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Lead Screw Code Selection

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Lead Code	1.8 Degree Motor Travel per Step inch(mm)	Motor Size(mm)
		14/20	28		35/42			57/60			86
		Screw Dia. inch(mm)
		Ф3.5	Ф4.77	Ф5.56	Ф6	Ф6.35	Ф8	Ф9.525	Ф10	Ф12	Ф15.875
		[0.138'']	[0.188'']	[0.218'']	[0.236'']	[0.25'']	[0.315'']	[0.375'']	[0.394'']	[0.472'']	[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]
H	0.000415'' [0.010583]							0.083'' [2.1167]
J	0.00048'' [0.012192]			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	0.000835'' [0.021167]							0.167'' [4.2333]
Q	0.00096'' [0.024384]			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	0.0016665'' [0.042333]					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]
AF	0.000059'' [0.0015]	0.0118'' [0.3]
AB	0.000197'' [0.005]	0.0394''			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]

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