Suppliers of Tapping screws, cross recessed oval head

Standard DIN EN ISO 7051

Tapping screws, cross recessed oval head

This standard DIN EN ISO 7051 specifies the characteristics of cross-recessed raised countersunk (oval) head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.

Dimensions in mm - source DIN EN ISO 7051 Publication date: 11/2011 Supersedes DIN ISO 7051:08/1990
Ø thread size	P	dk max.	dk min	f ≈	k max.	recess nr	m type H	m type Z	y type C	y type F	y type R
2.2	0.8	3.8	3.5	0.5	1.1	0	1.9	2	2	1.6	-
2.9	1.1	5.5	5.2	0.7	1.7	1	3.2	3	2.6	2.1	-
3.5
4.2
4.8
5.5
6.3
8
9.5

DIN EN ISO 7051 - commercial lengths
thread size	ST 2.2	ST 2.9	ST 3.5	ST 4.2	ST 4.8	ST 5.5	ST 6.3	ST 8	ST 9.5
nominal length l
4.5	X
6.5
9.5
13
16
19
22
25
32
38
45
50

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH,Burggrafenstraße 6, 10787 Berlin, Germany.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Standard DIN 7983

Attention

This standard has been replaced by DIN EN ISO 7051

Attention

This standard has been withdrawn

Tapping screws, cross recessed oval countersunk head

Dimensions in mm - source DIN 7983 Withdrawn Publication date: 08/ 1990
Ø thread size	P	dk max.	dk min	f	k max.	recess Nr.	m type H	m type Z	y type C	y type F
2.2	0.8	4.3	4	0.7	1.3	1	2.8	2.4	2	1.6
2.9	1.1	5.5	5.2	0.9	1.7	1	3.4	3.1	2.6	2.1
3.5
3.9
4.2
4.8
5.5
6.3

DIN 7983 - ≈ weight in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial sizes
d thread size	ST 2.2	ST 2.9	ST 3.5	ST 3.9	ST 4.2	ST 4.8	ST 5.5	ST 6.3	ST 8	ST 9.5
nominal length l
4.5	0.18	0.332
6.5
9.5
13
16
19
22
25
32
38
45
50

Reproduced by permission of DIN Deutsches Institut für Normung e. V. The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from Beuth Verlag GmbH,Burggrafenstraße 6, 10787 Berlin, Germany.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Standard NF E25-657

Tapping screws, cross recessed oval countersunk head

Dimensions in mm - source NF E25-657

Publication date: 12- 1984

Ø thread size	P	dk max.	dk min	f	k max.	recess Nr.	m type H	m type Z	y type C	y type F
2.2	0.8	4.3	4	0.7	1.3	1	2.8	2.4	2	1.6
2.9	1.1	5.5	5.2	0.9	1.7	1	3.4	3.1	2.6	2.1
3.5	1.3	6.8	6.44	1.2	2.1	2	4.6	4.3	3.2	2.5
3.9
4.2
4.8
5.5
6.3

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from AFNOR - Association Française de Normalization, 11 Rue Francis de Pressensé, 93210 Saint-Denis, France.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Standard UNI 6956

Tapping screws, cross recessed oval countersunk head

Dimensions in mm - source UNI 6956 Publication date: 11 / 1978
Ø thread size	P	dk max.	dk min	f	k max.	recess Nr.	m type H	m type Z
2.2	0.8	4.3	4	0.7	1.3	1	2.8	2.4
2.9	1.1	5.5	5.2	0.9	1.7	1	3.4	3.1
3.5
3.9
4.2
4.8
5.5
6.3

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from UNI - Ente italiano di normazione Via Sannio 2 - 20137 Milano, Italy.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Standard BS 4174 13

Cross Recess 80° Raised Countersunk Head Screws

Dimensions in mm - source BS 4174 Table 13 Cross Recess 80° Raised Countersunk Head Tapping Screws Publication date: 10 - 1972
Ø thread size	dk min	dk mx	k max	t min	t max	f nom	reccess nr.	m nom
ST 2.2	3.73	4.37	1.3	1.22	1.62	0.64	1	2.41
ST 2.9	4.95	5.71	1.7	1.93	2.34	0.84	1	3.12
ST 3.5
ST 4.2
ST 4.8
ST 5.5
ST 6.3
ST 8

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from BSI -The British Standards Institution, 389 Chiswick High Road, London, W4 4AL, UK.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Standard BS 4174 15

Cross Recess 80° truncated Raised Countersunk Head Screws

Dimensions in mm - source BS 4174 Cross Recess 80° truncated Raised Countersunk Head Screws [Table 15] Publication date: 10 - 1972
Ø thread size	dk min	dk mx	m min	k max	t min	t max	f nom	reccess nr.	m nom
ST 2.2	3.73	4.37	0.71	0.91	1.22	1.62	0.64	1	2.41
ST 2.9	4.95	5.71	0.96	1.19	1.93	2.34	0.84	1	3.12
ST 3.5
ST 4.2
ST 4.8
ST 5.5
ST 6.3
ST 8

The definitive version for the implementation of this standard is the edition bearing the most recent date of issue, obtainable from BSI -The British Standards Institution, 389 Chiswick High Road, London, W4 4AL, UK.
WARNING - The datasheets provided by this site (fasten.it) are only advisory in support of the commercial activity and their use by anyone is entirely voluntary. Reliance on their contents for any purpose by anyone is at his/her sole risk and Fasten.it s.r.l./www.fasten.it is not responsible for any loss, claim or damage arising there from.

Technical data for Tapping screws, cross recessed oval head

This product is regulated by the following standards:

Standard DIN EN ISO 7051

Standard DIN 7983

Standard NF E25-657

Standard UNI 6956

Standard BS 4174 13

Standard BS 4174 15

Tapping screws, cross recessed oval head

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