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Building a better Guinea and Feather

Step 7Bottom O-ring block

Bottom O-ring block

Like the Top O-ring block, this part has a 2.25" through hole with a 2.5" counterbore as well as the O-ring grooves. Additionally though, it has two 1/4"-18 holes for the right angle brass fittings, eight 1/4"-20 holes to mount the bottom cap block, and six #10-32 holes to mount Al channel brackets.

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