Y-Coated 4-Flute Multiple Helix Corner Radius End Mill
Multiple-helix geometry on 3 mm and larger tools helps minimise vibration and cutting-edge wear.
Designed for machining prehardened steels up to HRc55 used in mould and die applications.
Plain-shank variants cover 1 to 20 mm cutting diameters with R0.05 to R0.5 corner radii.
| SKU | Mill Diameter (mm) | Corner Radius (mm) | Overall Length (mm) | Overall length (mm) | Shank dia. (mm) | Length of cut (mm) | Stock | Price | Qty | Add |
|---|---|---|---|---|---|---|---|---|---|---|
| SEME01010005E | 1.0 | R0.05 | 50.0 | 50.0 | 6.0 | 2.5 | 1-2 Weeks | $67.20 | ||
| SEME0101001E | 1.0 | R0.1 | 50.0 | - | 6.0 | 2.5 | 1-2 Weeks | $67.20 | ||
| SEME0101002E | 1.0 | R0.2 | 50.0 | - | 6.0 | 2.5 | 1-2 Weeks | $67.20 | ||
| SEME0101003E | 1.0 | R0.3 | 50.0 | - | 6.0 | 2.5 | In stock | $67.20 | ||
| SEME01012005E | 1.2 | R0.05 | 50.0 | 50.0 | 6.0 | 3.0 | 1-2 Weeks | $67.20 | ||
| SEME0101201E | 1.2 | R0.1 | 50.0 | - | 6.0 | 3.0 | 1-2 Weeks | $67.20 | ||
| SEME0101202E | 1.2 | R0.2 | 50.0 | - | 6.0 | 3.0 | 1-2 Weeks | $67.20 | ||
| SEME0101203E | 1.2 | R0.3 | 50.0 | - | 6.0 | 3.0 | 1-2 Weeks | $67.20 | ||
| SEME01015005E | 1.5 | R0.05 | 50.0 | 50.0 | 6.0 | 4.0 | 1-2 Weeks | $67.20 | ||
| SEME0101501E | 1.5 | R0.1 | 50.0 | - | 6.0 | 4.0 | 1-2 Weeks | $67.20 | ||
| SEME0101502E | 1.5 | R0.2 | 50.0 | - | 6.0 | 4.0 | 1-2 Weeks | $67.20 | ||
| SEME0101503E | 1.5 | R0.3 | 50.0 | - | 6.0 | 4.0 | 1-2 Weeks | $67.20 | ||
| SEME0101505E | 1.5 | R0.5 | 50.0 | - | 6.0 | 4.0 | 1-2 Weeks | $67.20 | ||
| SEME0102001E | 2.0 | R0.1 | 50.0 | 50.0 | 6.0 | 6.0 | 1-2 Weeks | $67.20 | ||
| SEME0102002E | 2.0 | R0.2 | 50.0 | - | 6.0 | 6.0 | In stock | $67.20 | ||
| SEME0102003E | 2.0 | R0.3 | 50.0 | - | 6.0 | 6.0 | 1-2 Weeks | $67.20 | ||
| SEME0102005E | 2.0 | R0.5 | 50.0 | - | 6.0 | 6.0 | 1-2 Weeks | $67.20 | ||
| SEME0102501E | 2.5 | R0.1 | 60.0 | 60.0 | 6.0 | 7.0 | 1-2 Weeks | $69.60 | ||
| SEME0102502E | 2.5 | R0.2 | 60.0 | - | 6.0 | 7.0 | 1-2 Weeks | $69.60 | ||
| SEME0102503E | 2.5 | R0.3 | 60.0 | - | 6.0 | 7.0 | 1-2 Weeks | $69.60 | ||
| SEME0102505E | 2.5 | R0.5 | 60.0 | - | 6.0 | 7.0 | In stock | $69.60 | ||
| SEME0103001E | 3.0 | R0.1 | 60.0 | 60.0 | 6.0 | 8.0 | 1-2 Weeks | $69.60 | ||
| SEME0103002E | 3.0 | R0.2 | 60.0 | - | 6.0 | 8.0 | 1-2 Weeks | $69.60 | ||
| SEME0103003E | 3.0 | R0.3 | 60.0 | - | 6.0 | 8.0 | 1-2 Weeks | $69.60 | ||
| SEME0103005E | 3.0 | R0.5 | 60.0 | - | 6.0 | 8.0 | Low stock | $69.60 | ||
| SEME0103010E | 3.0 | R1.0 | 60.0 | - | 6.0 | 8.0 | 1-2 Weeks | $69.60 | ||
| SEME0103501E | 3.5 | R0.1 | 70.0 | 70.0 | 6.0 | 10.0 | 1-2 Weeks | $72.30 | ||
| SEME0103502E | 3.5 | R0.2 | 70.0 | - | 6.0 | 10.0 | 1-2 Weeks | $72.30 | ||
| SEME0103503E | 3.5 | R0.3 | 70.0 | - | 6.0 | 10.0 | 1-2 Weeks | $72.30 | ||
