DIN 6912 Socket Head Screw Dimensions

Size	Pitch	Shank Length min. ls	Thread Length b1 (min)			Head Dia. (d2)		Head Height. (k)		Key Size (s)		Key Engagement (t)
			Length (MM)
			≤125	>125≤200	>200	Min	Max	Min	Max	Min	Max	Min	Max
M4	0.70	1.40	14.00	-	-	6.780	7.000	2.660	2.800	3.020	3.100	1.480	1.720
M5	0.80	1.80	16.00	-	-	8.250	8.500	3.320	3.500	4.020	4.120	1.880	2.120
M6	1.00	2.50	18.00	-	-	9.780	10.000	3.820	4.000	5.020	5.140	2.380	2.620
M8	1.25	3.20	22.00	-	-	12.720	13.000	4.820	5.000	6.020	6.140	2.880	3.120
M10	1.50	3.50	26.00	32.00	-	15.730	16.000	6.280	6.500	8.025	8.175	3.350	3.650
M12	1.75	4.20	30.00	36.00	-	17.730	18.000	7.280	7.500	10.025	10.175	3.850	4.150
M14	2.00	4.50	34.00	40.00	-	20.670	21.000	8.280	8.500	12.032	12.212	4.350	4.650
M16	2.00	5.00	38.00	44.00	57.00	23.610	24.000	9.780	10.000	14.032	14.212	5.350	5.650
M18	2.50	5.50	42.00	48.00	61.00	26.670	27.000	10.730	11.000	14.032	14.212	5.850	6.150
M20	2.50	6.50	46.00	52.00	65.00	29.670	30.000	11.730	12.000	17.050	17.230	6.320	6.680
M22	2.50	6.50	50.00	56.00	69.00	32.610	33.000	12.730	13.000	17.050	17.230	6.820	7.180
M24	3.00	7.00	54.00	60.00	73.00	35.610	36.000	13.730	14.000	19.065	19.275	6.820	7.180
M27	3.00	8.00	60.00	66.00	79.00	39.610	40.000	15.730	16.000	19.065	19.275	8.320	8.680
M30	3.50	8.50	66.00	72.00	85.00	44.610	45.000	17.230	17.500	22.065	22.275	8.820	9.180
M33	3.50	9.50	72.00	78.00	91.00	49.610	50.000	19.170	19.500	24.065	24.275	9.820	10.180
M36	4.00	10.50	78.00	84.00	97.00	53.540	54.000	21.170	21.500	27.065	27.275	11.280	11.720