8mm
i think they are external torx
around 8mm, if we consider carbon steel 516-70 service material to be steam....
To convert 516 to percent multiply by 100:516 × 100 = 51,600 %
516/1
516-434 = 82
It is: 516 = DXVI
516
516 since 516 is a multiple of 4 (129x4=516)
8mm tapes can only be viewed with the aid of an 8mm player. One's best bet to watch 8mm tapes in this case is to purchase another 8mm player that is not broken.
827 - 516 = 311
5/516 = 0.00969