Rotary Axes / Single-Sided Internal Thread / Optional Machining

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Dimensional Drawing

Rotary Shaft - One End Tapped Dimensional Drawing 1
■ Standard
■Wrench Flats
[ ! ] Surface roughness of Part D for h9 (Cold-drawn) is {{{attr2}}}. Surface roughness for h7 (Ground) and g6 (Ground) is {{{attr3}}}.
[ ! ] High hardness stainless steel may have a center hole.
■Tolerance Table
Dh9 (Cold-drawn)h7 (Ground)g6 (Ground)
4 to 6 0
− 0.030
 0
− 0.012
− 0.004
− 0.012
8·10 0
− 0.036
 0
− 0.015
− 0.005
− 0.014
12 to 18 0
− 0.043
 0
− 0.018
− 0.006
− 0.017
20 to 30 0
− 0.052
 0
− 0.021
− 0.007
− 0.020
35 to 50 0
− 0.062
 0
− 0.025
− 0.009
− 0.025
Rotary Shaft - One End Tapped   Dimensional Drawing 2
■Circularity and Straightness
■Perpendicularity
■Circularity of Part D
DCircularity
M
overor Less
3130.004
13200.005
20400.006
40500.007
■Straightness
DStraightness
K
2·2.50.1
3·40.03
50.02
6 or more0.01
■Tolerances of L and Other Dimensions
DimensionDimension
Tolerance
overor Less
26±0.1
630±0.2
30120±0.3
120400±0.5
4001000±0.8
[ ! ] Circularity, straightness, concentricity, and perpendicularity of Part D are not applicable to h9 (Cold-drawn).
TypeD Tolerance[M] Material[S] Surface Treatment
 StandardWrench Flats
(1)NSFMRTNSFMRTSh9 (Cold-drawn)EN 1.1191 Equiv.
SFMRTSFMRTSBlack Oxide
PSFMRTPSFMRTSElectroless Nickel Plating
SSFMRTSSFMRTSEN 1.4301 Equiv.
(2)NSFHRTNSFHRTSh7 (Ground)EN 1.1191 Equiv.
SFHRTSFHRTSBlack Oxide
PSFHRTPSFHRTSElectroless Nickel Plating
SSFHRTSSFHRTSEN 1.4301 Equiv.
(3)NSFRTNSFRTSg6 (Ground)EN 1.1191 Equiv.
SFRTSFRTSBlack Oxide
PSFRTPSFRTSElectroless Nickel Plating
SSFRTSSFRTSEN 1.4301 Equiv.
HFRTEN 1.7220 Equiv.
[H]Hardness: 30 to 35HRC
Black Oxide
PHFRTElectroless Nickel Plating
AHFRTAHFRTSHigh Hardness Stainless Steel
Hardness: 35HRC or More
[!] High hardness stainless steel has a lower center hardness.

Specification Table

 Part NumberLMSC

 
SFMRT30
SSFHRTS25

SF−PSFRT30


250
200
300


M12
M8
M10
SC20
(1) h9 (Cold-drawn)
Part NumberL
0.1 mm Increments
M (Coarse)
Selection
SC
1 mm Increments
Wrench Flats Type only
W2
TypeD
StandardWrench Flats
NSFMRT

SFMRT

PSFMRT

SSFMRT

(D4, 5, 13, 17, 18, or 22 is not available for SSFMRTS.)
 
NSFMRTS

SFMRTS

PSFMRTS

SSFMRTS

(D13, 17, 18, or 22 is not available for SSFMRTS.)
 

(Wrench flats are not available for D4 and D5.)
415.0 to 200.02           
515.0 to 250.022.63         
615.0 to 500.0 2.634        SC+ℓ2 ≤ L

SC = 0
or SC ≥ 1


[ ! ] When SC ≤ M × 3,
W−M ≥ 2
58
815.0 to 500.0 2.63456      7
1015.0 to 800.0  3456      8
1215.0 to 900.0  34568     1010
1315.0 to 900.0  34568     11
1515.0 to 1000.0  3456810    13
1615.0 to 1000.0   45681012   14
1720.0 to 1000.0   45681012   
1820.0 to 1000.0   45681012   15
2020.0 to 1000.0   4568101216  17
2220.0 to 1000.0   4568101216  19
2520.0 to 1000.0   4568101216  22
3020.0 to 1000.0    56810121620 2715
3570.0 to 1000.0     68101216202430
[ ! ] When L ≤ M x 3, the pilot hole may go through.

