(G9D75) 4G Mill, X-Speed rougher, 4&5Flute Multiple Helix Corner Radius Roughing End Mill, Short Len

Carbide multiple helix corner radius rougher

YG-1 G9D75 product photograph · transparent
$82.72 INC GST $75.20 EX GST
SKU
G9D75060
Work materials
PMKN

Key features

  • Carbide construction with X coating
  • Multiple helix flute design supports chip evacuation and vibration reduction
  • Optimal roughing tooth profile reduces cutting forces
Surface treatment YG-1 X Coating
Mill Diameter (mm)
Corner Radius (mm)
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Reduce vibration

Multiple helix flute geometry promotes chip evacuation while reducing vibration in demanding roughing operations.

Cut with confidence

The optimised roughing tooth profile is designed to reduce cutting forces during high-feed heavy cutting.

Mill pockets effectively

Strong end teeth support plunge and pocket milling for practical roughing applications.

SKUMill Diameter (mm)Corner Radius (mm)Overall length (mm)Shank dia. (mm)FlutesLength of cut (mm)CAD filesStock Price Qty Add
G9D750606.0R0.5057.06.049.0STEPDXF In stock $75.20
G9D750808.0R0.5063.08.0412.0STEPDXF 1-2 Weeks $120.10
G9D7510010.0R0.5072.010.0415.0STEPDXF In stock $126.70
G9D7512012.0R0.5083.012.0418.0STEPDXF In stock $178.20
G9D7516016.0R1.092.016.0524.0STEPDXF In stock $341.47
G9D7520020.0R1.0104.020.0530.0STEPDXF Low stock $575.60

Add (G9D75) 4G Mill, X-Speed rougher, 4&5Flute Multiple Helix Corner Radius Roughing End Mill, Short Len to comparison

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Product Description

YG-1 G9D75 4G Mill X-Speed Rougher is a carbide corner radius roughing end mill with multiple helix flutes. It is designed for high-feed, heavy cutting, including plunge and pocket milling operations. Unique flute geometry supports chip evacuation while reducing vibration during demanding roughing work. An optimal roughing tooth profile reduces cutting forces, while strong end teeth support plunge milling. Available variants cover 6 to 20 mm diameters, R0.5 or R1.0 corners, and four or five flutes. Each G9D75 tool has a plain shank and X coating. The short-length format provides a focused option within the G9D75 roughing family. Material guidance identifies strong suitability across steels, stainless steel and cast iron.

  • Carbide construction with X coating
  • Multiple helix flute design supports chip evacuation and vibration reduction
  • Optimal roughing tooth profile reduces cutting forces
  • Strong end tooth design supports plunge and pocket milling
  • Plain-shank short-length series from 6 to 20 mm
  • Four and five flute configurations with corner radii from R0.5 to R1.0
Product Data
Cutting Shape Corner Radius
Length Short
No. Flutes 5
Surface Treatment YG-1 X Coating

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

11 grades
Non-alloy steel
ExcellentVDI 3–5
GoodVDI 1–2
Low-alloy steel
ExcellentVDI 7–9
GoodVDI 6
High-alloy and tool steel
ExcellentVDI 11
GoodVDI 10

Cast iron

6 grades
Grey cast iron
ExcellentVDI 15–16
Nodular cast iron
ExcellentVDI 17–18
Malleable cast iron
ExcellentVDI 19–20

Stainless steel

3 grades
Stainless steel
GoodVDI 12–14

Non-ferrous materials

3 grades
Copper, bronze and brass
GoodVDI 26–28
VDI grade reference23 grades

Individual grade ratings and nominal hardness references. Base grades and decimal subgrades are listed separately.

Recommended VDI grades and nominal hardness references
VDIWork materialRecommendationHB ref.HRC ref.
1PNon-alloy steelGood125-
2PNon-alloy steelGood19013
3PNon-alloy steelExcellent25025
4PNon-alloy steelExcellent27028
5PNon-alloy steelExcellent30032
6PLow-alloy steelGood18010
7PLow-alloy steelExcellent27529
8PLow-alloy steelExcellent30032
9PLow-alloy steelExcellent35038
10PHigh-alloy and tool steelGood20015
11PHigh-alloy and tool steelExcellent32535
12MStainless steelGood20015
13MStainless steelGood24023
14MStainless steelGood18010
15KGrey cast ironExcellent18010
16KGrey cast ironExcellent26026
17KNodular cast ironExcellent1603
18KNodular cast ironExcellent25025
19KMalleable cast ironExcellent130-
20KMalleable cast ironExcellent23021
26NCopper, bronze and brassGood110-
27NCopper, bronze and brassGood90-
28NCopper, bronze and brassGood100-

HB and HRC values are nominal catalogue references. Grade subdivisions can vary between catalogues.

Recommendations apply to the listed VDI grades. Unlisted grades have no stated recommendation.

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