DIN 551 Slotted Set Screws Flat Point

DIN 551 Equivalents

Slotted Set Screws

Thread size d			M1	M1.2	M1.4	M1.6	M2	M2.5	M3	(M3.5)	M4	M5	M6	M8	M10	M12
P			0.25	0.25	0.3	0.35	0.4	0.45	0.5	0.6	0.7	0.8	1	1.25	1.5	1.75
df			Minor thread diameter
dp		Nominal max.	0.5	0.6	0.7	0.8	1	1.5	2	2.2	2.5	3.5	4	5.5	7	8.5
dp		min.	0.25	0.35	0.45	0.55	0.75	1.25	1.75	1.95	2.25	3.2	3.7	5.2	6.67	8.14
n		Nominal	0.2	0.2	0.2	0.25	0.25	0.4	0.4	0.5	0.6	0.8	1	1.2	1.6	2
		max.	0.26	0.26	0.26	0.31	0.31	0.46	0.46	0.56	0.66	0.86	1.06	1.26	1.66	2.06
		min.	0.4	0.4	0.4	0.45	0.45	0.6	0.6	0.7	0.8	1	1.2	1.51	1.91	2.31
t		nominal min.	0.4	0.4	0.48	0.56	0.64	0.72	0.8	0.96	1.12	1.28	1.6	2	2.4	2.8
t		max.	0.52	0.52	0.63	0.74	0.84	0.95	1.05	1.21	1.45	1.63	2	2.5	3	3.6
l			Weight kg/1000pcs
Nominal	min.	max.	( “+” trade sizes)
2	1.8	2.2	0.007	0.011	0.015	0.021	+
2.5	2.3	2.7	0.009	0.014	0.019	0.027	+	+
3	2.8	3.2	0.011	0.017	0.023	0.033	0.048	0.075	0.11	0.15
4	3.75	4.25	0.015	0.024	0.031	0.047	0.067	0.11	0.15	0.21	0.26	0.4
5	4.75	5.25	+	+	0.04	0.061	0.068	0.14	0.2	0.27	0.34	0.52	0.72
6	5.7	6.3		+	+	0.075	0.1	0.17	0.24	0.33	0.41	0.65	0.9	1.6
8	7.7	8.3			+	+	0.14	0.23	0.33	0.45	0.57	0.9	1.25	2.3
10	9.7	10.3					+	+	0.42	0.56	0.72	1.15	1.6	3	4.2
12	11.6	12.4						+	+	0.68	0.87	1.4	1.95	3.7	5.2	+
(14)	13.6	14.4							+	+	+	1.65	2.3	4.4	6.2	+
16	15.6	16.4							+	+	+	1.9	2.65	2.1	7.2	+
20	19.6	20.4								+	+	+	3.35	6.5	9.2	+
25	24.6	25.4									+	+	+	8.3	11.7	+
30	29.6	30.4										+	+	+	14.2	+
35	34.5	35.5												+	+	+
40	39.5	40.5													+	+
45	44.5	45.5													+	+
50	49.5	50.5													+	+
55	54.4	55.6														+
60	59.4	60.6														+