Key height

Shaft diameter	Key width	Max. key height	Min. key height
.375	.093	.322	.307
.500	.125	.430	.415
.625	.188	.517	.502
.750	.188	.644	.630
.875	.188	.771	.756
1.000	.250	.859	.844
1.125	.250	.986	.971
1.188	.250	1.049	1.034
1.250	.250	1.112	1.098
1.375	.313	1.201	1.186
1.438	.375	1.215	1.211
1.500	.375	1.289	1.274
1.625	.375	1.416	1.401
1.688	.375	1.479	1.464
1.750	.375	1.542	1.527
1.938	.500	1.655	1.640
2.000	.500	1.718	1.704
2.188	.500	1.909	1.894
2.250	.500	1.972	1.957
2.438	.625	2.084	2.070
2.500	.625	2.148	2.133