Page 680 - YG 2019

4G MILL 4G MILL
END MILLS GMF19 SERIES PLAIN SHANK END MILLS GMF20 SERIES PLAIN SHANK

CARBIDE, 2 FLUTE CORNER RADIUS WITH NECK CARBIDE, 4 FLUTE CORNER RADIUS

▶ New coating and new tool geometry gives outstanding cutting performance and wear resistance. ▶ New coating and new tool geometry gives outstanding cutting performance and wear resistance.
▶ Excellent performance when cutting steels, up to HRc55 ▶ Excellent performance when cutting steels, up to HRc55
▶ Available in many more various length shanks and corner radiuses. ▶ Available in many more various length shanks and corner radiuses.
▶ Due to Multiple Helix on 1/8" and over diameter end mills, vibration is minimized and tool life increased.
▶ 4 flute series has new designs to reduce vibrations
R
R
↙ D3 R R
D2 D1 ↙
D2 D1
L1
L3 L1
L2 L2

P.800~801 27º/30º P.801
D≤1/4 D＞1/4 D1<Ø1/8, 30˚ Helix
Unit : Inch Unit : Inch
Corner Mill Shank Length Length Overall Neck Corner Mill Shank Length Overall
EDP No. Radius Diameter Diameter of Cut Below Shank Length Diameter EDP No. Radius Diameter Diameter of Cut Length
R D1 D2 L1 L3 L2 D3 R D1 D2 L1 L2
GMF19836 R.012 5/16 5/16 1/2 1 2-3/4 .300 GMF20003 R.004 3/64 1/4 3/32 2
GMF19837 R.020 5/16 5/16 1/2 1 2-3/4 .300 GMF20005 R.004 5/64 1/4 1/4 2
GMF19859 R.030 5/16 5/16 1/2 1 2-3/4 .300 GMF20901 R.008 5/64 1/4 1/4 2
GMF19838 R.040 5/16 5/16 1/2 1 2-3/4 .300 GMF20008 R.008 1/8 1/4 5/16 2-3/8
GMF19024 R.012 3/8 3/8 5/8 1-3/16 3 .363 GMF20902 R.012 1/8 1/4 5/16 2-3/8
GMF19839 R.020 3/8 3/8 5/8 1-3/16 3 .363 GMF20903 R.020 1/8 1/4 5/16 2-3/8
GMF19860 R.030 3/8 3/8 5/8 1-3/16 3 .363 GMF20933 R.030 1/8 1/4 5/16 2-3/8
GMF19840 R.040 3/8 3/8 5/8 1-3/16 3 .363 GMF20012 R.008 3/16 1/4 3/8 2-3/4
GMF19032 R.020 1/2 1/2 11/16 1-1/4 3-1/8 .488 GMF20904 R.012 3/16 1/4 3/8 2-3/4
GMF19861 R.030 1/2 1/2 11/16 1-1/4 3-1/8 .488 GMF20905 R.020 3/16 1/4 3/8 2-3/4
GMF19841 R.040 1/2 1/2 11/16 1-1/4 3-1/8 .488 GMF20934 R.030 3/16 1/4 3/8 2-3/4
GMF19842 R.060 1/2 1/2 11/16 1-1/4 3-1/8 .488 GMF20906 R.040 3/16 1/4 3/8 2-3/4
GMF19040 R.020 5/8 5/8 3/4 1-3/8 4 .613 GMF20013 R.012 13/64 1/4 1/2 3-1/2
GMF19862 R.030 5/8 5/8 3/4 1-3/8 4 .613 GMF20907 R.020 13/64 1/4 1/2 3-1/2
GMF19843 R.040 5/8 5/8 3/4 1-3/8 4 .613 GMF20935 R.030 13/64 1/4 1/2 3-1/2
GMF19048 R.020 3/4 3/4 1 1-1/2 4 .738 GMF20016 R.008 1/4 1/4 5/8 3-1/2
GMF19863 R.030 3/4 3/4 1 1-1/2 4 .738 GMF20908 R.012 1/4 1/4 5/8 3-1/2
GMF19844 R.040 3/4 3/4 1 1-1/2 4 .738 GMF20909 R.020 1/4 1/4 5/8 3-1/2
GMF20936 R.030 1/4 1/4 5/8 3-1/2
1/4
1/4
Radius
Mill Dia.
Size Tolerance (Inch) Tolerance (Inch) Shank Dia. GMF20910 R.040 5/16 5/16 5/8 3-1/2
Tolerance
R.012
GMF20020
3/4
2-3/4
up to Ø1/4 ±.0004 0~-.0005 h6 GMF20911 R.020 5/16 5/16 3/4 2-3/4
over Ø1/4 ±.0006 0~-.0006 GMF20937 R.030 5/16 5/16 3/4 2-3/4
GMF20912 R.040 5/16 5/16 3/4 2-3/4
GMF20913 R.008 5/16 5/16 3/4 4
GMF20914 R.012 5/16 5/16 3/4 4
GMF20915 R.020 5/16 5/16 3/4 4
GMF20938 R.030 5/16 5/16 3/4 4
GMF20916 R.040 5/16 5/16 3/4 4
GMF20917 R.060 5/16 5/16 3/4 4
GMF20918 R.080 5/16 5/16 3/4 4
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◎ : Excellent ◯ : Good ◎ : Excellent ◯ : Good
P H M K N S P H M K N S
Carbon Alloy Prehardened High Hardened High Carbon Alloy Prehardened High Hardened High
Steels Steels Steels Hardened 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
Iron
Steels
Iron
Steels
~HB225 HB225~325 HRc30~40 HRc40~45 HRc45~55 HRc55~70 Alloy ~HB225 HB225~325 HRc30~40 HRc40~45 HRc45~55 HRc55~70 Alloy
◎ ◎ ◎ ◎ ○ ○ ◎ ◎ ◎ ◎ ○ ○
680 • 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 • 681