SumiReamer SR Reamer
Carbon Steel/ Alloy Steel up to 0.28%
Carbon Steel/ Alloy Steel from 0.29%
Hardened Steel up to 45HRC
Stainless Steel
Tempered Steel
Ductile Cast Iron
Aluminum Alloy
Copper Alloy
Cast Iron
Insert for SR Reamer
● SRG General-Purpose Straight Flute: Stop and Through Holes
Fig 1
Fig 2
CW
CW
Stop Hole
Conceptual Image of Chip Evacuation
A01 Type
C01 Type
S02 Type
Through Hole
Chips Evacuated Toward Front
Standard Type
Good Surface Roughness
Good Straightness
: Worldwide Warehouse Item
SRG Insert
SR Reamer Insert Identification
Dimensions ( mm )
Dia. DC 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 21.0 22.0 23.0 24.0 25.0 26.0 27.0 28.0 29.0 30.0
Dia. Tolerance
Workpiece Dia. Tolerance
Number of Teeth
Specifying Inserts Using Workpiece Hole Diameter Tolerance The actual desired reamer diameter will be on the upper limit side of the median work tolerance, and will differ depending on diameter/ tolerance range/grade. Contact Sumitomo Engineering Department for more details. (1) SR G 18.2 + 20 - 10 - A01 - F05 12R 1 (2) (3) (4) (5) (6) (7) (1) SR Reamer Specifying Inserts Using Desired Reamer Diameter By adding a "Q" after the diameter, it is possible to specify exact desired reamer dimensions. Uncoated types are available within ±2μ, thin-coated layer types are available within ±3μ and thick- coated layer types are available within ±4μ. ① SRL 18.2 Q + 3 - 3 - A01 - F0512R1 ② ③ ④ ⑤ ⑥ ⑦ (1) SR Reamer (2) G = Straight, L = Lefthand helix (3) Median Desired Cutting Edge Diameter (mm) (4) Tolerance (μm) +/- (5) Approach Angle Code (6) Grade Symbol (7) Coating Code (2) G = Straight, L = Lefthand helix (3) Workpiece Bore Diameter (mm) (4) Tolerance (μm) +/- or standard (e.g. H7) (5) Approach Angle Code (6) Grade Symbol (7) Coating Code
Cat. No. (A01 Type)
CW
Fig
SRG12.0H7-A01-F0512R1 SRG13.0H7-A01-F0512R1 SRG14.0H7-A01-F0512R1 SRG15.0H7-A01-F0512R1 SRG16.0H7-A01-F0512R1 SRG17.0H7-A01-F0512R1 SRG18.0H7-A01-F0512R1 SRG19.0H7-A01-F0512R1 SRG20.0H7-A01-F0512R1 SRG21.0H7-A01-F0512R1 SRG22.0H7-A01-F0512R1 SRG23.0H7-A01-F0512R1 SRG24.0H7-A01-F0512R1 SRG25.0H7-A01-F0512R1 SRG26.0H7-A01-F0512R1 SRG27.0H7-A01-F0512R1 SRG28.0H7-A01-F0512R1 SRG29.0H7-A01-F0512R1 SRG30.0H7-A01-F0512R1
H7 +0.018 0
+0.017 +0.011
4.3 6 1
H7 +0.021 0
+0.019 +0.013
4.3 8 2
Ordering Method : For the catalog 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.
8
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