Fukuda Seiko, Japan
Fukuda Seiko 4XLF 3S End Mill 4 Flutes (Extra long blade)
Made in Japan
Manufacturer: Fukuda Seiko
Model: 4XLF
The blade length is longer than the regular blade, and it is for deep groove and wide width shaving. With a center hole, regrinding is easy.
Material: HSS-Co (SKH56)
Lead angle: Right twist 30°
Blade diameter tolerance: 0 to +0.03