1. Tolerance zones and fits
Tolerance zones for the hole-basis system (commonly used in practice)

Hole-basis fits commonly used in practice
Clearance fits
| Minimum (zero) | Very small | Small | Medium | Large | Very large |
|---|---|---|---|---|---|
| H6/h5 H7/h6 H8/h7 | H6/g5 H7/g6 H8/g7 | H6/f6 H7/f7 H8/f8 | H6/e7 H7/e8 H8/e9 | H7/d7 H8/d9 H8/d8 | H7/c8 H8/c9 H8/b9 |
Transition fits
| Likely very small interference or large clearance | Likely small interference or small clearance | Likely large interference or small clearance | Likely large interference or very small clearance |
|---|---|---|---|
| H6/j5 H7/j6 H8/j7 | H6/k5 H7/k6 H8/k7 | H6/m5 H7/m6 H8/m7 | H6/n5 H7/n6 H8/n7 |
Interference fits
| Very small | Small | Medium | Large | Very large |
|---|---|---|---|---|
| H6/n5 | H6/p5 H7/p6 | H6/r5 H7/r6 H8/r7 | H6/s5 H7/s6 H8/s7 | H7/t6 H7/u6 H8/u7 |
2. Limit deviations
Limit deviations for hole tolerance zones (selection, H6…H9)
| Sizes [mm] | Tolerance zone and grade symbol (hole) | |||
|---|---|---|---|---|
| H6 | H7 | H8 | H9 | |
| Limit deviations [μm] | ||||
| 10–18 | +11 | +18 | +27 | +43 |
| 0 | 0 | 0 | 0 | |
| 18–30 | +13 | +21 | +33 | +52 |
| 0 | 0 | 0 | 0 | |
| 30–50 | +16 | +25 | +39 | +62 |
| 0 | 0 | 0 | 0 | |
| 50–80 | +19 | +30 | +46 | +74 |
| 0 | 0 | 0 | 0 | |
| 80–120 | +22 | +35 | +54 | +87 |
| 0 | 0 | 0 | 0 | |
| 120–180 | +25 | +40 | +63 | +100 |
| 0 | 0 | 0 | 0 | |
| 180–250 | +29 | +46 | +72 | +115 |
| 0 | 0 | 0 | 0 | |
Limit deviations for shaft tolerance zones (selection, d6…p6)
| Sizes [mm] | Tolerance zone and grade symbol (shaft) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| d6 | e6 | f6 | g6 | h6 | j6 | k6 | m6 | n6 | p6 | |
| Limit deviations [μm] | ||||||||||
| 10–18 | −50 | −32 | −16 | −6 | 0 | +8 | +12 | +18 | +23 | +29 |
| −61 | −43 | −27 | −17 | −11 | −3 | +1 | +7 | +12 | +18 | |
| 18–30 | −65 | −40 | −20 | −7 | 0 | +9 | +15 | +21 | +28 | +35 |
| −78 | −53 | −33 | −20 | −13 | −4 | +2 | +8 | +15 | +22 | |
| 30–50 | −80 | −50 | −25 | −9 | 0 | +11 | +18 | +25 | +33 | +42 |
| −96 | −66 | −41 | −25 | −16 | −5 | +2 | +9 | +17 | +26 | |
| 50–80 | −100 | −60 | −30 | −10 | 0 | +12 | +21 | +30 | +39 | +51 |
| −119 | −79 | −49 | −29 | −19 | −7 | +2 | +11 | +20 | +32 | |
| 80–120 | −120 | −72 | −36 | −12 | 0 | +13 | +25 | +35 | +45 | +59 |
| −142 | −94 | −58 | −34 | −22 | −9 | +3 | +13 | +23 | +37 | |
| 120–180 | −145 | −85 | −43 | −14 | 0 | +14 | +28 | +40 | +52 | +68 |
| −170 | −110 | −68 | −39 | −25 | −11 | +3 | +15 | +27 | +43 | |
| 180–250 | −170 | −100 | −50 | −15 | 0 | +16 | +33 | +46 | +60 | +79 |
| −199 | −129 | −79 | −44 | −29 | −13 | +4 | +17 | +31 | +50 | |
Limit deviations for shaft tolerance zones (selection, d7…p7)
| Sizes [mm] | Tolerance zone and grade symbol (shaft) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| d7 | e7 | f7 | g7 | h7 | j7 | k7 | m7 | n7 | p7 | |
| Limit deviations [μm] | ||||||||||
| 10–18 | −50 | −32 | −16 | −6 | 0 | +12 | +19 | +25 | +30 | +36 |
| −68 | −50 | −34 | −24 | −18 | −6 | +1 | +7 | +12 | +18 | |
| 18–30 | −65 | −40 | −20 | −7 | 0 | +13 | +23 | +29 | +36 | +43 |
| −86 | −61 | −41 | −28 | −21 | −8 | +2 | +8 | +15 | +22 | |
| 30–50 | −80 | −50 | −25 | −9 | 0 | +15 | +27 | +34 | +42 | +51 |
| −105 | −75 | −50 | −34 | −25 | −10 | +2 | +9 | +17 | +26 | |
| 50–80 | −100 | −60 | −30 | −10 | 0 | +18 | +32 | +41 | +50 | +62 |
| −130 | −90 | −60 | −40 | −30 | −12 | +2 | +11 | +20 | +32 | |
| 80–120 | −120 | −72 | −36 | −12 | 0 | +20 | +38 | +48 | +58 | +72 |
| −155 | −107 | −71 | −47 | −35 | −15 | +3 | +13 | +23 | +37 | |
