Page 1272 - YG 2019
P. 1272

COBALT & HSS                                       E2120 SERIES       8% COBALT (M42)                                 COBALT & HSS                                       E2160 SERIES       8% COBALT (M42)
                                                                                                    FLAT SHANK
                                                                                                                                                                                                                          FLAT SHANK
                              END MILLS                                          E2121 SERIES       8% COBALT (M42)                                 END MILLS                                          E2161 SERIES       8% COBALT (M42)
                                                                                                                                                                                                                          FLAT SHANK
                                                                                                    FLAT SHANK

               HSSCo8, 3&4 FLUTE 60° HELIX REGULAR LENGTH                                                                             HSSCo8, 3 FLUTE SHORT & LONG LENGTH THROW AWAY

               ▶ Provided with high helix angle(60°).                                                                                 ▶ Well balanced web design to minimize deflection & chattering. High accuracy for O.D. is guaranteed under the strict tolerance control. Much
                 Smooth cutting and small cutting resistance.                                                                           higher(50%) table speed than 2 Flute is allowed.
                 Suitable for machining of difficult-to-cut materials.













                                             P.1283                                                                                                                P.1282
               E2120 Series  ■ 3 FLUTE                                                                     Unit : Inch               E2160 Series ■ SHORT LENGTH                                                                 Unit : Inch
                        EDP No.                Mill              Shank             Length            Overall                                  EDP No.                 Mill             Shank             Length             Overall
                    8% COBALT (M42)          Diameter           Diameter           of Cut            Length                               8% COBALT (M42)           Diameter          Diameter            of Cut            Length
                        20297                  1/4               3/8               5/8              2-7/16                                    22257                 1/16               1/4               3/32              31/32
                        20301                 5/16               3/8               3/4               2-1/2                                    22261                 3/32               1/4               5/32              1-1/64
                        20305                  3/8               3/8               3/4               2-1/2                                    22265                  1/8               1/4               3/16              1-3/32
                        20312                 7/16               3/8                 1              2-11/16                                   22269                 5/32               1/4                1/4              1-9/32
                        20321                  1/2               1/2               1-1/4             3-1/4                                    22273                 3/16               1/4               9/32             1-11/32
                        20337                  5/8               5/8               1-5/8             3-3/4                                    22277                 7/32               1/4               5/16             1-13/32
                        20359                  3/4               3/4               1-5/8             3-7/8                                    22281                  1/4               1/4                3/8             1-13/32
               E2121 Series ■ 4 FLUTE                                                                      Unit : Inch               E2161 Series ■ LONG LENGTH                                                                  Unit : Inch
                        EDP No.                Mill              Shank             Length            Overall                                  EDP No.                 Mill             Shank             Length             Overall
                    8% COBALT (M42)          Diameter           Diameter           of Cut            Length                               8% COBALT (M42)           Diameter          Diameter            of Cut            Length
                        20394                  7/8               7/8               1-7/8             4-1/8                                    23257                 1/16               1/4               5/32              1-3/32
                        20426                   1                 1                  2               4-1/2                                    23261                 3/32               1/4                1/4               1-1/4
                        20445                 1-1/4             1-1/4                2               4-1/2                                    23265                  1/8               1/4               5/16             1-11/32
                        20461                 1-1/2             1-1/4                2               4-1/2                                    23269                 5/32               1/4                3/8             1-17/32
                        20477                   2               1-1/4                2               4-1/2                                    23273                 3/16               1/4               7/16             1-21/32
                                                                                                                                              23277                 7/32               1/4                1/2               1-3/4
               ■ The TiN coated, TiCN coated or TiAIN coated is available on your request.
               ■ Coating Codes for Cobalt                                                                                                     23281                  1/4               1/4                5/8               1-3/4
                 Uncoated EDP NO. + CN(TiN), CC(TiCN), CF(TiAIN F), CE(TiAIN E), CH(Hardslick)                                       ■ The TiN coated, TiCN coated or TiAIN coated is available on your request.
               ▶ Coated Price Shown in Price List. Call for Availability.                                                            ■ Coating Codes for Cobalt
                                                                                                                                       Uncoated EDP NO. + CN(TiN), CC(TiCN), CF(TiAIN F), CE(TiAIN E), CH(Hardslick)
                           Mill Dia.                                                                                                 ▶ Coated Price Shown in Price List. Call for Availability.
                         Tolerance (inch)
                                                                                                                                          Mill Dia.
                   0~+.0010        0~+.0015
                                                                                                  Enforced cutting edge                 Tolerance (inch)
                 The shank of end mills is the same diameter as the cutting portion.                                                      — .0005
                                                                                                                                          — .0013







                                                                                                  ◎ : Excellent     ◯ : Good                                                                                            ◎ : Excellent     ◯ : Good
                                 P                      H        M    K               N                  S                                             P                       H       M     K              N                   S
               Carbon  Alloy  Prehardened   Hardened Steels  High Hardened                                 High                       Carbon  Alloy  Prehardened           High Hardened                                          High
                Steels  Steels  Steels                 Steels  Stainless  Cast  Copper Graphite Aluminum Acrylic CFRP Titanium Temperature  Steels  Steels  Steels  Hardened Steels  Steels  Stainless  Cast  Copper Graphite Aluminum Acrylic CFRP Titanium Temperature
                                                               Steels
                                                                      Iron
               ~HRc20 HRc20~30  HRc30~40 HRc40~45 HRc45~55  HRc55~70                                       Alloy                     ~HRc20 HRc20~30  HRc30~40 HRc40~45 HRc45~55  HRc55~70  Steels   Iron                         Alloy
                 ◎      ◎       ○                                          ○                                                           ◎      ◎       ○                                          ○           ○
               1274   • phone:+1-800-765-8665,  Technical Support : 888-868-5988,  www.yg1usa.com                                                       phone:+1-800-765-8665,  Technical Support : 888-868-5988,  www.yg1usa.com  •  1275
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