Dimensions for CSN 21236 - Slotted countersunk head tapping screws

Thread	p	a	dk		k	n			r	t		y max
		max	nominal=max	min	approx	nominal	min	max	max	min	max	Type C	Type F
ST 2.2	0.8	0.8	4.3	4	1.3	0.6	0.66	0.8	0.8	0.4	0.6	2	1.6
ST 2.9	1.1	1.1	5.5	5.2	1.7	0.8	0.86	1	1.1	0.5	0.75	2.6	2.1
ST 3.5	1.3	1.3	6.8	6.44	2.1	1	1.06	1.2	1.4	0.6	0.95	3.2	2.5
ST 3.9	1.3	1.3	7.5	7.14	2.3	1	1.06	1.2	1.5	0.7	1.05	3.5	2.7
ST 4.2	1.4	1.4	8.1	7.74	2.5	1.2	1.26	1.51	1.6	0.75	1.15	3.7	2.8
ST 4.8	1.6	1.6	9.5	9.14	3	1.2	1.26	1.51	1.9	0.85	1.35	4.3	3.2
ST 5.5	1.8	1.8	10.8	10.37	3.4	1.6	1.66	1.91	2.1	1	1.5	5	3.6
ST 6.3	1.8	1.8	12.4	11.97	3.8	1.6	1.66	1.91	2.4	1.2	1.75	6	3.6