Are they the support bolts that are underneath the tractor and support the bands from the bottom?
I would guess a standard bolt probably doesn't have enough threads on it, but I've never removed one from any tractor to look at it. Why not thread one on down? I doubt the tip shape is real critical, it just supports the band from beneath so it doesnt sag and drag the upper sections on the brake drum when the brake is released.
If it is the support bolts you can buy continuous thread bolts up to 6 inch long from McMaster-Carr. Choice of grade 8 square (set screw) head like original or regular hex.
S/N#8R-641. Yes they are the bolts that support the brake bands from underneath.If I cant find bolts long enough with long enough threads,then I plan to make my own.
Our channel highlights machines from the earliest Holt and Best track-type tractors, equipment from the start of Caterpillar in 1925, up to units built in the mid-1960s.
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