HEX SOCKET KEYS  SHORT ARM SERIES
All Dimensions in Millimeters
Nom.  Key Size	Hex. Width Across flats		Length of Short Arm		Length of Long Arm		Torsional Shear  Strength Min.		Torsional Yield Strength Min.
	Max.	Min.	Max.	Min.	Max.	Min.	N.m	In.lbs	N.m	In.lbs
0.7	0.711	0.698	8	3	34	28	0.13	1.2	0.12	1.1
0.9	0.899	0.876	11	6	34	28	0.27	2.4	0.24	2.1
1.3	1.270	1.244	12	11	44	39	0.79	7.0	0.68	6.0
1.5	1.500	1.470	14	13	45	43	1.20	10.5	1.02	9.0
2	2.000	1.970	16	15	50	48	3.0	26.5	2.7	24.0
2.5	2.500	2.470	18	17	56	53	6.2	55	5.4	48
3	3.000	2.960	20	18	63	60	10.5	93	9.1	80
4	4.000	3.960	25	23	70	66	24.9	220	21.7	190
5	5.000	4.960	28	26	80	76	48.8	430	42.5	375
6	6.000	5.950	32	30	90	86	83.5	740	72.8	645
8	8.000	7.950	36	34	100	95	199	1.760	173	1.530
10	10.000	9.950	40	38	112	106	386	3.420	336	2.970
12	12.000	11.950	45	43	125	119	634	5.610	551	4.880
14	14.000	13.930	56	53	140	133	995	8.880	867	7.770
17	17.000	16.930	63	60	160	152	1710	15.100	1490	13.200
19	19.000	18.930	70	67	180	171	2380	21.000	2070	18.300