4G MILL

For Pre-Hardened Steels up to HRc55

The 4G Mill End Mills by YG-1 feature a “Y” technology coating, unique flute design, and rugged tooth geometry for high-speed machining, smooth chip evacuation, and heavy-duty cutting up to HRc55.
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4G MILL
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22 Products

Products

YG-1 G9D68 official product photograph · transparent

(G9D68) X-Speed rougher, 4&5Flute Multiple Helix Corner Radius Roughing End Mill, Long Length, Flat

Regular price From $125.29INC GST
From $113.90 EX GST
Available in Mill Diameter (mm)
6.0 8.0 10.0 +3
Low stock
YG-1 LEGEND 4-5 flutes YG-1 LEGEND X COATING YG-1 LEGEND CARBIDE YG-1 LEGEND M-HELIX YG-1 LEGEND SHANK FLAT YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 0°Helix Helix Ball End Mill (SEME58) 4G MILL 2 Flute 0°Helix Helix Ball End Mill (SEME58)

4G MILL 2 Flute 0°Helix Helix Ball End Mill (SEME58)

Regular price Pricing available on request
Available in Code
SEME58200 SEME58160 SEME58120 +6
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix End mill (SEME35) 4G MILL 2 Flute 30°Helix End mill (SEME35)

4G MILL 2 Flute 30°Helix End mill (SEME35)

Regular price From $36.69INC GST
From $33.36 EX GST
Available in Mill Diameter (mm)
0.1 0.15 0.2 +46
In stock
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix End Mill (SEME69) 4G MILL 2 Flute 30°Helix End Mill (SEME69)

4G MILL 2 Flute 30°Helix End Mill (SEME69)

Regular price Pricing available on request
1-2 Weeks
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix Helix MMC Ball End Mill (SEME57) 4G MILL 2 Flute 30°Helix Helix MMC Ball End Mill (SEME57)

4G MILL 2 Flute 30°Helix Helix MMC Ball End Mill (SEME57)

Regular price Pricing available on request
Available in Code
SEME57120 SEME57100 SEME57080 +4
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix Taper Ball End Mill (SEME79) 4G MILL 2 Flute 30°Helix Taper Ball End Mill (SEME79)

4G MILL 2 Flute 30°Helix Taper Ball End Mill (SEME79)

Regular price Pricing available on request
Available in Code
SEME7902010 SEME7902007 SEME7902005 +69
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX BALL 30 YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix Taper End Mill (SEME78) 4G MILL 2 Flute 30°Helix Taper End Mill (SEME78)

4G MILL 2 Flute 30°Helix Taper End Mill (SEME78)

Regular price Pricing available on request
Available in Code
SEME7810010 SEME7810007 SEME7810005 +97
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix Taper Neck Ball End Mill (SEME56) 4G MILL 2 Flute 30°Helix Taper Neck Ball End Mill (SEME56)

4G MILL 2 Flute 30°Helix Taper Neck Ball End Mill (SEME56)

Regular price Pricing available on request
Available in Code
SEME560010501 SEME560011001 SEME560011501 +97
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 2 Flute 30°Helix Taper Neck Corner Radius End Mill (SEME62) 4G MILL 2 Flute 30°Helix Taper Neck Corner Radius End Mill (SEME62)

4G MILL 2 Flute 30°Helix Taper Neck Corner Radius End Mill (SEME62)

Regular price Pricing available on request
Available in Code
SEME62020020250 SEME62020020240 SEME62020020230 +97
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 3 Flute 30°Helix Helix Ball End Mill (SEME59) 4G MILL 3 Flute 30°Helix Helix Ball End Mill (SEME59)

4G MILL 3 Flute 30°Helix Helix Ball End Mill (SEME59)

Regular price Pricing available on request
Available in Code
SEME59120 SEME59100 SEME59080 +7
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX BALL 30 YG-1 LEGEND SHANK PLAIN
4G MILL 3 Flute 45°Helix Double Corner Radius End Mill (SEME63) 4G MILL 3 Flute 45°Helix Double Corner Radius End Mill (SEME63)

4G MILL 3 Flute 45°Helix Double Corner Radius End Mill (SEME63)

Regular price Pricing available on request
Available in Code
SEME6320010 SEME6320005 SEME6316010 +13
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 45 YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 10°Helix Corner Radius End Mill (SEME66) 4G MILL 4 Flute 10°Helix Corner Radius End Mill (SEME66)

4G MILL 4 Flute 10°Helix Corner Radius End Mill (SEME66)

Regular price Pricing available on request
Available in Code
SEME6620020150 SEME6620020 SEME6620010150 +69
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 10 YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 30°Helix Taper Corner Radius End Mill (SEME82) 4G MILL 4 Flute 30°Helix Taper Corner Radius End Mill (SEME82)

