CUTTING TOOLS
Stellram® Cutting Tools
NEW HIGH FEED 7793VXO12
DOUBLE SIDED INSERT
MILLING CUTTER SYSTEM
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FD
Double Sided High Feed Milling Cutters
Silver satin plated surface & Improved heat treatment
Improved body strength
Better core strength
Enhanced wear resistance of the body surface
High variability due to the different cutter bodies
Modular heads ø 32 mm
Cylindrical shank ø 32 to 40 mm
Shell mills ø 50 to 125 mm
8 Double sided cutting edges
Maximum productivity with economical cost per edge
Cost reduction per component
ap max = 2,50 mm
New chip flute design
Improved chip ejection
Highest performance
Due to Stellram patented X-grades
Extremely powerful standard grades like SP6919
7793VXO12
Features & Benefits
This is a permanent screw required for coolant hole flow
designed for cylindrical shanks and modular head. Please
don’t remove this screw
Size and geometry
Newest geometrical High Feed concept XOGU12...-GU52
Maximum metal removal rates
Superior wall and floor surface finish capabilities
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7793VXO Series
High Feed Milling Cutter
7790VXO12:
Diameter Range Shell Mill Cutters:
Dia. 50mm – 125mm
Cylindrical Shank Cutters:
Dia. 32mm – 40-mm
Modular Head Cutters:
Dia. 32mm
HIGH FEED CUTTER WITH DOUBLE SIDED INSERTS
7793VXO12 is our newest, patented, high feed cutter range. Featuring double sided
inserts with eight cutting edges, providing a cost effective machining and maximum
efciency.
This range is specically developed for face milling applications providing high feed rates
for maximum productivity.
The unique geometrical design concept and insert positioning is ideal for achieving
maximum metal removal. This combined with our premium grade and positive geometries,
these cutters are an ideal solution for face milling applications when used on ‘high
performance’ materials.
Additionally, due to the wiper facet incorporated in the insert geometry, we are able to
provide superior wall and oor surface nished capabilities through roughing operations in
comparison with other high feed solutions.
Applications:
7793VXO cutters are particularly qualied to machine all known metals such as Unalloyed
Steels, Alloyed Steels, Tool Steels, Stainless Steels, High Temperature Alloys and
Titanium, when utilising our GU52 double sided insert with 8 cutting edges. Due to its
positive geometry design and reinforced edge, this geometry provides a smooth cutting
action and longer tool life in all challenging machining applications. The 8 effective cutting
edges result in lower cost per edge and maximum efciency.
7793VXO
Facing
Shoulder/
Profiling/
Slotting
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2
5675991 7793VXO12SA032Z2R43 32 43 M16 17,00 2,50 2 5672417 DP4012T 5673344 TP15 3,10
5675962 7793VXO12CA032Z02R070 32 250 70 32 2,50 2 5672417 DP4012T 5673344 TP15 3,10
5675992 7793VXO12CA040Z03R070 40 250 70 32 2,50 3 5672417 DP4012T 5673344 TP15 3,10
5675961 7793VXO12-A050Z04R 50 40 - 22 2,50 4 5672417 DP4012T 5673344 TP15 3,10
5675988 7793VXO12-A050Z05R 50 40 - 22 2,50 5 5672417 DP4012T 5673344 TP15 3,10
5676119 7793VXO12-A063Z05R 63 40 - 22 2,50 5 5672417 DP4012T 5673344 TP15 3,10
5676150 7793VXO12-A063Z07R 63 40 - 22 2,50 7 5672417 DP4012T 5673344 TP15 3,10
5676105 7793VXO12-A080Z06R 80 50 - 27 2,50 6 5672417 DP4012T 5673344 TP15 3,10
5676151 7793VXO12-A080Z09R 80 50 - 27 2,50 9 5672417 DP4012T 5673344 TP15 3,10
