We recently outsourced an acme screw with the following specs:
Stainless 303S per ASTM A582
THD.-1-5 NA-2G
Major Dia.- 1.000
Pitch Dia.- .8920
Minor Dia.- .7800
Single left/right hand ACME Thread
Pitch - .200
Thread Thickness at Pitch Line - .100
Thread angle - 29 Degrees
During the first...