LEFT HAND THREAD BOLTS AND SCREWS
Bolts and screws with left-hand thread shall be marked with symbols shown either on the
top of the head or on the point. Marking is required for bolts and screws with nominal
thread diameter 5 mm and larger.
The left threaded markings does not apply to the photo's switches. They are all three right threaded. _________________ Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100
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