DIN 7972 Dimensions, Specifications, Equivalent Standards, Weights, PDF

DIN 7972 Slotted Countersunk Head Tapping Screws

Slotted Countersunk Head Tapping Screws

Slotted Countersunk Head Tapping Screws

DIN 7972 Equivalent

DIN 7972 Alias

French (fr): DIN 7972 Tête plate fraisée taraudeuses avec la fente
German (de): DIN 7972 Senk-Blechschrauben mit Schlitz
Italian (it): DIN 7972 Viti autofilettanti a testa svasata con intaglio
Dutch (nl): DIN 7972 Verzonken platte kop te tikken schroeven met sleuf
Czech (cs): DIN 7972 Šrouby do plechu se zápustnou hlavou

DIN 7972 Dimensions

Thread size		ST2.2	ST2.9	ST3.5	(ST3.9)	ST4.2	ST4.8	ST5.5	ST6.3
P		0.8	1.1	1.3	1.3	1.4	1.6	1.8	1.8
a	max.	0.8	1.1	1.3	1.3	1.4	1.6	1.8	1.8
dk	nominal=max.	4.3	5.5	6.8	7.5	8.1	9.5	10.8	12.4
dk	min.	4	5.2	6.44	7.14	7.74	9.14	10.37	11.97
k	approx.	1.3	1.7	2.1	2.3	2.5	3	3.4	3.8
n	nominal	0.6	0.8	1	1	1.2	12	1.6	1.6
	min.	0.66	0.86	1.06	1.06	1.26	1.26	1.66	1.66
	max.	0.8	1	1.2	1.2	1.51	1.51	1.91	1.91
r	max.	0.8	1.1	1.4	1.5	1.6	1.9	2.1	2.4
t	min.	0.4	0.5	0.6	0.7	0.75	0.85	1	1.2
t	max.	0.6	0.75	0.95	1.05	1.15	1.35	1.5	1.75
y max.	Type C	2	2.6	3.2	3.5	3.7	4.3	5	6
y max.	Type F	1.6	2.1	2.5	2.7	2.8	3.2	3.6	3.6

Thread size					ST2.2	ST2.9	ST3.5	(ST3.9)	ST4.2	ST4.8	ST5.5	ST6.3
l	Type C		Type F		Approximate mass (7.85 kg/dm3). per 1000 units in kg
nominal	min.	max.	min.	max.	Approximate mass (7.85 kg/dm3). per 1000 units in kg
6.5	5.7	7.3	5.7	6.5	0.14	0.242
9.5	8.7	10.3	8.7	9.5	0.2	0.35	0.548	0.658	0.775	1.1
13	12.2	13.8	12.2	13	0.27	0.476	0.722	0.88	1.02	1.45	2.11	2.53
16	15.2	16.8	15.2	16	0.33	0.584	0.871	1.07	1.23	1.75	2.49	3.07
19	18.2	19.8	18.2	19		0.692	1.02	1.26	1.44	2.05	2.87	3.61
22	21.2	22.8	20.7	22			1.17	1.45	1.65	2.35	3.26	4.15
25	24.2	25.8	23.7	25			1.32	1.64	1.86	2.65	3.65	4.69
32	30.7	33.3	30.7	32					2.35	3.35	4.56	5.95
38	36.7	39.3	36.7	38						3.95	5.34	7.03