(2) h7 (Ground)
Part NumberL
0.1 mm Increments
M (Coarse)
Selection
SC
1 mm Increments
Wrench Flats Type only
W2
TypeD
StandardWrench Flats
NSFHRT

SFHRT

PSFHRT

SSFHRT
NSFHRTS

SFHRTS

PSFHRTS

SSFHRTS



(Wrench flats are not available for D4 and D5.)
415.0 to 200.02            
515.0 to 250.022.63          
615.0 to 500.0 2.634         SC+ℓ2 ≤ L

SC = 0
or SC ≥ 1


[ ! ] When SC ≤ M × 3,
W−M ≥ 2
58
815.0 to 500.0 2.63456       7
1015.0 to 800.0  3456       8
1215.0 to 900.0  34568      1010
1515.0 to 1000.0  3456810     13
1720.0 to 1000.0   45681012    14
2020.0 to 1000.0   4568101216   17
2520.0 to 1000.0   4568101216   22
3020.0 to 1000.0    56810121620  2715
3570.0 to 1000.0     681012162024 30
4080.0 to 1000.0       1012162024303620
50100.0 to 1000.0        121620243041
[ ! ] When L ≤ M x 3, the pilot hole may go through.

(3) g6 (Ground)
 
Part NumberL
0.1 mm Increments
  M (Coarse)
Selection
SC
1 mm Increments
Wrench Flats Type only
W2
TypeD  
StandardWrench Flats  
NSFRT

SFRT

PSFRT

SSFRT


* HFRT
(D15, 20, 25, 30, 35, 40, and 50 are available for HFRT.)
 

* PHFRT
(D15, 20, 25, 30, 35, 40, and 50 are available for PHFRT.)
 

AHFRT
(Only * marked sizes are available.)
NSFRTS

SFRTS

PSFRTS

SSFRTS

AHFRTS

(Only * marked sizes are available.)


(Wrench flats are not available for D4 and D5.)
*415.0 to 200.02            
*515.0 to 250.022.63          
*615.0 to 500.0 2.634         SC+ℓ2 ≤ L

SC = 0
or SC ≥ 1


[ ! ] When SC ≤ M × 3,
W−M ≥ 2
58
*815.0 to 500.0 2.63456       7
*1015.0 to 800.0  3456       8
*1215.0 to 900.0  34568      1010
 1315.0 to 900.0  34568      11
*1515.0 to 1000.0  3456810     13
*1615.0 to 1000.0   45681012    14
 1720.0 to 1000.0   45681012    
 1820.0 to 1000.0   45681012    15
*2020.0 to 1000.0   4568101216   17
 2220.0 to 1000.0   4568101216   19
*2520.0 to 1000.0   4568101216   22
 3020.0 to 1000.0    56810121620  2715
 3570.0 to 1000.0     681012162024 30
 4080.0 to 1000.0       1012162024303620
 50100.0 to 1000.0        121620243041
[ ! ] When L ≤ M x 3, the pilot hole may go through.
[NG] For HFR and PHFR, the upper limit for L dim. 35 to 50 is 800.
Coarse Thread Pitch
MPitch
20.4
2.60.45
30.5
40.7
50.8
61.0
81.25
101.5
121.75
162.0
202.5
243.0
303.5

Alterations

Alterations
Code
Alteration DetailsApplicable ConditionsOrdering Example
KCKeyway at One Location
Rotary Shaft - One End Tapped: Related Image
KC, A = 0.1 mm Increments

[ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied.

[ ! ] Key Length ≤ 100
[ NG ] Not applicable when Shaft Dia. ≤ ø5
SFMRT10-150-M4-KC50-A10
WKCKeyways at Two Locations
Rotary Shaft - One End Tapped: Related Image
WKC, C, K, E = 0.1 mm Increments

[ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied.

[ ! ] Key Length ≤ 100
[ NG ] Not applicable when Shaft Dia. ≤ ø5
SFMRT10-150-M4-WKC5-C20-K5-E10
KZKeyway (1 Location (for 4th Location))
Rotary Shaft - One End Tapped: Related Image
KZ, Z = 0.1 mm Increments

[ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied.

