(GMG56) V7 Plus Carbide, 4Flute Multi Helix Ball Bose End Mill, Long length, Flat Shank

Long-Length Four-Flute Ball Nose End Mill

(GMG56) V7 Plus Carbide, 4Flute Multi Helix Ball Bose End Mill, Long length, Flat Shank
$890.23 INC GST $809.30 EX GST
SKU
GMG56250
Work materials
PMKS

Key features

  • Carbide four-flute ball nose end mill
  • Long-length design with flat shank
  • 35°/37° multiple helix geometry
Mill Diameter (mm)
Ball Nose Radius (mm)
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Reduced vibration

Special flute geometry and multiple helix are designed to help eliminate machining vibration.

Broad material suitability

Specified for stainless steels, mild steels, cast iron and materials below HRc40.

Useful size coverage

Ten flat-shank options cover 3 to 25 mm mill diameters.

SKUMill Diameter (mm)Ball Nose Radius (mm)Overall length (mm)Shank dia. (mm)Length of cut (mm)Stock Price Qty Add
GMG560303.0R1.557.06.08.0 1-2 Weeks $72.10
GMG560404.0R2.057.06.011.0 1-2 Weeks $72.10
GMG560505.0R2.557.06.013.0 1-2 Weeks $72.10
GMG560606.0R3.057.06.013.0 In stock $72.10
GMG560808.0R4.063.08.019.0 In stock $101.10
GMG5610010.0R5.072.010.022.0 1-2 Weeks $159.00
GMG5612012.0R6.083.012.026.0 1-2 Weeks $192.80
GMG5616016.0R8.092.016.032.0 1-2 Weeks $318.70
GMG5620020.0R10.0104.020.038.0 1-2 Weeks $572.60
GMG5625025.0R12.5104.025.038.0 1-2 Weeks $809.30

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  • Overview
  • Specifications
  • Work Material
  • Speeds & Feeds
  • Reviews
Application
Product Description

YG-1 V7 Plus GMG56 is a carbide four-flute ball nose end mill with long-length flat shank geometry. Designed with 35°/37° multiple helix and special flute geometry, it helps eliminate vibration during machining. The GMG56 series suits stainless steels, mild steels, cast iron, and low-to-medium hardness materials below HRc40. Available diameters run from 3 to 25 mm, with ball nose radii from R1.5 to R12.5. Lengths of cut span 8 to 38 mm, while overall lengths span 57 to 104 mm. Shank diameters range from 6 to 25 mm across the supported GMG56 size family. The flat shank family includes ten listed sizes for practical tool selection.

  • Carbide four-flute ball nose end mill
  • Long-length design with flat shank
  • 35°/37° multiple helix geometry
  • Special flute geometry helps eliminate vibration
  • Suitable for stainless steel mild steel and cast iron
  • 3 to 25 mm diameters with R1.5 to R12.5 ball radii
Product Data
Cutting Shape Ball Nose
Length Long
No. Flutes 4
EDP No. Radius (R) Mill Diameter (D1) ShankDia (D2) Length of Cut (L1) Overall Length (L2) Mill Dia. Tolerance Shank Dia. Tolerance No. of Flute GMG56030 R1.5 3 6 8 57 0~-0.02 h5 4 GMG56040 R2.0 4 6 11 57 0~-0.02 h5 4 GMG56050 R2.5 5 6 13 57 0~-0.02 h5 4 GMG56060 R3.0 6 6 13 57 0~-0.02 h5 4 GMG56080 R4.0 8 8 19 63 0~-0.02 h5 4 GMG56100 R5.0 10 10 22 72 0~-0.02 h5 4 GMG56120 R6.0 12 12 26 83 0~-0.02 h6 4 GMG56160 R8.0 16 16 32 92 0~-0.030 h6 4 GMG56200 R10.0 20 20 38 104 0~-0.030 h6 4 GMG56250 R12.5 25 25 38 104 0~-0.030 h6 4

Work materials

VDI 3323 recommendations for this tool.

ExcellentGood

Steel

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

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
ExcellentVDI 12–14

Superalloys & titanium

7 grades
Heat-resistant superalloys
GoodVDI 31–35
Titanium alloys
GoodVDI 36–37
VDI grade reference27 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 steelExcellent125-
2PNon-alloy steelExcellent19013
3PNon-alloy steelExcellent25025
4PNon-alloy steelExcellent27028
5PNon-alloy steelExcellent30032
6PLow-alloy steelExcellent18010
7PLow-alloy steelExcellent27529
8PLow-alloy steelExcellent30032
9PLow-alloy steelExcellent35038
10PHigh-alloy and tool steelExcellent20015
11PHigh-alloy and tool steelExcellent32535
12MStainless steelExcellent20015
13MStainless steelExcellent24023
14MStainless steelExcellent18010
15KGrey cast ironExcellent18010
16KGrey cast ironExcellent26026
17KNodular cast ironExcellent1603
18KNodular cast ironExcellent25025
19KMalleable cast ironExcellent130-
20KMalleable cast ironExcellent23021
31SHeat-resistant superalloysGood20015
32SHeat-resistant superalloysGood28030
33SHeat-resistant superalloysGood25025
34SHeat-resistant superalloysGood35038
35SHeat-resistant superalloysGood32034
36STitanium alloysGood--
37STitanium alloysGood--

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.

Cutting Speeds and Feeds

Select the operation, workpiece material and tool diameter to calculate the recommended cutting parameters for this product.

Machining calculator

Cutting speeds and feeds for (GMG56) V7 Plus Carbide, 4Flute Multi Helix Ball Bose End Mill, Long length, Flat Shank

Choose the machining conditions below, then calculate the recommended spindle speed and feed rate.

Recommended parameters

Parameter Value Unit
Spindle speed – rev/min
Feed rate – mm/min
Cutting speed (Vc) – m/min
Feed per tooth (fz) – mm/tooth

Choose your options and calculate the recommended parameters.

EDP No. Radius (R) Mill Diameter (D1) ShankDia (D2) Length of Cut (L1) Overall Length (L2) Mill Dia. Tolerance Shank Dia. Tolerance No. of Flute GMG56030 R1.5 3 6 8 57 0~-0.02 h5 4 GMG56040 R2.0 4 6 11 57 0~-0.02 h5 4 GMG56050 R2.5 5 6 13 57 0~-0.02 h5 4 GMG56060 R3.0 6 6 13 57 0~-0.02 h5 4 GMG56080 R4.0 8 8 19 63 0~-0.02 h5 4 GMG56100 R5.0 10 10 22 72 0~-0.02 h5 4 GMG56120 R6.0 12 12 26 83 0~-0.02 h6 4 GMG56160 R8.0 16 16 32 92 0~-0.030 h6 4 GMG56200 R10.0 20 20 38 104 0~-0.030 h6 4 GMG56250 R12.5 25 25 38 104 0~-0.030 h6 4

Video

V7 Plus Endmills

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Long-length four-flute carbide ball nose end mill
From $59.05INC GST
From $53.69 EX GST
Available in Mill Diameter (mm)
4.0 5.0 6.0 +5
In stock
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