| SEME0103505E | 3.5 | R0.5 | 70.0 | - | 6.0 | 10.0 | In stock | $72.30 | ||
| SEME01040014SE | 4.0 | R0.1 | 70.0 | 70.0 | 4.0 | 10.0 | 1-2 Weeks | $70.80 | ||
| SEME0104002E | 4.0 | R0.2 | 70.0 | - | 6.0 | 10.0 | 1-2 Weeks | $72.30 | ||
| SEME0104003E | 4.0 | R0.3 | 70.0 | - | 6.0 | 10.0 | 1-2 Weeks | $72.30 | ||
| SEME0104005E | 4.0 | R0.5 | 70.0 | - | 6.0 | 10.0 | In stock | $72.30 | ||
| SEME01040051004SE | 4.0 | R0.5 | 100.0 | - | 4.0 | 10.0 | In stock | $75.60 | ||
| SEME0104010E | 4.0 | R1.0 | 70.0 | - | 6.0 | 10.0 | 1-2 Weeks | $72.30 | ||
| SEME0104501E | 4.5 | R0.1 | 80.0 | 80.0 | 6.0 | 11.0 | 1-2 Weeks | $75.30 | ||
| SEME0104502E | 4.5 | R0.2 | 80.0 | - | 6.0 | 11.0 | 1-2 Weeks | $75.30 | ||
| SEME0104503E | 4.5 | R0.3 | 80.0 | - | 6.0 | 11.0 | 1-2 Weeks | $75.30 | ||
| SEME0104505E | 4.5 | R0.5 | 80.0 | - | 6.0 | 11.0 | In stock | $79.00 | ||
| SEME0105001E | 5.0 | R0.1 | 90.0 | 90.0 | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105002E | 5.0 | R0.2 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105003E | 5.0 | R0.3 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105005E | 5.0 | R0.5 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105010E | 5.0 | R1.0 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105501E | 5.5 | R0.1 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105502E | 5.5 | R0.2 | 90.0 | 90.0 | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105503E | 5.5 | R0.3 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105505E | 5.5 | R0.5 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0105510E | 5.5 | R1.0 | 90.0 | - | 6.0 | 13.0 | 1-2 Weeks | $78.50 | ||
| SEME0106001060E | 6.0 | R0.1 | 60.0 | 60.0 | 6.0 | 15.0 | 1-2 Weeks | $69.60 | ||
| SEME0106001E | 6.0 | R0.1 | 90.0 | - | 6.0 | 15.0 | 1-2 Weeks | $78.50 | ||
| SEME0106002060E | 6.0 | R0.2 | 60.0 | - | 6.0 | 15.0 | 1-2 Weeks | $69.60 | ||
| SEME0106002E | 6.0 | R0.2 | 90.0 | - | 6.0 | 15.0 | 1-2 Weeks | $78.50 | ||
| SEME0106003E | 6.0 | R0.3 | 90.0 | - | 6.0 | 15.0 | 1-2 Weeks | $78.50 | ||
| SEME0106005E | 6.0 | R0.5 | 90.0 | - | 6.0 | 15.0 | In stock | $78.50 | ||
| SEME0106005110E | 6.0 | R0.5 | 110.0 | - | 6.0 | 15.0 | 1-2 Weeks | $93.70 | ||
| SEME0106005130E | 6.0 | R0.5 | 130.0 | - | 6.0 | 15.0 | 1-2 Weeks | $101.10 | ||
| SEME0106010E | 6.0 | R1.0 | 90.0 | - | 6.0 | 15.0 | 1-2 Weeks | $78.50 | ||
| SEME0106010110E | 6.0 | R1.0 | 110.0 | - | 6.0 | 15.0 | In stock | $93.70 | ||
| SEME0106010130E | 6.0 | R1.0 | 130.0 | - | 6.0 | 15.0 | 1-2 Weeks | $101.10 | ||
| SEME0106015E | 6.0 | R1.5 | 90.0 | - | 6.0 | 15.0 | Low stock | $78.50 | ||
| SEME0106020E | 6.0 | R2.0 | 90.0 | - | 6.0 | 15.0 | Low stock | $78.50 | ||
| SEME0107001E | 7.0 | R0.1 | 90.0 | 90.0 | 8.0 | 16.0 | 1-2 Weeks | $121.10 | ||