[ ! ] Key Length ≤ 100 [ NG ] Not applicable when Shaft Dia. ≤ ø5
[ ! ] Applicable only when combined with both KC and WKC
SFMRT10-150-M4-KC5-A10-WKC20-C10-K5-E10-KZ50-Z10
FCSet Screw Flat at One Location
Rotary Shaft - One End Tapped: Related Image
FC, G = 1 mm Increments
[ ! ]G ≤ 70
SFMRT10-150-M4-FC10-G3
WFCSet Screw Flats at Two Locations
Rotary Shaft - One End Tapped: Related Image
WFC, J, W, V = 1 mm Increments
[ ! ]J·V ≤ 70
SFMRT10-150-M4-WFC10-J15-W10-V20
SFCSet Screw Flat, 2 Set Screw Flats (Angle Specified)
Rotary Shaft - One End Tapped: Related Image
SFC, SG = 1 mm Increments AG = 15° Increments
[ ! ]SG ≤ 70
SFMRT10-150-M4-SFC10-SG3-AG120
UCSlit Cam Groove
Rotary Shaft - One End Tapped: Related Image
UC = 1 mm Increments
[ NG ] Not applicable when Shaft Dia. = ø2 or ø2.5 or when D ≥ 13
[NG] AHFRT or AHFRTS is not available
SFMRT10-150-M4-UC20
TA·TBRetaining Ring Groove
Rotary Shaft - One End Tapped: Related Image
TA, TB = 0.1 mm Increments
[ ! ]2 ≤ TA·TB ≤ 150
SFMRT10-150-M4-TA10
LKCL Dimension Tolerance Change
Rotary Shaft - One End Tapped: Related Image
L < 500···L±0.05 L ≥ 500···L±0.1
[ NG ] Not applicable when L ≥ 800
SFMRT10-150-M4-LKC
MMSlit Added
Rotary Shaft - One End Tapped: Related Image
Add a slit on the opposite side of the tapped.
[NG] D35 or higher is not available
DNV
6 to 131.21.5
15 to 202.02.5
22 to 303.03.8
SFMRT10-150-M4-MM
CDChanges Part D Chamfering
Rotary Shaft - One End Tapped: Related Image
Changes Part D Chamfering Size 
* Select CD from table
[ ! ] Only values provided on the Applicable Dia. Table are applicable
Chamfering (CD)Applicable Dia. (D)
C2⌀6 to ⌀50
C3⌀8 to ⌀50
C4⌀10 to ⌀50
C5⌀12 to ⌀50
SFMRT10-150-M4-CD3
MDTapped Depth
Rotary Shaft - One End Tapped: Related Image
To specify this Alteration, replace M with MD
[NG] Not applicable when M = 2, 2.6, 24 or 30
SFMRT10-150-MD4

[!] When combined with other alterations, ± 2 degree phase differential may occur. Provide 2 mm or more clearance between this alteration and others.
[ ! ] When multiple keyways or set screw flats are specified, they are added in the same plane. When the distance of the alterations are over 500 mm, ± 2 degree phase difference may occur.
Keyway Dimensions
Shaft Dia.btr
Reference DimensionTolerance (N9)Reference DimensionTolerance
6 to 72   -0.004
   -0.029
1.2 +0.1
   0
0.08 to 0.16
8 to 1031.8
11 to 124    0
   -0.03
2.5
13 to 1753.00.16 to 0.25
18 to 2263.5
23 to 308    0
   -0.036
4.0 +0.2
   0
31 to 38105.00.25 to 0.4
39 to 4412    0
   -0.043
5.0
45 to 50145.5
 
