The Cat dealers from time to time put out a flier catalogue called ONE SAFE SOURCE. It gives all the dimensions of all the current Cat part number bolts, including the grip length & head height. I keep a copy handy in the shop for the opposite reason: When a hardware store bolt fails I can usually find a high quality replacment of the same size at Cat. True, it's not the only source of good grade 8 bolts, but it's the handy one around here.
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.
Antique Caterpillar
Machinery Owners Club
1115 Madison St NE # 1117
Salem, OR 97301
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