| SEME0107002E | 7.0 | R0.2 | 90.0 | - | 8.0 | 16.0 | 1-2 Weeks | $121.10 | ||
| SEME0107003E | 7.0 | R0.3 | 90.0 | - | 8.0 | 16.0 | 1-2 Weeks | $121.10 | ||
| SEME0107005E | 7.0 | R0.5 | 90.0 | - | 8.0 | 16.0 | 1-2 Weeks | $121.10 | ||
| SEME0107020E | 7.0 | R2.0 | 90.0 | - | 8.0 | 16.0 | 1-2 Weeks | $121.10 | ||
| SEME0108001E | 8.0 | R0.1 | 100.0 | - | 8.0 | 20.0 | 1-2 Weeks | $126.20 | ||
| SEME0108002E | 8.0 | R0.2 | 100.0 | - | 8.0 | 20.0 | 1-2 Weeks | $126.20 | ||
| SEME0108003070E | 8.0 | R0.3 | 70.0 | 70.0 | 8.0 | 20.0 | 1-2 Weeks | $111.80 | ||
| SEME0108003E | 8.0 | R0.3 | 100.0 | - | 8.0 | 20.0 | In stock | $126.20 | ||
| SEME0108005070E | 8.0 | R0.5 | 70.0 | - | 8.0 | 20.0 | 1-2 Weeks | $111.80 | ||
| SEME0108005E | 8.0 | R0.5 | 100.0 | - | 8.0 | 20.0 | 1-2 Weeks | $126.20 | ||
| SEME0108005120E | 8.0 | R0.5 | 120.0 | - | 8.0 | 20.0 | 1-2 Weeks | $149.60 | ||
| SEME0108005150E | 8.0 | R0.5 | 150.0 | - | 8.0 | 20.0 | 1-2 Weeks | $169.00 | ||
| SEME0108010070E | 8.0 | R1.0 | 70.0 | - | 8.0 | 20.0 | 1-2 Weeks | $111.80 | ||
| SEME0108010E | 8.0 | R1.0 | 100.0 | - | 8.0 | 20.0 | In stock | $126.20 | ||
| SEME0108010120E | 8.0 | R1.0 | 120.0 | - | 8.0 | 20.0 | 1-2 Weeks | $149.60 | ||
| SEME0108010150E | 8.0 | R1.0 | 150.0 | - | 8.0 | 20.0 | 1-2 Weeks | $168.10 | ||
| SEME0108015E | 8.0 | R1.5 | 100.0 | - | 8.0 | 20.0 | 1-2 Weeks | $126.20 | ||
| SEME0108020E | 8.0 | R2.0 | 100.0 | - | 8.0 | 20.0 | 1-2 Weeks | $126.20 | ||
| SEME0108025E | 8.0 | R2.5 | 100.0 | - | 8.0 | 20.0 | 1-2 Weeks | $126.20 | ||
| SEME0108030E | 8.0 | R3.0 | 100.0 | - | 8.0 | 20.0 | Low stock | $126.20 | ||
| SEME0110001E | 10.0 | R0.1 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110002E | 10.0 | R0.2 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110003075E | 10.0 | R0.3 | 75.0 | 75.0 | 10.0 | 25.0 | 1-2 Weeks | $147.20 | ||
| SEME0110003E | 10.0 | R0.3 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110005075E | 10.0 | R0.5 | 75.0 | - | 10.0 | 25.0 | 1-2 Weeks | $147.20 | ||
| SEME0110005E | 10.0 | R0.5 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110005130E | 10.0 | R0.5 | 130.0 | - | 10.0 | 22.0 | 1-2 Weeks | $193.00 | ||
| SEME0110005150E | 10.0 | R0.5 | 150.0 | - | 10.0 | 22.0 | Low stock | $216.80 | ||
| SEME0110010075E | 10.0 | R1.0 | 75.0 | - | 10.0 | 25.0 | Low stock | $135.50 | ||
| SEME0110010E | 10.0 | R1.0 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110010130E | 10.0 | R1.0 | 130.0 | - | 10.0 | 22.0 | 1-2 Weeks | $193.00 | ||
| SEME0110010150E | 10.0 | R1.0 | 150.0 | - | 10.0 | 22.0 | In stock | $216.80 | ||
| SEME0110015E | 10.0 | R1.5 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110020E | 10.0 | R2.0 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110025E | 10.0 | R2.5 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0110030E | 10.0 | R3.0 | 100.0 | - | 10.0 | 25.0 | Low stock | $162.30 | ||