4G MILL 4 Flute 30°Helix Taper Corner Radius End Mill (SEME82)

Regular price Pricing available on request
Available in Code
SEME82007010104 SEME82007010106 SEME82007010108 +97
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 30°Helix Taper End Mill (SEME81) 4G MILL 4 Flute 30°Helix Taper End Mill (SEME81)

4G MILL 4 Flute 30°Helix Taper End Mill (SEME81)

Regular price Pricing available on request
Available in Code
SEME8110010 SEME8110007 SEME8110005 +43
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 30°Helix Taper End Mill (SEME95) 4G MILL 4 Flute 30°Helix Taper End Mill (SEME95)

4G MILL 4 Flute 30°Helix Taper End Mill (SEME95)

Regular price Pricing available on request
Available in Code
SEME950120216 SEME950120212 SEME950120210 +83
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 30°Helix Taper Neck Corner Radius End Mill (SEME65) 4G MILL 4 Flute 30°Helix Taper Neck Corner Radius End Mill (SEME65)

4G MILL 4 Flute 30°Helix Taper Neck Corner Radius End Mill (SEME65)

Regular price Pricing available on request
Available in Code
SEME65010010106 SEME65010010108 SEME65010010110 +97
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 38°Helix Corner Radius End Mill (SEME67) 4G MILL 4 Flute 38°Helix Corner Radius End Mill (SEME67)

4G MILL 4 Flute 38°Helix Corner Radius End Mill (SEME67)

Regular price Pricing available on request
Available in Code
SEME6720020100 SEME6720020 SEME6720015100 +40
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 38°Helix Long Neck Corner Radius End Mill (SEME67) 4G MILL 4 Flute 38°Helix Long Neck Corner Radius End Mill (SEME67)

4G MILL 4 Flute 38°Helix Long Neck Corner Radius End Mill (SEME67)

Regular price Pricing available on request
Available in Code
SEME6720020100 SEME6720020 SEME6720015100 +40
Quantity unavailable
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND SHANK PLAIN
4G MILL 4 Flute 45°Helix End Mill (SEME74) 4G MILL 4 Flute 45°Helix End Mill (SEME74)

4G MILL 4 Flute 45°Helix End Mill (SEME74)

Regular price Pricing available on request
Available in Code
SEME7420070 SEME7420060 SEME74200110 +20
Quantity unavailable
YG-1 LEGEND 6 flutes YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 45 YG-1 LEGEND SHANK PLAIN
4G MILL 6 Flute 45°Helix Corner Radius End Mill (SEME68) 4G MILL 6 Flute 45°Helix Corner Radius End Mill (SEME68)

4G MILL 6 Flute 45°Helix Corner Radius End Mill (SEME68)

Regular price Pricing available on request
Available in Code
SEME6820020 SEME6820015 SEME6820010 +17
Quantity unavailable
YG-1 LEGEND 6 flutes YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 45 YG-1 LEGEND SHANK PLAIN
4G MILL Multi Flute 20°Helix Roughing End Mill (SG9E76) 4G MILL Multi Flute 20°Helix Roughing End Mill (SG9E76)

4G MILL Multi Flute 20°Helix Roughing End Mill (SG9E76)

Regular price Pricing available on request
Available in Code
SG9E76250 SG9E76200 SG9E76180 +17
Quantity unavailable
YG-1 LEGEND 45 CHAMFER ANGLE YG-1 LEGEND X COATING YG-1 LEGEND FINE YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 20 YG-1 LEGEND SHANK PLAIN
CARBIDE, 2 FLUTE CORNER RADIUS (SEMD99) CARBIDE, 2 FLUTE CORNER RADIUS (SEMD99)

CARBIDE, 2 FLUTE CORNER RADIUS (SEMD99)

Regular price From $65.45INC GST
From $59.50 EX GST
Available in Mill Diameter (mm)
0.2 0.3 0.4 +24
1-2 Weeks
YG-1 LEGEND Y COATING YG-1 LEGEND CARBIDE YG-1 LEGEND HELIX SQUARE 30 YG-1 LEGEND SHANK PLAIN

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About 4G MILL

YG-1 4G MILL end mills are carbide milling cutters for machining carbon and alloy steels, pre-hardened steels up to HRc55, stainless steel and cast iron. They suit practical milling work where cutter geometry, reach and cutting profile need to match the feature being machined.

Choose square end mills for general end milling, ball nose cutters for curved profiles, or corner radius tools where a radiused edge is required. The range includes 2, 4 and 6 flute options, plus multiple-helix designs intended to reduce vibration. Long and long-neck rib styles provide additional reach and clearance where the shank could otherwise interfere.

Available options include short, regular and long lengths, along with a range of diameters. Check the individual tool specifications for the required diameter, flute count, cutting shape and reach.

Excision is now the exclusive distributor of YG-1 in Australia & New Zealand

View the range