Standard ACME Screw

Standard ACME Screw		 Dimensional Specifications Performance Specifications
Screw Size
# of Starts
Lead
Threads Per Inch
Min. Root Diameter
Weight (lbs/ft)
Screw Material #
Nut Material 		1/4-20
1
0.050
20
0.175
0.130
304SS
#660 Bronze
 Screw Size
Dynamic Capacity (lbs)
Static Capacity (lbs)
Torque to raise 1 lb. (in-lbs)
Forward Driving Efficiency
Thread Class 		1/14-20
300
1,000
0.027
30%
2G