93~F94  Applicable Coolant Sleeve / Joint Toolholder Description Applicable Coolant Sleeve Applicable Coolant Joint A16M-PTUN&11-20 SHC1640-70,SHC1650-95 A20Q-PTUN&11-25 SHC2040-70,SHC2050-95 SJS-8 A25R-PTUN&11-32 SHC2540-70,SHC2550-95 · For Coolant Sleeve, Coolant Joint, ref. to page F85~F86. ●: Std. Item F75