have hexagonal heads and threads that will accept a nut.
To accommodate this, I used 1/2" hex head machine bolts
bought to get the longest possible unthreaded section of shaft, with the threads cut off and the end filed smooth.
and nuts to attach the track to the hanger
* (8) #10 3/4-inch countersunk machine bolts
(slide to angle base)
Materials: Dog kennel; eleven 1-inch pipe clamps; 6 treated 6-foot, 2-by-4 boards; footing anchors; wire hog panels; nylon zip ties (or other fasteners); tubular foam-pipe insulation; weed barrier and landscape staples (optional); UV-treated, reinforced polyethylene sheeting; 8 treated 6-foot, 1-by-2 wood strips; screws and washers; spring clamps; planter hooks with machine bolts
and nuts (optional); tables, irrigation, and shade cloth (optional).
Two transverse machine bolts
tighten the receiver around the barrel shank.
Use 1/4-inch machine bolts
with washers and lock washers to make a tight fit before you put it to work.
Lewis simply machines both the receiver insertion shaft and the barrel extension to exacting standards, then uses two large machine bolts
to clamp down the split part of the receiver tightly around the barrel extension.
Kids press the singular remote button and the machine bolts
forward; release the button and it spins.