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[Features]
- Rubber material with excellent tear strength, mechanical strength, and oil/heat resistance.
- Similar to common metal washers; constant sealing with easy handling.
[Applications]
- Through bolt parts
- Drain/oil filter plugs
- Fittings for pipe flanges
- Prevents leakage from other inner bolts/nuts and intrusion from the outside.
Application thread size | Callout number | Nominal dimension | NOK Product code | Seal washer dimensions | Mounting dimensions | |||||||||||
(1) | (2) | (3) | (4) | (5) | (6) | (7) | ||||||||||
Dimension | Tolerance | Dimension | Dimension | Tolerance | Dimension | Dimension | Tolerance | max | min | |||||||
M4 | WF-4 | WF | 4 | 7.4 | 1 | CW1000F0 | 4.3 | ±0.2 | 5.3 | 7.4 | ±0.3 | 1 | 1.6 | ±0.3 | 4.2 | 7.2 |
M5 | WF-5 | WF | 5 | 10 | 1 | CW1005F0 | 5.3 | 7 | 10 | 1 | 1.6 | 5.2 | 8.2 | |||
M6 | WF-6 | WF | 6 | 13 | 1.2 | CW1012F0 | 6.3 | 8.5 | 13 | 1.2 | 3 | 6.2 | 10 | |||
M8 | WF-8 | WF | 8 | 15 | 1.6 | CW1025F0 | 8.3 | 10.5 | 15 | ±0.4 | 1.6 | 3 | 8.3 | 13 | ||
M10 | WF-10 | WF | 10 | 17 | 1.6 | CW1040F1 | 10.5 | 12.5 | 17 | 1.6 | 3 | 10.5 | 16 | |||
M12 | WF-12 | WF | 12 | 19 | 2 | CW1052F0 | 12.4 | 14.5 | 19 | 2 | 4 | 12.5 | 18 | |||
M14 | WF-14 | WF | 14 | 21 | 2 | CW1067F2 | 14.4 | 16.5 | 21 | 2 | 4 | 14.5 | 21 | |||
M16 | WF-16 | WF | 16 | 27 | 2 | CW1078F0 | 16.4 | 19 | 27 | 2 | 4 | 16.5 | 24 | |||
M18 | WF-18 | WF | 18 | 26 | 2 | CW1086F0 | 18.5 | 21 | 26 | 2 | 3.2 | 18.5 | 26 | |||
M20 | WF-20 | WF | 20 | 28 | 2.3 | CW1097F0 | 20.5 | ±0.3 | 23 | 28 | 2.3 | 4 | 20.5 | 28 | ||
M22 | WF-22 | WF | 22 | 31 | 2 | CW1106F1 | 22.4 | 25 | 31 | ±0.5 | 2 | 3.2 | 22.5 | 30 | ||
M24 | WF-24 | WF | 24 | 33 | 2.3 | CW1182F0 | 24.5 | 27 | 33 | 2.3 | 3.5 | 24.5 | 33 | |||
M27 | WF-27 | WF | 27 | 37 | 2.3 | CW1229F0 | 27.4 | 30 | 37 | 2.3 | 3.5 | 27.5 | 37 | |||
M30 | WF-30 | WF | 30 | 42 | 2.3 | CW1230F0 | 30.7 | 34 | 42 | 2.3 | 3.5 | 31 | 42 | |||
M33 | WF-33 | WF | 33 | 45 | 3.2 | CW1231F0 | 33.4 | 36 | 45 | 3.2 | 5 | 33.5 | 42 | |||
M36 | WF-36 | WF | 36 | 48 | 3.2 | CW1232F0 | 36.5 | 38.5 | 48 | 3.2 | 4.5 | 36.5 | 48 | |||
M39 | WF-39 | WF | 39 | 53 | 3.2 | CW1220F0 | 39.7 | 43 | 53 | 3.2 | 5 | 40 | 53 | |||
M42 | WF-42 | WF | 42 | 56 | 3.2 | CW1221F0 | 42.7 | ±0.4 | 46 | 56 | 3.2 | 5 | 43 | 56 | ||
