深（shēn）圳杜克密封科技有（yǒu）限（xiàn）公司
DKK Sealing Technology Co.,Ltd.
全國統一服務熱線
DKK Sealing Technology Co.,Ltd.
全國統一服務熱線
全（quán）國統一服（fú）務熱線
O-RING尺寸公差標（biāo）準-DIN 3771
| 德國 DIN3771 標準 | |||||||
| 內徑ID/mm | 公差（±） | 內徑ID/mm | 公差（±） | 內徑ID/mm | 公（gōng）差（±） | 內徑ID/mm | 公差（±） |
| 1.80-2.50 | 0.13 | 65.01-67.00 | 0.59 | 212.01-218.00 | 1.67 | 375.01-387.00 | 2.76 |
| 2.51-4.50 | 0.14 | 67.01-69.00 | 0.61 | 218.01-224.00 | 1.71 | 387.01-400.00 | 2.84 |
| 4.51-6.30 | 0.15 | 69.01-71.00 | 0.63 | 224.01-230.00 | 1.75 | 400.01-412.00 | 2.91 |
| 6.31-8.50 | 0.16 | 71.01-73.00 | 0.64 | 230.01-236.00 | 1.79 | 412.01-425.00 | 2.99 |
| 8.51-10.00 | 0.17 | 73.01-75.00 | 0.66 | 236.01-243.00 | 1.83 | 425.01-437.00 | 3.07 |
| 10.01-11.20 | 0.18 | 75.01-77.50 | 0.67 | 243.01-250.00 | 1.88 | 437.01-450.00 | 3.15 |
| 11.21-14.00 | 0.19 | 77.51-80.00 | 0.69 | 250.01-258.00 | 1.93 | 450.01-462.00 | 3.22 |
| 14.01-16.00 | 0.20 | 80.01-82.50 | 0.71 | 258.01-263.00 | 1.98 | 462.01-475.00 | 3.30 |
| 16.01-18.00 | 0.21 | 82.51-85.00 | 0.73 | 263.01-272.00 | 2.02 | 475.01-487.00 | 3.37 |
| 18.01-20.00 | 0.22 | 85.01-87.50 | 0.75 | 272.01-280.00 | 2.08 | 487.01-500.00 | 3.45 |
| 20.01-21.20 | 0.23 | 87.51-90.00 | 0.77 | 280.01-290.00 | 2.14 | 500.01-515.00 | 3.54 |
| 21.21-23.60 | 0.24 | 90.01-92.50 | 0.79 | 290.01-300.00 | 2.21 | 515.01-530.00 | 3.63 |
| 23.61-25.00 | 0.25 | 92.51-95.00 | 0.81 | 300.01-307.00 | 2.25 | 530.01-545.00 | 3.72 |
| 25.01-26.50 | 0.26 | 95.01-97.50 | 0.83 | 307.01-315.00 | 2.30 | 545.01-560.00 | 3.81 |
| 26.51-28.00 | 0.28 | 97.51-100.00 | 0.84 | 315.01-325.00 | 2.37 | 560.01-580.00 | 3.93 |
| 28.01-30.00 | 0.29 | 100.01-103.00 | 0.87 | 325.01-335.00 | 2.43 | 580.01-600.00 | 4.05 |
| 30.01-31.50 | 0.31 | 103.01-106.00 | 0.89 | 335.01-345.00 | 2.49 | 600.01-615.00 | 4.12 |
| 31.51-33.50 | 0.32 | 106.01-109.00 | 0.91 | 345.01-355.00 | 2.56 | 615.01-630.00 | 4.22 |
| 33.51-34.50 | 0.33 | 109.01-112.00 | 0.93 | 355.01-362.00 | 2.62 | 630.01-650.00 | 4.34 |
| 34.51-35.50 | 0.34 | 112.01-115.00 | 0.95 | 362.01-375.00 | 2.68 | 650.01-670.00 | 4.46 |
| 35.51-36.50 | 0.35 | 115.01-118.00 | 0.97 | ||||
| 36.51-37.50 | 0.36 | 118.01-122.00 | 1.00 | ||||
| 37.51-38.70 | 0.37 | 122.01-125.00 | 1.03 | ||||
| 37.71-40.00 | 0.38 | 125.01-128.00 | 1.05 | ||||
| 40.01-41.20 | 0.39 | 128.01-132.00 | 1.08 | 線徑CS/mm | 公差（+/-） | ||
| 41.21-42.50 | 0.40 | 132.01-136.00 | 1.10 | 0-1.80 | 0.08 | ||
| 42.51-43.70 | 0.41 | 136.01-140.00 | 1.13 | 1.81-2.65 | 0.09 | ||
| 43.71-45.00 | 0.42 | 140.01-145.00 | 1.17 | 2.66-3.55 | 0.10 | ||
| 45.01-46.20 | 0.43 | 145.01-150.00 | 1.20 | 3.56-5.30 | 0.13 | ||
| 46.21-47.50 | 0.44 | 150.01-155.00 | 1.24 | 5.31-7.00 | 0.15 | ||
| 47.51-48.70 | 0.45 | 155.01-160.00 | 1.27 | 7.01-8.70 | 0.18 | ||
| 48.71-50.00 | 0.46 | 160.01-165.00 | 1.31 | 8.71-10.40 | 0.22 | ||
| 50.01-51.50 | 0.47 | 165.01-170.00 | 1.34 | * 凡（fán）屬公製尺寸或未有標準公差尺寸 之（zhī）O型密封圈皆可適用此標準 * 依據：DIN3771 | |||
| 51.51-53.00 | 0.48 | 170.01-175.00 | 1.38 | ||||
| 53.01-54.50 | 0.50 | 175.01-180.00 | 1.41 | ||||
| 54.51-56.00 | 0.51 | 180.01-185.00 | 1.44 | ||||
| 56.01-58.00 | 0.52 | 185.01-190.00 | 1.48 | ||||
| 58.01-60.00 | 0.54 | 190.01-195.00 | 1.51 | ||||
| 60.01-61.50 | 0.55 | 195.01-200.00 | 1.55 | ||||
| 61.51-63.00 | 0.56 | 200.01-206.00 | 1.59 | ||||
| 63.01-65.00 | 0.58 | 206.01-212.00 | 1.63 | ||||
