Part Number Construction
 
Newsletter Sign Up
Name
Email
Submit
Questions?  Call 800-243-2715
Site Map  |  Catalog  |  RSS  
Related Companies

1/2" (13 mm) KERK® LEAD SCREW ASSEMBLIES

24 HR SHIPMENT - STANDARD SELECTION OF PROTOTYPES

Haydon Kerk Express

Part Number Construction

Kerk Acme Lead Screw Assemblies - Customized and standard configurations available.  Wide variety of diameters, leads, anti-backlash and general purpose nut styles, and load ratings.

Lead Screw Size List

 

Nominal Screw Diameter: 1/2" (13 mm)
Compatible Lead Screw Nut Styles: ZBX, ZBA, WDG, NTBBFW, VHD
 
Diameter Diameter
Code
Lead Lead
Code
Left
Hand
Avail.
Outside Diameter
(For Reference)
Root Diameter
(For Reference)
Efficiency
%*
inches mm in mm in mm in mm
1/2 13 050 0.050 1.27 0050   0.495 12.57 0.433 11.00 29
0.079 2.00 0079   0.473 12.01 0.355 9.02 41
0.098 2.50 0098   0.500 12.70 0.383 9.73 46
0.100 2.54 0100 0.490 12.45 0.364 9.25 46
0.125 3.18 0125   0.500 12.70 0.374 9.50 51
0.157 4.00 0157   0.500 12.70 0.384 9.75 58
0.160 4.06 0160   0.500 12.70 0.388 9.86 67
0.1667 4.23 0167   0.500 12.70 0.384 9.75 58
0.197 5.00 0197   0.500 12.70 0.365 9.27 62
0.200 5.08 0200 0.492 12.50 0.366 9.30 63
0.250 6.35 0250   0.500 12.70 0.382 9.70 67
0.333 8.46 0333 0.497 12.62 0.362 9.19 73
0.394 10.00 0394   0.497 12.62 0.362 9.19 76
0.400 10.16 0400   0.497 12.62 0.364 9.25 76
0.500 12.70 0500   0.488 12.40 0.352 8.94 79
0.630 16.00 0630   0.500 12.70 0.374 9.50 80
0.750 19.05 0750   0.525 13.34 0.399 10.13 83
0.800 20.32 0800   0.500 12.70 0.370 9.40 83
0.984 25.00 0984   0.500 12.70 0.369 9.37 84
1.000 25.40 1000 0.490 12.45 0.372 9.45 84
1.500 38.10 1500   0.490 12.45 0.374 9.50 85
2.000 50.80 2000   0.488 12.40 0.378 9.60 87

*Listed efficiencies are theoretical values based on Kerkote® TFE coated lead screws.

Shaded areas have been translated from their designed inch or mm dimension to an equivalent mm or inch dimension.