E140HX Multipurpose End Mills

July 22,2022

Unequal Flutes, Variable Helix Geometry

Outstanding Anti-Vibration Under High Speed Machining


Efficient chipping removal

Cutting Chips

Cutting Chips

2XD Slotting

2XD Slotting

Unequal flutes and variable helix can greatly suppress vibration.
Additionally, special design of chip slot perfectly increases the capacity for chip removal and achieve stable slotting machining.

Tool E140HX Ø12
Work Piece S50 (about 20HRC)
Milling Method Slotting
RPM 3180 rev/min
Cutting Speed 120 m/min
Feed 900 mm/min
feed 0.07 mm/tooth
Milling Depth Ap : 20 mm Ae : 12 mm
Coolant air cooling

Wear Resistance

Stable Machining For Long Time

Tool E140HX Ø10
Work Piece S50 (about 20HRC)
Milling Method Side Milling
RPM 3650 rev/min
Cutting Speed 114 m/min
Feed 770 mm/min
feed 0.052 mm/tooth
Milling Depth Ap : 20 mm Ae : 1 mm
Coolant air cooling

With the same test condition, the abrasion rate of E140HX from 7Leaders is 30% lower than the competitor brand.
By comparing the pictures of the cutting edge, E140HX reliably shows excellent wear resistance.