| SEME0110040E | 10.0 | R4.0 | 100.0 | - | 10.0 | 25.0 | 1-2 Weeks | $162.30 | ||
| SEME0111002E | 11.0 | R0.2 | 110.0 | 110.0 | 12.0 | 25.0 | 1-2 Weeks | $223.30 | ||
| SEME0111003E | 11.0 | R0.3 | 110.0 | - | 12.0 | 25.0 | 1-2 Weeks | $223.30 | ||
| SEME0111005E | 11.0 | R0.5 | 110.0 | - | 12.0 | 25.0 | 1-2 Weeks | $223.30 | ||
| SEME0111010E | 11.0 | R1.0 | 110.0 | - | 12.0 | 25.0 | 1-2 Weeks | $223.30 | ||
| SEME0111020E | 11.0 | R2.0 | 110.0 | - | 12.0 | 25.0 | 1-2 Weeks | $223.30 | ||
| SEME0112001E | 12.0 | R0.1 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112002E | 12.0 | R0.2 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112003080E | 12.0 | R0.3 | 80.0 | 80.0 | 12.0 | 30.0 | Low stock | $198.90 | ||
| SEME0112003E | 12.0 | R0.3 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112005080E | 12.0 | R0.5 | 80.0 | - | 12.0 | 30.0 | 1-2 Weeks | $198.90 | ||
| SEME0112005E | 12.0 | R0.5 | 110.0 | - | 12.0 | 30.0 | Low stock | $223.30 | ||
| SEME0112005130E | 12.0 | R0.5 | 130.0 | - | 12.0 | 30.0 | 1-2 Weeks | $241.40 | ||
| SEME0112005150E | 12.0 | R0.5 | 150.0 | - | 12.0 | 30.0 | 1-2 Weeks | $274.20 | ||
| SEME0112010080E | 12.0 | R1.0 | 80.0 | - | 12.0 | 30.0 | 1-2 Weeks | $198.90 | ||
| SEME0112010E | 12.0 | R1.0 | 110.0 | - | 12.0 | 30.0 | Low stock | $223.30 | ||
| SEME0112010130E | 12.0 | R1.0 | 130.0 | - | 12.0 | 30.0 | 1-2 Weeks | $241.40 | ||
| SEME0112010150E | 12.0 | R1.0 | 150.0 | - | 12.0 | 30.0 | Low stock | $274.00 | ||
| SEME0112015E | 12.0 | R1.5 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112020E | 12.0 | R2.0 | 110.0 | - | 12.0 | 30.0 | Low stock | $223.30 | ||
| SEME0112025E | 12.0 | R2.5 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112030E | 12.0 | R3.0 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112040E | 12.0 | R4.0 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0112050E | 12.0 | R5.0 | 110.0 | - | 12.0 | 30.0 | 1-2 Weeks | $223.30 | ||
| SEME0114005E | 14.0 | R0.5 | 150.0 | 150.0 | 12.0 | 35.0 | 1-2 Weeks | $455.80 | ||
| SEME0114010E | 14.0 | R1.0 | 150.0 | - | 16.0 | 35.0 | 1-2 Weeks | $455.80 | ||
| SEME0114020E | 14.0 | R2.0 | 150.0 | - | 16.0 | 35.0 | 1-2 Weeks | $455.80 | ||
| SEME0116005E | 16.0 | R0.5 | 150.0 | 150.0 | 16.0 | 32.0 | 1-2 Weeks | $537.30 | ||
| SEME0116010E | 16.0 | R1.0 | 150.0 | - | 16.0 | 32.0 | 1-2 Weeks | $537.30 | ||
| SEME0116015E | 16.0 | R1.5 | 150.0 | - | 16.0 | 32.0 | 1-2 Weeks | $537.30 | ||
| SEME0116020E | 16.0 | R2.0 | 150.0 | - | 16.0 | 32.0 | Low stock | $537.30 | ||
| SEME0120005E | 20.0 | R0.5 | 150.0 | 150.0 | 20.0 | 38.0 | 1-2 Weeks | $690.10 | ||
| SEME0120010E | 20.0 | R1.0 | 150.0 | - | 20.0 | 38.0 | 1-2 Weeks | $690.10 | ||
