Editing Step 170 —

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This step will use 5x 1/4-20 x 1/2"L Button Head Cap Screw, and 1 1/4-20 x 5/16"L Button Head Cap Screw. You will also need 6x 1/4-20 Thin Nylon Lock Nut.

Note that one of the button head cap screws is shorter than the other 5, we will use the shorter one first.

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