5676142 7793VXO12-A100Z06R 100 50 - 32 2,50 6 5672417 DP4012T 5673344 TP15 3,10
5675989 7793VXO12-A100Z10R 100 50 - 32 2,50 10 5672417 DP4012T 5673344 TP15 3,10
5675990 7793VXO12-A125Z08R 125 63 - 40 2,50 8 5672417 DP4012T 5673344 TP15 3,10
M
L
D
d1
H
D
D
L
I1
d1
d1
5675962 7793VXO12CA032Z2R070 17,53 32500
5675992 7793VXO12CA040Z3R070 25,53 26500
5675961 7793VXO12-A050Z04R 35,53 22500
5675988 7793VXO12-A050Z05R 35,53 22500
5676119 7793VXO12-A063Z05R 48,53 19000
5676150 7793VXO12-A063Z07R 48,53 19000
5676105 7793VXO12-A080Z06R 65,53 16000
5676151 7793VXO12-A080Z09R 65,53 16000
5676142 7793VXO12-A100Z06R 85,43 14000
5675989 7793VXO12-A100Z10R 85,43 14000
5675990 7793VXO12-A125Z08R 110,43 12500
5675991 7793VXO12SA032Z2R43 17,53 32500
Note: For cylindrical shank entensions in high density alloy with through coolant, refer to page 5.
7793VXO12 Modular Head
Depth of Cut (
ap
)
7793VXO12 Cylindrical Shank
7793VXO12 Shell Mill Fixation - Medium and Fine Pitch
Shell Mill Fixation
Modular Head
Cylindrical Shank
Product Dimensions (mm) Spares
Order
Number Item Description D L/H l1d1ap
max
No. of
Teeth
Order
Number
Order
Number
Screw
Tightening
Nm
Product Dimensions (mm) Spares
Order
Number Item Description D L/H M d1ap
max
No. of
Teeth
Order
Number
Order
Number
Screw
Tightening
Nm
7793VXO12 Technical Information (mm)
Product Dimensions
Max RPM
Order
Number Item Description Flat Face
ap
7793VXO12
High Feed Milling Cutter
Generated Flat Face
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PPMMK N SH
5654090 XOGU120512ER-GU52 X500 12,70 12,70 5,56 1,20 0,05
5652817 XOGU120512ER-GU52 SP6519 12,70 12,70 5,56 1,20 0,05
5652818 XOGU120512ER-GU52 SC6525 12,70 12,70 5,56 1,20 0,05
d
l
rs
PPMMKS
XOGU12-GU52
GU52
Material Guide Key to Recommended Inserts
Material Designation
Alloyed Steels PH Stainless Aluminum & Alloys High Temp. Alloys Hard MaterialsUnalloyed Steels Stainless Steels Cast Irons
Product Application & Material Dimensions (mm)
Order
Number Item Description Grade
Facing Slotting
d (IC) l s r
hm
min
Depth of Cut (mm)
ap max. 2,50 ap max. 1,80
Machining Choice: 1st Choice 2nd Choice 3rd Choice | Material Guide Key descriptions found below.
7793VXO12
Milling Inserts, Geometry & Grades
Note: Feed & Speed recommendations can be found on page 4.
Geometry
GU52: This NEW square style, double sided 8 cutting edges High Feed Geometry with
positive rake face, is designed for rough face milling applications.
Due to its positive geometry design and reinforced edge, this geometry provides a
smooth cutting action and longer tool life in all difficult machining applications.
The 8 effective cutting edges result in lower cost per edge and maximum efficiency. 
This geometry is specifically designed for high feed machining in all materials such as
High Temperature Alloys, Titanium, Stainless Steel, Steel, Steel Alloys and Cast Iron.
SC6525 Universal High Performance Grade
Coating Type: CVD, TiN-TiCN-Al2O3 – High Performance Machining at elevated
surface speeds.
X500 Premium Grade
Coating Type: CVD, TiN-TiC-TiN – High level of shock resistance; operates at low to
medium cutting speeds; high metal removal rates.
Coating Type: PVD, TiAlN – Super nano coating is extremely hard for unmatched
performance and virtually eliminates residual stress.
SP6519 Universal High Performance Grade
High Feed Grades
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4
P
 
