Stock DC DC OthersBrazedReamersIndexableIndexableInsert TypeHead TypeSolidDrilling SumiReamer SR Type Carbon Steel/Alloy Steelup to 0.28%Carbon Steel/Alloy Steelfrom 0.29%TemperedSteelHardenedSteelup to 45HRCStainlessSteelCast IronDuctileCast IronAluminumAlloyCopperAlloy Insert for SumiReamer SR Type ● SRL Type Chip Evacuation Emphasised Left-hand Thread: For Through Holes Fig 1 CW Fig 2 CW J Conceptual Image of Chip Evacuation B01 Type Through Hole Chips Evacuated Toward Back For Steel Through Holes Insert (SRL Type) Dimensions (mm) ● Made-to-order items Dimensions (mm) Dia. Dia.DCTolerance Cat. No. (B01 Type)F05,T12 WorkpieceDia. ToleranceCWNumber ofTeethFig Cutting Edge Dia. DC CW Number of Teethø11.900 to ø15.600 12.0 D SRL 12.0H7-B01- 12R1 ø15.601 to ø18.600 4.3 6 13.0 D 13.0H7-B01- 12R1 ø18.601 to ø23.600 14.015.016.0+0.017+0.011DDD 14.0H7-B01- 12R1 H715.0H7-B01-12R1+0.01816.0H7-B01-12R10 ø23.601 to ø28.600ø28.601 to ø35.600 4.3 8ø35.601 to ø43.600 17.018.0 DD 17.0H7-B01- 12R118.0H7-B01-12R1 4.3 6 1 ø43.601 to ø51.600ø51.601 to ø60.600 4.3 10 19.0 D 19.0H7-B01- 12R120.0D20.0H7-B01-12R121.0D21.0H7-B01-12R122.0D22.0H7-B01-12R1ø60.601 to ø80.600ø80.601 to ø100.600ø100.601 to ø120.600ø120.601 to ø140.6004.3125.3 23.0 D 23.0H7-B01- 12R124.0+0.019DSRL 24.0H7-B01-12R1H7 SRG type (Special) and SRL type (Special) are made-to-order items.When ordering, refer to "SR Type Insert Identification Details" 25.0 +0.013 D 25.0H7-B01- 12R1 +0.021 0 on page J134.* Cermet grades (T1200A and T1212R1) are only available up to 26.0 D 26.0H7-B01- 12R1 ø100.600mm. 27.0 D 27.0H7-B01- 12R1 4.3 8 2 28.0 D 28.0H7-B01- 12R1 29.0 D 29.0H7-B01- 12R1 30.0 D 30.0H7-B01- 12R1 Ordering Method : For the catalogue number, please indicate F05 (PVD grade) or T12 (Coated Cermet) in the when ordering. (e.g. SRG12.0H7-A01-F0512R1). (It is also possible to order uncoated cermet/DLC grades.) *Actual reamer diameter is near the upper limit of H7 tolerance. Recommended Cutting Conditions ISO Work Material Insert Grade Grade Depth of Cut (ap) (mm/radius) Cutting Speed Feed RateBelow ø20ø20 to ø35ø35 and abovevc (m/min)fz (mm/t) SRG TypeSRL Type F0512R1 Micro-grained Carbide+ PVD 0.05 to 0.120.05 to 0.120.08 to 0.150.08 to 0.15 0.10 to 0.250.10 to 0.25  80 to 220100 to 220 0.10 to 0.250.15 to 0.35 Carbon Steel SRG Type 0.05 to 0.12 0.08 to 0.15 0.10 to 0.25 120 to 250 0.10 to 0.25 T1200A Cermet SRL Type 0.05 to 0.12 0.08 to 0.15 0.10 to 0.25 120 to 250 0.15 to 0.35 P SRG TypeSRL Type F0512R1 Micro-grained Carbide+ PVD 0.05 to 0.120.05 to 0.120.08 to 0.150.08 to 0.15 0.10 to 0.250.10 to 0.25  60 to 180 60 to 180 0.06 to 0.200.10 to 0.22 Alloy Steel SRG Type 0.05 to 0.12 0.08 to 0.15 0.10 to 0.25  70 to 200 0.08 to 0.20 T1200A Cermet SRL Type 0.05 to 0.12 0.08 to 0.15 0.10 to 0.25  70 to 200 0.12 to 0.25 Die Steel SRG Type F0512R1 Micro-grained Carbide + PVD 0.05 to 0.10 0.08 to 0.15 0.10 to 0.20  15 to  60 0.06 to 0.20 Tool Steels SRG Type F0512R1 Micro-grained Carbide + PVD 0.05 to 0.10 0.08 to 0.15 0.10 to 0.20  15 to  30 0.04 to 0.15 M Stainless Steel SRG Type F0512R1 Micro-grained Carbide + PVD 0.05 to 0.10 0.08 to 0.15 0.08 to 0.20  15 to  60 0.06 to 0.20 Cast Iron F0512R1 Micro-grained Carbide + PVD 0.05 to 0.18 0.08 to 0.20 0.10 to 0.25  80 to 250 0.10 to 0.30 K SRG Type Ductile Cast Iron T1212R1 Coated Cermet 0.05 to 0.12 0.08 to 0.15 0.10 to 0.25  80 to 250 0.10 to 0.30 N Non-ferrous Alloys SRG Type F0510C Micro-grained Carbide + DLC 0.05 to 0.12 0.08 to 0.15 0.10 to 0.25 250 to 500 0.10 to 0.30 J135