| SEME0120015E | 20.0 | R1.5 | 150.0 | - | 20.0 | 38.0 | 1-2 Weeks | $690.10 | ||
| SEME0120020E | 20.0 | R2.0 | 150.0 | - | 20.0 | 38.0 | 1-2 Weeks | $690.10 |
Add 4G MILL 4 Flute Multiple Helix Corner Radius End Mill (SEME01) to comparison
View ComparisonYG-1 4G MILL SEME01 is a carbide four-flute corner-radius end mill with Y-Coating and multiple-helix geometry. It is designed for machining prehardened steels up to HRc55 in mould and die applications. Multiple-helix geometry on diameters of 3 mm and above helps minimise vibration and cutting-edge wear. Smaller diameters below 3 mm use a 30° helix for compact milling work. The plain-shank selection spans 1 to 20 mm cutting diameters for varied component features. Selected variants provide corner radii from R0.05 to R0.5 for controlled edge transitions. Four flutes support efficient profiling and finishing where a radiused tool corner is required. The tool geometry supports strong cutting ability and wear resistance. This makes it suitable for precision mould components requiring durable edge geometry in prehardened steel.
| Cutting Shape | Corner Radius |
| Helix Angle | 30°, Multiple |
| Length | Extra Long |
| No. Flutes | 4 |
| Operation | Corner, Die Sinking, Facing, Helical-Interpol, Side Milling, Slotting, Small Part |
| Shank Type | Plain |
| Surface Treatment | YG-1 Y Coating |
| Tool Material | Carbide |
VDI 3323 recommendations for this tool.
Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.
| VDI | Work material | Recommendation | HB ref. | HRC ref. |
|---|---|---|---|---|
| 1 | PNon-alloy steel | Good | 125 | - |
| 2 | PNon-alloy steel | Good | 190 | 13 |
| 3 | PNon-alloy steel | Good | 250 | 25 |
| 4 | PNon-alloy steel | Excellent | 270 | 28 |
| 5 | PNon-alloy steel | Excellent | 300 | 32 |
| 6 | PLow-alloy steel | Good | 180 | 10 |
| 7 | PLow-alloy steel | Excellent | 275 | 29 |
| 8 | PLow-alloy steel | Excellent | 300 | 32 |
| 9 | PLow-alloy steel | Excellent | 350 | 38 |
| 10 | PHigh-alloy and tool steel | Good | 200 | 15 |
| 11 | PHigh-alloy and tool steel | Excellent | 325 | 35 |
| 15 | KGrey cast iron | Good | 180 | 10 |
| 16 | KGrey cast iron | Good | 260 | 26 |
| 17 | KNodular cast iron | Good | 160 | 3 |
| 18 | KNodular cast iron | Good | 250 | 25 |
| 19 | KMalleable cast iron | Good | 130 | - |
| 20 | KMalleable cast iron | Good | 230 | 21 |
| 38 | HHardened steel | Good | 550 | 55 |
| 40 | HChilled cast iron | Excellent | 400 | 42 |
| 41 | HHardened cast iron | Good | 550 | 55 |
No grades match your search.
HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.
Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.
Select the operation, workpiece material and tool diameter to calculate the recommended cutting parameters for this product.
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