M45 | WF-45 | WF | 45 | 61 | 3.2 | CW1222F0 | 46 | 49 | 61 | 3.2 | 5 | 46 | 61 | |||
M48 | WF-48 | WF | 48 | 65 | 3.2 | CW1223F0 | 49 | 52 | 65 | 3.2 | 5 | 49 | 65 |
Application thread size | Callout number | Nominal dimension | NOK Product code | Seal washer dimensions | Mounting dimensions | |||||||||||
(1) | (2) | (3) | (4) | (5) | (6) | (7) | ||||||||||
Dimension | Tolerance | Dimension | Dimension | Tolerance | Dimension | Dimension | Tolerance | max | min | |||||||
M4 | SUSWF-4 | WF | 4 | 7.4 | 1 | CW1000F3 | 4.3 | ±0.2 | 5.3 | 7.4 | ±0.3 | 1 | 1.6 | ±0.3 | 4.2 | 7.2 |
M5 | SUSWF-5 | WF | 5 | 10 | 1 | CW1005F4 | 5.3 | 7 | 10 | 1 | 1.6 | 5.2 | 8.2 | |||
M6 | SUSWF-6 | WF | 6 | 13 | 1.2 | CW1012F1 | 6.3 | 8.5 | 13 | 1.2 | 3 | 6.2 | 10 | |||
M8 | SUSWF-8 | WF | 8 | 15 | 1.5 | CW1025G0 | 8.3 | 10.5 | 15 | ±0.4 | 1.5 | 2.5 | 8.3 | 13 | ||
M10 | SUSWF-10 | WF | 10 | 17 | 1.5 | CW1040G0 | 10.5 | 12.5 | 17 | 1.5 | 2.5 | 10.5 | 16 | |||
M12 | SUSWF-12 | WF | 12 | 19 | 2 | CW1052F1 | 12.4 | 14.5 | 19 | 2 | 4 | 12.5 | 18 | |||
M14 | SUSWF-14 | WF | 14 | 21 | 2 | CW1067F9 | 14.4 | 16.5 | 21 | 2 | 4 | 14.5 | 21 | |||
M16 | SUSWF-16 | WF | 16 | 27 | 2 | CW1078F2 | 16.4 | 19 | 27 | 2 | 4 | 16.5 | 24 | |||
M18 | SUSWF-18 | WF | 18 | 26 | 2 | CW1086F3 | 18.5 | 21 | 26 | 2 | 3.2 | 18.5 | 26 | |||
M20 | SUSWF-20 | WF | 20 | 28 | 2 | CW1097G0 | 20.5 | ±0.3 | 23 | 28 | 2 | 3.2 | 20.5 | 28 | ||
M22 | SUSWF-22 | WF | 22 | 31 | 2 | CW1106F3 | 22.4 | 25 | 31 | ±0.5 | 2 | 3.2 | 22.5 | 30 |
Application thread size | Callout number | Nominal dimension | NOK Product code | Seal washer dimensions | Mounting dimensions | |||||||||||
(1) | (2) | (3) | (4) | (5) | (6) | (7) | ||||||||||
Dimension | Tolerance | Dimension | Dimension | Tolerance | Dimension | Dimension | Tolerance | max | min | |||||||
G1/4 | WF-13.2 | WF | 13.2 | 20 | 2 | CW1060F0 | 13.5 | ±0.2 | 15.5 | 20 | ±0.4 | 2 | 4 | ±0.3 | 13.5 | 20 |
G3/8 | WF-17 | WF | 17 | 24 | 2 | CW1082F2 | 17 | 19 | 24 | 2 | 4 | 17 | 24 | |||
G1/2 | WF-21.5 | WF | 21.5 | 30 | 2.3 | CW1101F0 | 21.5 | ±0.3 | 24 | 30 | ±0.5 | 2.3 | 4 | 21.5 | 30 | |
G3/4 | WF-26.5 | WF | 26.5 | 37 | 2.3 | CW1228F0 | 26.7 | 30 | 37 | 2.3 | 3.5 | 26.7 | 37 | |||
G7/8 | WF-31 | WF | 31 | 41.8 | 3.2 | CW1135F0 | 31 | 34.2 | 41.8 | 3.2 | 4.5 | 31 | 41.8 |
Type | Seal Washer |
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