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EN Tungsten carbide Comer Radius End Mill is a cutting tool for machining planes, contours and grooves. Its blade is designed to be round, combining the characteristics of flat end mills and ball end mills.
Widely used in mold manufacturing, aerospace, automotive industry and other fields.
Suitable for machining various metal materials such as steel, stainless steel, cast iron, aluminum alloy, etc.

| 单位Unit:mm | ||||||
| Model | Diameter D | Radius R | Cutting Length | Shank D2 | Overall Length | L2 |
| Standard | YBD-4F-01002030450 | 1 | 0.2 | 3 | 4 | 50 |
| YBD-4F-015002050450 | 1.5 | 0.2 | 5 | 4 | 50 | |
| YBD-4F-02002060450 | 2 | 0.2 | 6 | 4 | 50 | |
| YBD-4F-02005060450 | 2 | 0.5 | 6 | 4 | 50 | |
| YBD-4F-025002080450 | 2.5 | 0.2 | 8 | 4 | 50 | |
| YBD-4F-025005080450 | 2.5 | 0.5 | 8 | 4 | 50 | |
| YBD-4F-03002090350 | 3 | 0.2 | 9 | 3 | 50 | |
| YBD-4F-03002090450 | 3 | 0.2 | 9 | 4 | 50 | |
| YBD-4F-03005090350 | 3 | 0.5 | 9 | 3 | 50 | |
| YBD-4F-03005090450 | 3 | 0.5 | 9 | 4 | 50 | |
| YBD-4F-035005110450 | 3.5 | 0.5 | 11 | 4 | 50 | |
| YBD-4F-04002100450 | 4 | 0.2 | 10 | 4 | 50 | |
| YBD-4F-04005100450 | 4 | 0.5 | 10 | 4 | 50 | |
| YBD-4F-05005130550 | 5 | 0.5 | 13 | 5 | 50 | |
| YBD-4F-05005130650 | 5 | 0.5 | 13 | 6 | 50 | |
| YBD-4F-0501130550 | 5 | 1 | 13 | 5 | 50 | |
| YBD-4F-0501130650 | 5 | 1 | 13 | 6 | 50 | |
| YBD-4F-06002150650 | 6 | 0.2 | 15 | 6 | 50 | |
| YBD-4F-06003150650 | 6 | 0.3 | 15 | 6 | 50 | |
| YBD-4F-06005150650 | 6 | 0.5 | 15 | 6 | 50 | |
| YBD-4F-0601150650 | 6 | 1 | 15 | 6 | 50 | |
| YBD-4F-08005200860 | 8 | 0.5 | 20 | 8 | 60 | |
| YBD-4F-0801200860 | 8 | 1 | 20 | 8 | 60 | |
| YBD-4F-0802200860 | 8 | 2 | 20 | 8 | 60 | |
| YBD-4F-10005251075 | 10 | 0.5 | 25 | 10 | 75 | |
| YBD-4F-1001251075 | 10 | 1 | 25 | 10 | 75 | |
| YBD-4F-1002251075 | 10 | 2 | 25 | 10 | 75 | |
| YBD-4F-1003251075 | 10 | 3 | 25 | 10 | 75 | |
| YBD-4F-12005301275 | 12 | 0.5 | 30 | 12 | 75 | |
| YBD-4F-1201301275 | 12 | 1 | 30 | 12 | 75 | |
| YBD-4F-1202301275 | 12 | 2 | 30 | 12 | 75 | |
| YBD-4F-1203301275 | 12 | 3 | 30 | 12 | 75 | |
| Orcustomized | ||||||
| 单位Unit:mm | ||||||
| Model | Diameter D | Radius R | Cutting Length L | Shank D2 | Overall Length | L2 |
| Extra Long | YBD-4F-03005120375 | 3 | 0.5 | 12 | 3 | 75 |
| YBD-4F-04005160475 | 4 | 0.5 | 16 | 4 | 75 | |
| YBD-4F-05005180575 | 5 | 0.5 | 18 | 5 | 75 | |
| YBD-4F-06005240675 | 6 | 0.5 | 24 | 6 | 75 | |
| YBD-4F-08005250875 | 8 | 0.5 | 25 | 8 | 75 | |
| YBD-4F-040052004100 | 4 | 0.5 | 20 | 4 | 100 | |
| YBD-4F-04012004100 | 4 | 1 | 20 | 4 | 100 | |
| YBD-4F-050053005100 | 5 | 0.5 | 30 | 5 | 100 | |
| YBD-4F-05013005100 | 5 | 1 | 30 | 5 | 100 | |
| YBD-4F-060053006100 | 6 | 0.5 | 30 | 6 | 100 | |
| YBD-4F-06013006100 | 6 | 1 | 30 | 6 | 100 | |
| YBD-4F-080053508100 | 8 | 0.5 | 35 | 8 | 100 | |
| YBD-4F-08013508100 | 8 | 1 | 35 | 8 | 100 | |
| YBD-4F-100054010100 | 10 | 0.5 | 40 | 10 | 100 | |
| YBD-4F-10014010100 | 10 | 1 | 40 | 10 | 100 | |
| YBD-4F-120054512100 | 12 | 0.5 | 45 | 12 | 100 | |
| YBD-4F-12014512100 | 12 | 1 | 45 | 12 | 100 | |
| YBD-4F-080055008150 | 8 | 0.5 | 50 | 8 | 150 | |
| YBD-4F-08015008150 | 8 | 1 | 50 | 8 | 150 | |
| YBD-4F-100055510150 | 10 | 0.5 | 55 | 10 | 150 | |
| YBD-4F-10015510150 | 10 | 1 | 55 | 10 | 150 | |
| YBD-4F-120055512150 | 12 | 0.5 | 55 | 12 | 150 | |
| YBD-4F-12015512150 | 12 | 1 | 55 | 12 | 150 | |
| Orcustomized | ||||||