Originally Posted by
RCREDD
For those of you with the Emco mills who either don't have any T-Nuts or T-bolt or if you just want more, here is what I have found and use.
They are square headed 3/8-16 bolts, with heads that measure .555 square (9/16", 14mm) by .255 tall (1/4", 6.5mm). I do believe there is a metric equivilent also made. I buy these at the local hardware store for less than $1.00 US per bolt, depending on length, which runs from 3/4" to 6".
The bolts I am buying are of a good grade and have served me well.