![](http://hiseda.com/upload/product/Ring_gauge.jpg)
STEEL RING GAUGE
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
Size (mm) |
Step (mm) |
Out of Roundness (µm) |
Out of Cylinldricity (µm) |
Tolerance (µm) |
Hardness (HV) |
1 to less than 30 |
0.1 step |
0.5 |
0.5 |
±1.0 |
653
↓
772
|
30 to less than 50 |
0.8 |
0.8 |
±1.5 |
50 to less than 60 |
0.5 step |
1.0 |
1.0 |
±2.0 |
60 to less than 80 |
80 to less than 100 |
100 to less than 200 |
5.0 step |
2.0 |
2.0 |
±5.0 |
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![](http://hiseda.com/upload/product/Ring_gauge_1.jpg)
STEEL RING GAUGE LARGE SIZE
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
Size (mm) |
Step (mm) |
Out of Roundness (µm) |
Out of Cylinldricity (µm) |
Tolerance (µm) |
Hardness (HV) |
200 to less than 230 |
5.0 step |
5.0 |
5.0
|
±7.0 |
653
↓
772
|
230 to less than 300 |
10.0 step |
300 to less than 400 |
±8.0 |
400 to less than 500 |
±9.0 |
500 to less than 520 |
10.0 |
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![](http://hiseda.com/upload/product/ring_limit_gauge_h7.jpg)
STEEL RING LIMIT GAUGE h7
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
Hardness HV653→772 |
Model No. |
Nominal size D (mm)
|
Outside Diameter d (mm) |
Thickness T (mm) |
Tolerance Class |
Tolerance (µm) |
LR10-h7 |
ø10 |
32 |
8 |
h7 |
0 - 15 |
LR11-h7 |
ø11 - ø15 |
38 |
10 |
0 - 18 |
LR12-h7 |
LR13-h7 |
LR14-h7 |
LR15-h7 |
LR16-h7 |
ø16 - ø20 |
45 |
12 |
LR17-h7 |
LR18-h7 |
LR19-h7 |
0 - 21 |
LR20-h7 |
LR21-h7 |
ø21 - ø25 |
53 |
14 |
LR22-h7 |
LR23-h7 |
LR24-h7 |
LR25-h7 |
LR26-h7 |
ø26 - ø30 |
63 |
16 |
LR27-h7 |
LR28-h7 |
LR29-h7 |
LR30-h7 |
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![](http://hiseda.com/upload/product/lapped_finish.jpg)
CARBIDE RING GAUGE
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
Size (mm) |
Step (mm) |
Out or Roundness/ Cylindricity (µm)
|
Tolerance (µm) |
1 to less than 30 |
— |
0.5 |
±1 |
30 to less than 50 |
— |
0.8 |
±1.5 |
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![](http://hiseda.com/upload/product/lapped_finish_12.jpg)
CERAMIC RING GAUGE
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
Size (mm) |
Step (mm) |
Out or Roundness/ Cylindricity (µm)
|
Tolerance (µm) |
1 to less than 30 |
0.5 step |
0.5 |
±1 |
30 to less than 50 |
0.8 |
±1.5 |
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![](http://hiseda.com/upload/product/Ring_gauge_4.jpg)
RING GAUGE (with protective cover)
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
Size (mm) |
Step (mm) |
Out or Roundness/ Cylindricity (µm)
|
Tolerance (µm) |
1 to less than 2 (Steel & Carbide only) |
1mm step |
0.5 |
±1 |
2 to less than 30 |
1mm step |
0.5 |
±1 |
30 to less than 50 |
1mm step |
0.8 |
±1.5 |
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![](http://hiseda.com/upload/product/Ring_gauge_OD.jpg)
STELL RING GAUGE OD model
Maker: SK (Niigata Seiki)
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SPECIFICATIONS |
SizeD (mm) |
Step (mm) |
OD tolerance (µm) |
Out of Roundness ( µm) |
Out of Cylindricity (µm) |
Thickness (mm) |
Hole Diameter (mm) |
40 to less than 50 |
10.0 step |
±3 |
1.5 |
1.5 |
30 |
20 |
50 to less than 70 |
± 5 |
2.5 |
2.5 |
70 to less than 100 |
30 |
100 to less than 150 |
± 10 |
5 |
5 |
40 |
150 to less than 200 |
50 |
200 to less than 300 |
80 |
300 to less than 350 |
160 |
350 to less than 375 |
200 |
375 to less than 400 |
250 |
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