Overview
These fit Evergreen No. 228 tubing. The OD of the fittings is the same as Evergreen No. 228 tubing – 6,3 mm. The stud is 4,7 mm – .2 mm smaller than the No. 228 ID of 4,9 mm … the tubing size is ‘Nominal’ in dimensions. I believe it is formed through dies similar to the way pasta is made into hollow noodles. |
22-1/2° Elbow
 22-1/2° Elbow
The 22-1/2° elbow follows a 6,86 mm radius. The two studs (shown in pink) are 4,7 mm diameter. This fits the 4,9 mm ID of Evergreen No. 228 tubing.
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45° Elbow
 45° Elbow
The 45° elbow follows a 6,359 mm radius. The two studs (shown in pink) are 4,7 mm diameter. This fits the 4,9 mm ID of Evergreen No. 228 tubing.
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90° Elbow
 90° Elbow
The 90° elbow follows a 6,39 mm radius. The two studs (shown in pink) are 4,7 mm diameter. This fits the 4,9 mm ID of Evergreen No. 228 tubing. |
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