(GM839) X-Power Pro Carbide 4Flute Corner Radius End Mill, Stub Length

  • $63.03INC GST $57.30 EX GST
(GM839) X-Power Pro Carbide 4Flute Corner Radius End Mill, Stub Length
(GM839) X-Power Pro Carbide 4Flute Corner Radius End Mill, Stub Length

(GM839) X-Power Pro Carbide 4Flute Corner Radius End Mill, Stub Length

  • $63.03INC GST $57.30 EX GST

Code: GM839030

P K H
    Key Features
  • 4 flutes with 30° helix for stable chip evacuation and smooth cutting
  • Stub length for maximum rigidity in shallow features and slotting
  • Corner radius edges reduce chipping and improve edge strength
Mill Diameter (mm)
Corner Radius (mm)
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SKUMill Diameter (mm)Corner Radius (mm)Overall length (mm)Shank dia. (mm)FlutesLength of cut (mm)Length below shank (mm)Neck dia. (mm)Stock Price Qty Add
GM8390303.0R0.350.06.044.07.02.8 Low stock $57.30
GM8390404.0R0.450.06.045.09.03.7 5 days $76.40
GM8390808.0R0.860.08.0410.018.07.4 5 days $97.70
GM83910010.0R1.070.010.0412.025.09.4 In stock $114.00
GM83912012.0R1.280.012.0415.030.011.4 In stock $148.90

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  • Overview
  • Specifications
  • Operation
  • Work Material
  • Reviews
Product Description

X-POWER PRO 4 Flute 30° Helix Stub Corner Radius End Mill GM839 delivers rigid, precise milling. Advanced ‘Z Coating’ with an ultrafine micrograin carbide substrate supports long life in wet or dry cutting. It machines steels, stainless steel, cast iron, and hardened steels to 55 Rockwell with consistent accuracy. Diameters span 2–12 mm, with 20–30% longer life and over 20% faster cutting versus X-Power.

  • 4 flutes with 30° helix for stable chip evacuation and smooth cutting
  • Stub length for maximum rigidity in shallow features and slotting
  • Corner radius edges reduce chipping and improve edge strength
  • Advanced ‘Z Coating’ and ultrafine micrograin carbide extend tool life
  • Performs in steels hardened steels to 55 Rockwell stainless steel and cast iron
  • 2–12 mm diameter range with faster cutting and improved finish versus X-Power
Product Data
Workpiece Material P K H
Cutting Shape Corner Radius
Hardened Steels(HRc40~45) Excellent
Helix Angle Square 30
Length Stub
No. Flutes 4
Operation Corner, Die Sinking, Facing, Helical-Interpol, Side Milling, Slotting, Small Part
Shank Type Plain
Surface Treatment YG-1 Y Coating
Tool Material Carbide
Flutes 4
Helix Angle 30°
Cutting Edge Shape CORNER RADIUS
Size Min D2.0
Size Max D12.0
Length

Stub Length
Coating Y-Coating

Side Milling
Small Part
Slotting
Die Sinking
Facing
Corner
Helical Interpol
P Carbon Steels

Great

Good Great Excellent
P Alloy Steels

Excellent

Good Great Excellent
P Prehardened Steels

Excellent

Good Great Excellent
K Cast Iron

Great

Good Great Excellent
H Hardened Steels (HRc40~45)

Excellent

Good Great Excellent
H Hardened Steels (HRc45~55)

Great

Good Great Excellent
P

Non-alloy steel

Excellent Excellent
HRc
13252832
HB
125190250270300
P

Low alloy steel

Excellent Excellent
HRc
10293238
HB
180275300350
P

High alloy & tool steel

Excellent Excellent
HRc
1535
HB
200325
K

Grey cast iron

Good Good
HRc
1026
HB
180260
K

Nodular cast iron

Good Good
HRc
325
HB
160250
K

Malleable cast iron

Good Good
HRc
21
HB
130230
H

Hardened steels & cast irons

Excellent Excellent
HRc
384041
HB
400630

Excision is now the exclusive distributor of YG-1 in Australia & New Zealand

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