Dimensions for UNI 8117 K Drilling screws hex

Thread d	c	dc		f	e	k		k	r	s		t		Drilling range		dp
	min	max	min	approx	min	max	min	min	max	nom=max	min	min	max	from	to	max
ST3.5	0.6	8.3	7.6	0.4	5.96	3.45	3.2	1.55	0.5	5.5	5.32	1	1.4	0.7	2.25	2.8
ST3.9	0.6	8.3	7.6	0.4	5.96	3.45	3.2	1.55	0.5	5.5	5.32	1	1.4	0.7	2.4	3.1
ST4.2	0.9	8.8	8.2	0.4	7.59	4.25	4	1.9	0.6	7	6.78	1.2	1.6	1.75	3	3.6
ST4.8	0.9	10.5	9.8	0.5	8.71	4.45	4.15	2	0.7	8	7.78	1.4	1.8	1.75	4.4	4.1
ST5.5	1	11	10	0.5	8.71	5.45	5.15	2.7	0.8	8	7.78	1.6	2	1.75	5.25	4.8
ST6.3	1	13.2	12.2	0.5	10.95	6.45	6.15	3.3	0.9	10	9.78	1.8	2.2	2	6	5.8