
SumiReamer SR Type Carbon Steel, Alloy Steel Tempered Hardened Steel Stainless Ti Heat-resistant Cast Ductile Aluminum Copper Composite Up to 0.28% From 0.29% Steel Up to 45HRC From 46HRC Steel Alloy Steels Iron Cast Iron Alloy Alloy CFRP ■ Sumi Reamer SR Type Insert G G G S G G G S S ● SRG Type general purpose Straight Grooves : Stop Boring / Through Boring Fig 1 Fig 2 CW CW DC DC Stop Hole Conceptual Image of Chip Evacuation A01 Type C01 Type S02 Type Through Hole Chips Evacuated Toward Front Standard Type Emphasis on Surface Roughness Emphasis on Direct Line ● Insert (SRG Type) Diameter Cat. No.(A01 Type) Cat. No.(C01 Type) Cat. No.(S02 Type) Work Hole CW No. of Teeth Stock Stock Stock Fig DC (mm) F05, T12 F05, T12 F05, T12 DiameterTolerance (mm) 12.0 D SRG 12.0H7-A01- 12R1 D SRG 12.0H7-C01- 12R1 D SRG 12.0H7-S02- 12R1 13.0 D 13.0H7-A01- 12R1 D 13.0H7-C01- 12R1 D 13.0H7-S02- 12R1 14.0 D 14.0H7-A01- 12R1 D 14.0H7-C01- 12R1 D 14.0H7-S02- 12R1 15.0 D 15.0H7-A01- 12R1 D 15.0H7-C01- 12R1 D 15.0H7-S02- 12R1 16.0 D 16.0H7-A01- 12R1 D 16.0H7-C01- 12R1 D 16.0H7-S02- 12R1 17.0 D 17.0H7-A01- 12R1 D 17.0H7-C01- 12R1 D 17.0H7-S02- 12R1 H7 4.3 6 1 18.0 D 18.0H7-A01- 12R1 D 18.0H7-C01- 12R1 D 18.0H7-S02- 12R1 19.0 D 19.0H7-A01- 12R1 D 19.0H7-C01- 12R1 D 19.0H7-S02- 12R1 20.0 D 20.0H7-A01- 12R1 D 20.0H7-C01- 12R1 D 20.0H7-S02- 12R1 21.0 D 21.0H7-A01- 12R1 D 21.0H7-C01- 12R1 D 21.0H7-S02- 12R1 22.0 D 22.0H7-A01- 12R1 D 22.0H7-C01- 12R1 D 22.0H7-S02- 12R1 23.0 D 23.0H7-A01- 12R1 D 23.0H7-C01- 12R1 D 23.0H7-S02- 12R1 J 24.0 25.0 26.0 D SRG 24.0H7-A01- D D 25.0H7-A01- 26.0H7-A01- 12R1 D SRG 24.0H7-C01- 12R1 D 12R1 D 25.0H7-C01- 26.0H7-C01- 12R1 D SRG 24.0H7-S02- 12R1 D 12R1 D 25.0H7-S02- 26.0H7-S02- 12R1 12R1 12R1 Drilling 27.0 D 27.0H7-A01- 12R1 D 27.0H7-C01- 12R1 D 27.0H7-S02- 12R1 H7 4.3 8 2 28.0 D 28.0H7-A01- 12R1 D 28.0H7-C01- 12R1 D 28.0H7-S02- 12R1 29.0 D 29.0H7-A01- 12R1 D 29.0H7-C01- 12R1 D 29.0H7-S02- 12R1 30.0 D 30.0H7-A01- 12R1 D 30.0H7-C01- 12R1 D 30.0H7-S02- 12R1 Solid Please indicate F05 (PVD) or T12 (Coated Cermet) in the □□□ when ordering. *Actual reamer diameter is near the upper limit of H7 tolerance. Special (Example: SRG12.0H7-A01-F0512R1) [It is also possible to order uncoated cermet/DLC grades.] Indexable Reamer ■ SumiReamer SR Type Insert Identification Details Brazed Specifying Inserts Using Work Hole Diameter Tolerance Specifying Inserts Using Desired Reamer Diameter Others The actual desired reamer diameter will be on the upper limit side of the median work tolerance, By adding a "Q" after the diameter, it is possible to specify exact desired reamer and will differ depending on diameter/tolerance range/grade. Please contact us for details. dimensions. Uncoated types are available within ±2μ, thin-layer coated types within ±3μ, and thick-layer coated types within ±4μ. SR G 18.2 + 20 - 10 - A01 - F05 12R 1 SR L 18.2 Q + 3 - 3 - A01 - F05 12R 1 ① ② ③ ④ ⑤ ⑥ ⑦ ① ② ③ ④ ⑤ ⑥ ⑦ ① SR Type ⑤ Approach Angle Code ① SR Type ⑤ Approach Angle Code ② G = Straight, L = Lefthand helix ⑥ Grade Symbol ② G = Straight, L = Lefthand helix ⑥ Grade Symbol ③ Work Hole Diameter(mm) ⑦ Coating Code ③ Work Hole Diameter(mm) ⑦ Coating Code ④ Tolerance (μm) +/- or standard (ex. H7) ④ Tolerance (μm) +/- J104