Stepper Linear Actuator Reference

Lead Screw Code Selection

Lead Code Reference Guide

Use this guide to compare lead screw codes, motor sizes, screw diameters, travel per step, and available lead options for DINGS stepper linear actuator configurations.

The table is designed as a quick reference for selecting or reviewing a lead screw code during actuator specification.

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Reference Table
Find the right lead code faster.
  • Lead code by motor size
  • Screw diameter references
  • Travel per step values
  • Metric and imperial dimensions

Lead Screw Code Selection Table

Review available lead codes by motor size and screw diameter. Values in brackets refer to metric conversions.

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Lead
Code		 1.8 Degree
Motor
Travel
per Step
inch(mm)		 Motor Size(mm)
14 14/20 28 35/42 57/60 86
Screw Dia. inch(mm)
Ф2.5 Ф3 Ф3.5 Ф4.77 Ф5.56 Ф6 Ф6.35 Ф8 Ф9.525 Ф10 Ф12 Ф12.7 Ф15.875
[0.098''] [0.118''] [0.138''] [0.188''] [0.218''] [0.236''] [0.25''] [0.315''] [0.375''] [0.394''] [0.472''] [0.5''] [0.625'']
AL 0.000063''
[0.001588]		 0.0125''
[0.3175]
AA 0.00012''
[0.003048]		 0.024''
[0.6096]		 0.024''
(0.6096)
A 0.000125"
[0.003175]		 0.025''
[0.635]		 0.025''
[0.635]		 0.025''
[0.635]
B 0.00024''
[0.006096]		 0.048''
[1.2192]		 0.048''
[1.2192]
D 0.00025''
[0.00635]		 0.05''*
[1.27]		 0.05''
[1.27]		 0.05''
[1.27]
F 0.0003125''
[0.0079375]		 0.0625''
[1.5875]		 0.0625''*
[1.5875]		 0.0625''
[1.5875]
H 0.000416''
[0.010583]		 0.083''
[2.1167]
J 0.00048''
[0.012192]		 0.096''
[2.4384]		 0.096''
[2.4384]		 0.096''
[2.4384]
K 0.0005''
[0.0127]		 0.1''
[2.54]		 0.1''*
[2.54]		 0.1''*
[2.54]		 0.1''
[2.54]
L 0.000625''
[0.015875]		 0.125''
[3.175]		 0.125''
[3.175]		 0.125''
[3.175]
P 0.000833''
[0.021167]		 0.167''
[4.2333]
Q 0.00096''
[0.024384]		 0.192''
[4.8768]		 0.192''
[4.8768]		 0.192''
[4.8768]
R 0.001''
[0.0254]		 0.2''
[5.08]		 0.2''
[5.08]		 0.2''
[5.08]		 0.2''
[5.08]
S 0.00125''
[0.03175]		 0.25''
[6.35]		 0.25''
[6.35]		 0.25''
[6.35]
U 0.0016667''
[0.042334]		 0.3333''
[8.4667]
V 0.001875''
[0.047625]		 0.375''
[9.525]
W 0.00192''
[0.048768]		 0.384''
[9.7536]		 0.384''
[9.7536]
X 0.002''
[0.0508]		 0.4''
[10.16]		 0.4''
[10.16]
Y 0.0025''
[0.0635]		 0.5''
[12.7]		 0.5''
[12.7]		 0.5''
[12.7]
Z 0.005''
[0.127]		 1''
[25.4]		 1''
[25.4]		 1''
[25.4]		 1''
[25.4]
AF 0.000059''
[0.0015]		 0.0118''
[0.3]
AB 0.000197''
[0.005]		 0.0394''
[1.0]		 0.0394''
[1.0]		 0.0394''
[1.0]		 0.0394''
[1.0]		 0.0394''
[1.0]
G 0.000394''
[0.01]		 0.0787''*
[2.0]		 0.0787''
[2.0]		 0.0787''
[2.0]		 0.0787''
[2.0]		 0.0787''
[2.0]
M 0.000787''
[0.02]		 0.1575''
[4.0]		 0.1575''
[4.0]
T 0.001575''
[0.04]		 0.3150''
[8.0]		 0.3150''
[8.0]
E 0.000985''
[0.025]		 0.1969''
[5.0]		 0.1969''
[5.0]		 0.1969''
[5.0]
C 0.00197''
[0.05]		 0.3937''
[10.0]		 0.3937''
[10.0]		 0.3937''
[10.0]
I 0.00394''
[0.1]		 0.7874''
[20.0]
N 0.000156''
[0.00397]		 0.0313''
[0.794]
CE 0.002948''
[0.075]		 0.5096''
[15.0]
IE 0.00049215''
[0.125]		 0.9843''
[25.0]
AC 0.000937''
[0.0238]		 0.1874''
[4.76]
AD 0.000099''
[0.0025]		 0.0197''
[0.5]
Note: The data in [ ] refers to the conversion between metric and imperial systems. When the division is incomplete, rounding is used to retain four significant digits.
Optional left handed rotation with * lead

Need help selecting a lead screw?

If you are unsure which lead code, screw diameter, or motor size is best for your application, our team can help review the requirements and recommend the right linear actuator configuration.

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