Rotary Shaft - One End Tapped: Dimensional Drawing 4
[ ! ] b ≤ A, E, C ≤ 100
[ ! ] If 3 keyways are required, use both KC and WKC.
[!] If 4 keyways are required, use KC, WKC, and KZ. (KZ is applicable only when combined with both KC and WKC)
[NG] Not applicable to D = 2 to 5.
[ ! ] The example below shows the keyway shape for the specs KC, WKC, K = 0, KC + A ≥ L and WKC + C + K + E > L.
[ ! ] Although keyway(s) and set screw flats are added in the same plane, ±2 degree phase differential may occur.
[ ! ] When the keyway position is less than 1 mm away from the end face, R is not applied.
Detailed Retaining Ring Groove Dimensions for Rotary Shafts
Shaft Dia.d ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
21.2 +0.06
    0
0.4 +0.05
    0
JIS E Type 1.2
2.51.50.5JIS E Type 1.5
32JIS E Type 2
430.7 +0.1
    0
JIS E Type 3
54 +0.075
    0
JIS E Type 4
65JIS E Type 5
760.9JIS E Type 6
87 +0.09
    0
JIS E Type 7
98JIS E Type 8
109.60/-0.091.15 +0.14
    0
JIS C Type 10
1110.5   0
  -0.11
JIS C Type 11
1211.5JIS C Type 12
1312.4JIS C Type 13
1413.4JIS C Type 14
1514.3JIS C Type 15
1615.2JIS C Type 16
1716.2JIS C Type 17
18171.35JIS C Type 18
1918JIS C Type 19
 
Shaft Dia.d ToleranceSlot Width (m) ToleranceApplicable Retaining Ring
2019  0
 -0.21
1.35 +0.14
    0
JIS C Type 20
2120JIS C Type 21
2221JIS C Type 22
2322JIS C Type 23
2422.9JIS C Type 24
2523.9JIS C Type 25
2624.9JIS C Type 26
2826.61.65JIS C Type 28
2927.6JIS C Type 29
3028.6JIS C Type 30
3230.3  0
 -0.25
JIS C Type 32
3533JIS C Type 35
40381.9JIS C Type 40
4542.5JIS C Type 45
50472.2JIS C Type 50
 
 
 
 
 
 
 
 
 

 

[ ! ]2 ≤ TA·TB ≤ 150
[ ! ] An applicable retaining ring is included in the retaining ring groove.
(Reference Value) High Hardness Stainless Steel Center Hardness
DCenter Hardness (HRC)
335 or More
435 or More
535 or More
635 or More
835 or More
1030 or More
1230 or More
1530 or More
1630 or More
2025 or More
2525 or More
Mechanical Properties (Reference Value)
MaterialTensile Strength
(Mpa)
Yielding Point
(0.2% Proof Stress)
(MPa)
Young's Modulus
(GPa)
Transverse Modulus
(GPa)
Poisson Ratio
EN 1.1191 Equiv.
570 or More
345 or More
200 or More
77 or More
0.3
EN 1.4301 Equiv.
520 or More
210 or More
193 or More
74 or More
0.3
EN 1.7220 Equiv.
930 or More
785 or More
206 or More
79 or More
0.3
High Hardness Stainless Steel
1102
715
199
77
0.3

High Hardness Stainless Steel Material Properties
(Unit: %)
CSiMnPSNiCr
0.15-0.25≤ 0.507.5-9.5≤ 0.05≥ 0.121.5-3.013-15

Part Number:  

