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X-Speed Rougher End Mills

Extreme and silent metal removal in steel and cast iron rough milling

Silent roughing with 2-3 times faster metal removal rates compared to 4 flute HPC style end mills.

★★★★★

Diameter
Range (mm)

Metal Removal
Rates

Material Versatility

Cutting
Resistance

Surface
Finish

High Accuracy Machining

Square Shoulder Milling

Chip
Control

6-20 ★★★★★ ★★☆☆☆ ★★★★★ ★★★☆☆ ★★★☆☆ ★★★★★ ★★★★★

Browse the Range

4-5 Flute Corner Radius

4-5 Flute Reduced Neck Corner Radius

Advantages

Extreme Roughing

First choice for maximum metal removal rates in low carbon steels alloy steels pre-hardened steel (up to HRC45) and cast iron

Silent Machining

Strong core and special cutter geometry reduce harmonics and eliminate vibration

Ultimate Tool Life

Premium micrograin carbide substrate combined with X1100 coating improves performance

Cost Efficient

Large depths of cut plus high feed rates reduce cycle times

Features

Special Pitch

Variable pitch reduces vibration and cutting forces allowing large depths of cut and high feed rates

Swarf Control

Special uneven ripper tooth design breaks swarf down improving chip flow

Strong Cutting Edge

Corner radius geometry strengthens cutting edges reducing risk of premature failure

Versatile Performance

Excels in slotting, shouldering, plunge and pocket milling due to strong tooth end design

Double Core Geometry

GMG40 & GMG41 Series

UNIQUE FLUTE DESIGN for excellent chip evacuation and higher rigidity. Adds stability, aids chip flow and prevents flute clogging in sticky metals.

Section X-X'
Excellent chip evacuation

Section Y-Y'
Higher Rigidity

Application

Material Suitability

Material Excellent Good
P
Steel
H
Hardened Steel
M
Stainless Steel
S
HRSA's
K
Cast Iron
N
Aluminium & Non-Ferrous

Possible Machining Methods

Trochoidal (need icon)

Facing

Shouldering

Slotting

Helical

Example Cutting Data

Ø16mm, 5 Flute, G9D75160
Side Cutting - Alloy Steel HRC30
Ø16mm, 5 Flute, G9D75160
Slotting - Alloy Steel HRC30
Ø12mm, 4 Flute, G9D75120
Side Cutting - Pre-Hardened Steel HRC45
Ø12mm, 4 Flute, G9D75120
Slotting - Pre-Hardened Steel HRC45
RPM 6,000 4,500 7,100 5,400
VC (m/min) 300 225 270 205
fz (mm/tooth) 0.082 0.067 0.065 0.053
Feed (mm/min) 2,450 1,500 1,850 1,140
Depth of Cut (AP) 16mm 16mm 12mm 9.6mm
Depth of Cut (AE) 8mm 16mm 4.2mm 12mm

Downloads

Full Product PDF