Page:Practical Treatise on Milling and Milling Machines.djvu/236

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TABLE OF LEADS, .670″ TO 2.182″

	DRIVEN	DRIVER	DRIVEN	DRIVER
LEAD IN INCHES	GEAR ON WORM	1ST GEAR ON STUD	2ND GEAR ON STUD	GEAR ON SCREW
.670	24	86	24	100
.781	24	86	28	100
.800	24	72	24	100
.893	24	86	32	100
.900	24	64	24	100
.930	24	72	24	86
.933	24	72	28	100
1.029	24	56	24	100
1.042	28	86	32	100
1.047	24	64	24	86
1.050	24	64	28	100
1.067	24	72	32	100
1.085	24	72	28	86
1.116	24	86	40	100
1.196	24	86	40	100
1.200	24	48	24	100
1.200	24	64	28	86
1.221	24	64	28	86
1.228	24	86	44	100
1.240	24	72	32	86
1.244	28	72	32	100
1.250	24	64	24	72
1.302	28	86	40	100
1.309	24	44	24	100
1.333	24	72	40	100
1.340	24	86	48	100
1.371	24	56	32	100
1.395	24	48	24	86
1.395	24	56	32	86
1.395	24	64	32	86
1.400	24	48	28	100
1.400	28	64	32	100
1.429	24	56	24	72
1.433	28	86	44	100
1.440	24	40	24	100
1.447	28	72	32	86
1.458	24	63	28	72
1.467	24	72	44	100
1.488	32	86	40	100
1.500	24	64	40	100
1.522	24	44	24	86
1.527	24	44	28	100
1.550	24	72	40	86
1.556	28	73	40	100
1.563	24	86	56	100
1.563	28	86	48	100
1.595	24	56	32	86
1.600	24	48	32	100
1.600	28	56	32	100
1.600	24	72	48	100
1.607	24	56	24	64
1.628	24	48	28	86
1.628	28	64	32	86
1.637	32	86	44	100
1.650	24	64	44	100
1.667	24	56	28	72
1.667	24	48	24	72
1.667	24	64	32	72
1.674	24	40	24
1.680	24	40	28	100
1.706	24	72	44	86
1.711	28	72	44	100
1.714	24	56	40	100
1.744	24	64	40	86
1.745	24	44	32	100
1.750	28	64	40	100
1.776	24	86	48	100
1.800	24	64	48	100
1.800	24	32	24	100
1.809	28	72	40	86
1.818	24	44	24	72
1.823	28	86	56	100
1.860	28	56	32	86
1.861	24	72	48	86
1.861	24	48	32	86
1.867	28	48	32	100
1.867	24	72	56	100
1.867	28	72	48	100
1.875	24	48	24	64
1.875	24	56	28	64
1.886	24	56	44	100
1.905	24	56	44	100
1.919	24	64	44	86
1.920	24	40	32	100
1.925	28	64	44	100
1.944	24	48	28	72
1.944	28	64	32
1.954	24	40	28	86
1.956	32	72	44	100
1.990	28	72	44	86
1.993	24	56	40	86
2.000	24	40	24	72
2.000	24	48	40	100
2.000	28	56	40	100
2.000	32	64	40	100
2.009	24	86	72	100
2.030	24	44	32	86
2.035	28	64	40	86
2.036	28	44	32	100
2.045	24	44	24	64
2.047	40	86	44	100
2.057	24	28	24	100
2.057	24	56	48	100
2.067	32	72	40
2.083	24	64	40	72
2.084	28	86	64	100
2.084	32	86	56	100
2.093	24	64	48	86
2.093	24	32	24	86
2.100	24	64	56	100
2.100	28	64	48	100
2.100	24	32	28	100
2.121	24	44	28	72
2.133	24	72	64	100
2.133	32	72	48	100
2.143	24	56	32	64
2.143	24	48	24	56
2.171	24	72	56	86
2.171	28	48	32	86
2.171	28	72	48	86
2.178	28	72	56	100
2.182	24	44	40	100