Materials  
 
WPC ball screws are made of high quality steels to provide best performance and durability. The used steel types are equivalent to other standards as shown in the table below.
   Standard range
Nominal diameter (do) & Nominal lead (Pro)
All values are in metric system.

 

 

 

 
Item
STAS
DIN
JIS
NF

Screw

OLC 55X
STAS 11250-80

C 55E
(1.1203)
DIN EN 10083-1

S 55C
JIS G 4051

XC 55 H1
NF A 35-563

Nut

RUL 2 V
STAS 11250-80

100 CrMn 6
(1.3520)
DIN EN ISO 683-17

SUJ 3
JIS G 4805

100 CrMn 6
NF A 35-565

Balls

RUL 1
STAS 11250-80

100 Cr 6
(1.3505)
DIN EN ISO 683-17

SUJ G 4805

100 Cr 6
NF A 35-565

 

 

 

 

 
Pho (mm)
2
4
5
10
12
16
20
25
32
40
50
64
d0 (mm
12
.
.
.
.
.
.
.
.
16
.
.
.
.
.
.
20
.
.
.
.
.
.
25
.
.
.
.
.
32
.
.
.
.
.
40
.
.
.
.
50
.
.
.
63
.
.
80
.
.
100
.
.
.
125
.
.
.
140
.
.
.
160
.
.
.
180
.
.
.
Notes
 - Standard range, single start ;
- Special range, single start ;
- The extra values for nominal lead (Pho) are available at request e.g. : 6, 8, 24 etc.
- The values in inches either right or/and left hand available at request
- The extra values for norminal diameter (d0) are available at request e.g.: 14, 18, 45, 55, 65, 85, etc.
  Permissible Deviations
Lu [mm]
Standard Tolerance Grade ISO
Standard Tolerance Grade ISO
1
3
5
7
1
3
5
7
1
3
5
7
10
Permissble deviations (µm)
Permissble deviations (µm)
Above
Up to and includng
Tolerance on Speciafied Travel (ep)
Permissible Travel variation (vup) within Useful Travel
Permissible Travel variation (V300p) within 300mmTravel
-
315
6
12
23
-
6
12
23
-
6
12
23
52
210
315
400
7
13
25
-
6
12
25
-
400
500
8
15
32
-
7
13
26
-
500
630
9
16
36
-
7
14
29
-
630
800
10
18
40
-
8
16
31
-
800
1000
11
21
40
-
9
17
34
-
Tolerance
1000
1250
13
24
47
-
10
19
39
-
Standard tolerance grade
1250
1600
15
29
55
-
11
22
44
-
Permissible Travel variation (2pm) within 2 prad travel
1600
2000
18
35
65
-
13
25
51
-
4
6
8
-
-
2000
2500
22
41
78
-
15
29
59
-
2500
3150
26
50
96
-
17
34
69
-
3150
4000
32
62
115
-
21
41
82
-
4000
5000
-
76
140
-
-
49
99
-
5000
6300
-
-
170
-
-
-
119
-
  Manufacturing capabilities
do
Maimum capabilities for a maximum standard thread length ls
Precision grade ISO 3408-3
1
3
5
7-10
Up to 12
300
300
500
-
12-20
500
500
800
-
25-32
800
800
1400
1800
32-40
1000
1000
1800
3500
40-50
1200
1250
2200
4200
50-63
3000
1500
2800
5000
63-80
3000
4000
3500
8000
80-100
4000
4500
4500
16000
100-125
4000
5000
5500
21000
125-160
-
-
6000
21000
160-180
-
-
-
21000