Printed from Kezuriba (kezuriba.net/en/fits/hole-js6/)
JS6 tolerance (hole) — limit deviations
Upper and lower limit deviations of hole tolerance class JS6 (holes use capital letters), in µm (0.001 mm). Add them to the nominal size to get the permitted size range. Example: a Ø25 JS6 hole must be between 24.994 and 25.006 mm.
▤JS6 limit deviations (µm)
| Nominal size (mm) | Upper | Lower | Tolerance | Calc |
|---|---|---|---|---|
| up to 3 | +3 | −3 | 6 | → |
| over 3 to 6 | +4 | −4 | 8 | → |
| over 6 to 10 | +4.5 | −4.5 | 9 | → |
| over 10 to 14 | +5.5 | −5.5 | 11 | → |
| over 14 to 18 | +5.5 | −5.5 | 11 | → |
| over 18 to 24 | +6.5 | −6.5 | 13 | → |
| over 24 to 30 | +6.5 | −6.5 | 13 | → |
| over 30 to 40 | +8 | −8 | 16 | → |
| over 40 to 50 | +8 | −8 | 16 | → |
| over 50 to 65 | +9.5 | −9.5 | 19 | → |
| over 65 to 80 | +9.5 | −9.5 | 19 | → |
| over 80 to 100 | +11 | −11 | 22 | → |
| over 100 to 120 | +11 | −11 | 22 | → |
| over 120 to 140 | +12.5 | −12.5 | 25 | → |
| over 140 to 160 | +12.5 | −12.5 | 25 | → |
| over 160 to 180 | +12.5 | −12.5 | 25 | → |
| over 180 to 200 | +14.5 | −14.5 | 29 | → |
| over 200 to 225 | +14.5 | −14.5 | 29 | → |
| over 225 to 250 | +14.5 | −14.5 | 29 | → |
| over 250 to 280 | +16 | −16 | 32 | → |
| over 280 to 315 | +16 | −16 | 32 | → |
| over 315 to 355 | +18 | −18 | 36 | → |
| over 355 to 400 | +18 | −18 | 36 | → |
| over 400 to 450 | +20 | −20 | 40 | → |
| over 450 to 500 | +20 | −20 | 40 | → |
⊂⊃Common fits that use this class
Partners of JS6 in the preferred fits of JIS B 0401 (1998), the Japanese counterpart of ISO 286. Click one to open it in the calculator.
📚Sources
We compared the technical documents below and use values that agree in at least two of them.
- MISUMI jp.misumi-ec.com
- NBK (Nabeya Bi-tech) fujiikougyou.sakura.ne.jpfujiikougyou.sakura.ne.jpfujiikougyou.sakura.ne.jp
- Mitsubishi Materials mitsubishicarbide.netmitsubishicarbide.net
- OSG osg.co.jp
- Tungaloy tungaloy.com
- NSK nsk.com
- Miki Pulley mikipulley.co.jpmikipulley.co.jp
- KHK (Kohara Gear) khkgears.co.jpkhkgears.co.jp