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Part Number
HFRT15-[15-800/0.1]-M[4,​5,​6,​8,​10]
HFRT15-[15-800/0.1]-MD[4,​5,​6,​8,​10]
HFRT20-[30-800/0.1]-M[4,​5,​6,​8,​10,​12,​16]
HFRT20-[30-800/0.1]-MD[4,​5,​6,​8,​10,​12,​16]
HFRT25-[50-800/0.1]-M[4,​5,​6,​8,​10,​12,​16]
HFRT25-[50-800/0.1]-MD[4,​5,​6,​8,​10,​12,​16]
HFRT30-[60-800/0.1]-M[6,​8,​10,​12,​16,​20]
HFRT30-[60-800/0.1]-MD[6,​8,​10,​12,​16,​20]
HFRT35-[70-800/0.1]-M[6,​8,​10,​12,​16,​20,​24]
HFRT35-[70-800/0.1]-MD[6,​8,​10,​12,​16,​20]
HFRT40-[80-800/0.1]-M[10,​12,​16,​20,​24,​30]
HFRT40-[80-800/0.1]-MD[10,​12,​16,​20]
HFRT50-[100-800/0.1]-M[12,​16,​20,​24,​30]
HFRT50-[100-800/0.1]-MD[12,​16,​20]
PHFRT15-[15-800/0.1]-M[4,​5,​6,​8,​10]
PHFRT15-[15-800/0.1]-MD[4,​5,​6,​8,​10]
PHFRT20-[30-800/0.1]-M[4,​5,​6,​8,​10,​12,​16]
PHFRT20-[30-800/0.1]-MD[4,​5,​6,​8,​10,​12,​16]
PHFRT25-[50-800/0.1]-M[4,​5,​6,​8,​10,​12,​16]
PHFRT25-[50-800/0.1]-MD[4,​5,​6,​8,​10,​12,​16]
PHFRT30-[60-800/0.1]-M[6,​8,​10,​12,​16,​20]
PHFRT30-[60-800/0.1]-MD[6,​8,​10,​12,​16,​20]
PHFRT35-[70-800/0.1]-M[6,​8,​10,​12,​16,​20,​24]
PHFRT35-[70-800/0.1]-MD[6,​8,​10,​12,​16,​20]
PHFRT40-[80-800/0.1]-M[10,​12,​16,​20,​24,​30]
PHFRT40-[80-800/0.1]-MD[10,​12,​16,​20]
PHFRT50-[100-800/0.1]-M[12,​16,​20,​24,​30]
PHFRT50-[100-800/0.1]-MD[12,​16,​20]
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSMaterial Hardness Surface Treatment D Tolerance Shaft Dia. D
(mm)
Length L
(mm)
Wrench Flats Tapped (Coarse / Effective Length: Nominal Diameter × 2) [M]
(mm)
Tapped (Coarse / Effective Length: Nominal Diameter × 3) [MD]
(mm)
Wrench Flats Machining [SC]
(mm)
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)1515 ~ 800W/o Wrench Flats4 ~ 10--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)1515 ~ 800W/o Wrench Flats-4 ~ 10-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)2030 ~ 800W/o Wrench Flats4 ~ 16--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)2030 ~ 800W/o Wrench Flats-4 ~ 16-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)2550 ~ 800W/o Wrench Flats4 ~ 16--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)2550 ~ 800W/o Wrench Flats-4 ~ 16-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)3060 ~ 800W/o Wrench Flats6 ~ 20--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)3060 ~ 800W/o Wrench Flats-6 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)3570 ~ 800W/o Wrench Flats6 ~ 24--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)3570 ~ 800W/o Wrench Flats-6 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)4080 ~ 800W/o Wrench Flats10 ~ 30--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)4080 ~ 800W/o Wrench Flats-10 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)50100 ~ 800W/o Wrench Flats12 ~ 30--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Black Oxideg6 (Ground)50100 ~ 800W/o Wrench Flats-12 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)1515 ~ 800W/o Wrench Flats4 ~ 10--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)1515 ~ 800W/o Wrench Flats-4 ~ 10-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)2030 ~ 800W/o Wrench Flats4 ~ 16--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)2030 ~ 800W/o Wrench Flats-4 ~ 16-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)2550 ~ 800W/o Wrench Flats4 ~ 16--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)2550 ~ 800W/o Wrench Flats-4 ~ 16-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)3060 ~ 800W/o Wrench Flats6 ~ 20--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)3060 ~ 800W/o Wrench Flats-6 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)3570 ~ 800W/o Wrench Flats6 ~ 24--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)3570 ~ 800W/o Wrench Flats-6 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)4080 ~ 800W/o Wrench Flats10 ~ 30--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)4080 ~ 800W/o Wrench Flats-10 ~ 20-
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)50100 ~ 800W/o Wrench Flats12 ~ 30--
1 9 Days 10[Steel] EN 1.7220 Equiv.Hardened[Surface Treatment Provided] Electroless Nickel Platingg6 (Ground)50100 ~ 800W/o Wrench Flats-12 ~ 20-

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  1. 1

App. Example

Rotary Shaft - One End Tapped: Related Image

Basic information

Basic Shape Straight Environmentally friendly RoHS Compliant (10 Substances) End Shape (Left) Tapped
Characteristics/Applications Not Applicable End Shape (Right) Straight Keyway Keyway Option (Alteration)
Cleaning Method No Cleaning

Complementary Products

MISUMI Unit еxample related to this product

Tech Support

Technical Support
Tel:+49 69 668173-0 / FAX:+49 69 668173-360