130 - 270
 
130 - 295
 
140 - 370
115 - 240 115 - 260 120 - 325
 
100 - 210
 
100 - 230
 
105 - 290
75 - 160 75 - 175 80 - 210
50 - 100 50 - 110 50 - 140
-- +
M
 
115 - 250
 
115 - 270
140 - 310
100 - 220 105 - 235 120 - 250
50 - 110 50 - 120
K 
120 - 280
 
140 - 295
145 - 390
105 - 205 110 - 240 115 - 305
95 - 170 100 - 220
N
S
23 - 48
23 - 55
21 - 44 22 - 48
24 - 51 25 - 55
35 - 73 36 - 79
H
ER-GU52 X500 0,50 - 2,10 0,50 - 1,80 0,50 - 1,40 0,50 - 1,00 0,50 - 1,80 0,50 - 1,70 0,50 - 1,70 - - 0,40 - 0,80 0,40 - 0,80 0,40 - 0,80 0,40 - 1,00 - -
ER-GU52 X500 0,50 - 1,80 0,50 - 1,60 0,50 - 1,10 0,50 - 0,80 0,50 - 1,60 0,50 - 1,50 0,50 - 1,50 - - 0,30 - 0,60 0,30 - 0,60 0,30 - 0,60 0,30 - 0,80 - -
ER-GU52 SP6519 0,50 - 2,00 0,50 - 1,70 0,50 - 1,30 0,50 - 0,80 0,50 - 1,70 0,50 - 1,60 0,50 - 1,60 - - 0,40 - 0,70 0,40 - 0,70 0,40 - 0,70 0,40 - 0,80 - -
ER-GU52 SP6519 0,50 - 1,70 0,50 - 1,50 0,50 - 1,00 0,50 - 0,60 0,50 - 1,50 0,50 - 1,40 0,50 - 1,40 - - 0,30 - 0,50 0,30 - 0,50 0,30 - 0,50 0,30 - 0,60 - -
ER-GU52 SC6525 0,50 - 2,00 0,50 - 1,70 0,50 - 1,30 - 0,50 - 1,70 0,50 - 1,60 - - - - - - - - -
ER-GU52 SC6525 0,50 - 1,70 0,50 - 1,50
0,50 - 1,00 -
0,50 - 1,50 0,50 - 1,40
---------
Speed vc (m/min)
7793VXO Series
Speed min. - max.
Coolant Recommendation CVD
X Grade
PVD
Standard
CVD
Standard
ISO Materials Rm and
Hardness
X500 SP6519 SC6525
Wear Resistance
Recommended Possible
Unalloyed
Steel
<600 N/mm2
<180 HBN
<950 N/mm2
<280 HBN
Alloyed
Steel
700-950 N/mm2
200-280 HBN
950-1200 N/mm2
280-355 HBN
1200-1400 N/mm2
355-415 HBN
Stainless
Steel
Austenitic + Ferritic
300 series
Martensitic
400 series
PH Stainless
Refractory
P.H.
Cast Iron
Grey
GG-Ft
Spheroidal-Ductile
GGG-FGS
Malleable
GTS - MN/MP
Aluminium
& Alloys
Aluminium & Alloys
< 16% Si 116 HBN
Aluminium + Silicon
> 16% Si 92 HBN
High
Temperature
Alloys
Iron Based
Cobalt Based
Nickel Based
Titanium Based
Hard
Materials
Hard Steel
>1400 N/mm2
>415 HBN
Chilled Cast Iron
>1400 N/mm2
> 400 HBN
7793VXO12
Recommended Feeds & Speeds
Facing
Slotting
Facing
Slotting
Facing
Slotting
7793VXO12 Feeds fz (mm/tooth)
Geometry
Grade
Operation
Unalloyed
Steel
Alloyed
Steel
Stainless
Steel
Stainless Steel
Refractory PH
Gray
Iron
Spheroidal-
Ductile Iron
Malleable
Iron
Aluminium &
Alloys
<16% Si 116 HBN
Aluminium &
Silicon
>16% Si 92 HBN
HTA Iron
Based Alloys
HTA Cobalt
Based Alloys
HTA Nickel
Based Alloys
HTA Titanium
Based Alloys
Hard Steel
>1400 N/mm2
>415 HBN
Chilled Cast Iron
>1400 N/mm2
>400 HBN
Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max. Min. - Max.
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D
L
D2
D1
L1
5672832 M-29-M16-CA32-160 160 100 32 29 17,00 M16
5672988 M-29-M16-CA32-210 210 150 32 29 17,00 M16
5673783 M-29-M16-CA32-260 260 200 32 29 17,00 M16
5672989 M-29-M16-CA32-310 310 250 32 29 17,00 M16
12 1,20 3,15 0,95
16°
L
R
Product Dimensions (mm)
Order
Number Item Description L L1D2D D1M
Technical Advice
M Modular adapter
29 Diameter in front of the modular shank (D)
M16 Metric Thread (M)
CA32 Cylindrical shank diameter 32mm with through coolant
160 Total length of the body
Shank Extension
Cylindrical shank extensions can be used with all modular heads found in
several product family series within the general milling catalogue.
These extensions have the industry standard of metric threads.
Note: Order example with cylindrical shank: M-29-M16-CA32-160
Cylindrical Shank Extensions for Modular Heads
Anti-Vibration Tungsten Alloy with Through Coolant
Calculation of the average chip thickness in relation with the ae (Radial Engagement) if ae is less than 50% of dia.
Formula: Average Chip Thickness (hm)
hm = Average chip thickness
ae = Radial engagement
fz = Feed per tooth
d = Cutter diameter
fz = hm x
Formula: Programme Feed Rate (fz)
d
ae
CNC-Programming Data (mm) / insert definition
Insert size (mm) Radius R L
hm = fz x ae
d
fz = hm x
Calculation of the average chip thickness in relation with the D.O.C. (Axial)
Formula: Average Chip Thickness (hm)
hm = Average chip thickness
ap = Depth of cut
fz = Feed per tooth
d = Insert diameter 45mm
Theoretical Diameter for all high feed insert sizes = 45mm
Formula: Programme Feed Rate (fz)
ap
d
d
ap
hm = fz x
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