Fukuda Seiko, Japan
Fukuda Seiko 4LS-BE Long Shank, 4-Flute Ball End Mill
Made in Japan
Manufacturer: Fukuda Seiko
Model: 4LS-BE
It has higher rigidity than 2-flute, so it has excellent finish dimension retention.
Material: HSS-Co (SKH57)
Lead angle: Right twist 30°
Blade diameter tolerance: 0 to -0.03
R tolerance: ±0.025
| R. | Blade diameter (φD) | Blade length ( ) | Overall length (L) | Shank diameter (φd) |
| 15.5 | 31 | 80 | 300 | 32 |
| 16 | 32 | |||
| 16.5 | 33 | |||
| 17 | 34 | |||
| 17.5 | 35 | |||
| 18 | 36 | |||
| 18.5 | 37 | |||
| 19 | 38 | 100 | 320 | |
| 19.5 | 39 | |||
| 20 | 40 | |||
| 21 | 42 | 42 | ||
| 22 | 44 | |||
| 22.5 | 45 | 125 | ||
| 23 | 46 | |||
| 24 | 48 | |||
| 25 | 50 |