| 120–180 | −145 | −85 | −43 | −14 | 0 | +22 | +43 | +55 | +67 | +83 |
| −185 | −125 | −83 | −54 | −40 | −18 | +3 | +15 | +27 | +43 | |
| 180–250 | −170 | −100 | −50 | −15 | 0 | +25 | +50 | +63 | +77 | +96 |
| −216 | −146 | −96 | −61 | −46 | −21 | +4 | +17 | +31 | +50 | |
Limit deviations for shaft tolerance zones (selection, d8…p8)
| Sizes [mm] | Tolerance zone and grade symbol (shaft) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| d8 | e8 | f8 | g8 | h8 | js8 | k8 | m8 | n8 | p8 | |
| Limit deviations [μm] | ||||||||||
| 10–18 | −50 | −32 | −16 | −6 | 0 | +13.5 | +27 | +34 | +39 | +45 |
| −77 | −59 | −43 | −33 | −27 | −13.5 | 0 | +7 | +12 | +18 | |
| 18–30 | −65 | −40 | −20 | −7 | 0 | +16.5 | +33 | +41 | +48 | +55 |
| −98 | −73 | −53 | −40 | −33 | −16.5 | 0 | +8 | +15 | +22 | |
| 30–50 | −80 | −50 | −25 | −9 | 0 | +19.5 | +39 | +48 | +56 | +65 |
| −119 | −89 | −64 | −48 | −39 | −19.5 | 0 | +9 | +17 | +26 | |
| 50–80 | −100 | −60 | −30 | −10 | 0 | +23 | +46 | +57 | +66 | +78 |
| −146 | −106 | −76 | −56 | −46 | −23 | 0 | +11 | +20 | +32 | |
| 80–120 | −120 | −72 | −36 | −12 | 0 | +27 | +54 | +67 | +77 | +91 |
| −174 | −126 | −90 | −66 | −54 | −27 | 0 | +13 | +23 | +37 | |
| 120–180 | −145 | −85 | −43 | −14 | 0 | +31.5 | +63 | +78 | +90 | +106 |
| −208 | −148 | −106 | −77 | −63 | −31.5 | 0 | +15 | +27 | +43 | |
| 180–250 | −270 | −100 | −50 | −15 | 0 | +36 | +72 | +89 | +103 | +122 |
| −242 | −172 | −122 | −87 | −72 | −36 | 0 | +17 | +31 | +50 | |
Limit deviations for shaft tolerance zones (selection, r6…u9)
| Sizes [mm] | Tolerance zone and grade symbol (shaft) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| r6 | r7 | r8 | s6 | s7 | s8 | u6 | u7 | u8 | u9 | |
| Limit deviations [μm] | ||||||||||
| 10–18 | +34 | +41 | +50 | +39 | +46 | +55 | +44 | +51 | +60 | +76 |
| +23 | +23 | +23 | +28 | +28 | +28 | +33 | +33 | +33 | +33 | |
| 18–24 | +41 | +49 | +61 | +48 | +56 | +68 | +54 | +62 | +74 | +93 |
| +28 | +28 | +28 | +35 | +35 | +35 | +41 | +41 | +41 | +41 | |
| 24–30 | +41 | +49 | +61 | +48 | +56 | +68 | +61 | +69 | +81 | +100 |
| +28 | +28 | +28 | +35 | +35 | +35 | +48 | +48 | +48 | +48 | |
| 30–40 | +50 | +59 | +73 | +59 | +68 | +82 | +76 | +85 | +99 | +122 |
| +34 | +34 | +34 | +43 | +43 | +43 | +60 | +60 | +60 | +60 | |
| 40–50 | +50 | +59 | +73 | +59 | +68 | +82 | +86 | +95 | +109 | +132 |
| +34 | +34 | +34 | +43 | +43 | +43 | +70 | +70 | +70 | +70 | |
| 50–65 | +60 | +71 | +87 | +72 | +83 | +99 | +106 | +117 | +133 | +161 |
| +41 | +41 | +41 | +53 | +53 | +53 | +87 | +87 | +87 | +87 | |
| 65–80 | +62 | +73 | +89 | +78 | +89 | +105 | +121 | +132 | +148 | +176 |
| +43 | +43 | +43 | +59 | +59 | +59 | +102 | +102 | +102 | +102 | |
| 80–100 | +73 | +86 | +105 | +93 | +106 | +125 | +146 | +159 | +178 | +211 |
| +51 | +51 | +51 | +71 | +71 | +71 | +124 | +124 | +124 | +124 | |
| 100–120 | +76 | +89 | +108 | +101 | +114 | +133 | +166 | +179 | +198 | +231 |
| +54 | +54 | +54 | +79 | +79 | +79 | +144 | +144 | +144 | +144 | |
| 120–140 | +88 | +103 | +126 | +117 | +132 | +155 | +195 | +210 | +233 | +270 |
| +63 | +63 | +63 | +92 | +92 | +92 | +170 | +170 | +170 | +170 | |
| 140–160 | +90 | +105 | +128 | +125 | +140 | +163 | +215 | +230 | +253 | +290 |
| +65 | +65 | +65 | +100 | +100 | +100 | +190 | +190 | +190 | +190 | |
| 160–180 | +93 | +108 | +131 | +133 | +148 | +171 | +235 | +250 | +273 | +310 |
| +68 | +68 | +68 | +108 | +108 | +108 | +210 | +210 | +210 | +210 | |
| 180–200 | +106 | +123 | +149 | +151 | +168 | +194 | +265 | +283 | +308 | +351 |
| +77 | +77 | +77 | +122 | +122 | +122 | +236 | +236 | +236 | +236 | |