Technical data for Tapping screws, cross recessed pan head

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This product is regulated by the following standards:

Standard DIN EN ISO 7049

Tapping screws, cross recessed pan head

This standard DIN EN ISO 7049 specifies the characteristics of cross-recessed pan head tapping screws with thread sizes from ST 2,2 to ST 9,5 inclusive.

Dimensions in mm - source DIN EN ISO 7049 Publication date: 11/2011 Supersedes DIN ISO 7049: 08/1990
Ø thread size	P	dk max	dk min	k max	k min	recess nr.	Type H m ref.	Type Z m ref.	y type C	y type F
2.2	0.8	4	3.7	1.6	1.4	0	1.9	2	2	1.6
2.9	1.1	5.6	5.3	2.4	2.15	1	3	3	2.6	2.1
3.5
4.2
4.8
5.5
6.3
8
9.5

DIN EN ISO 7049 - 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.
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Technical data for Tapping screws, cross recessed pan head

This product is regulated by the following standards:

Standard DIN EN ISO 7049

Standard UNI 6954

Standard DIN 7981

Standard NF E25-658

Standard BS 4174 17

Tapping screws, cross recessed pan head

Suppliers of Tapping screws, cross recessed pan head

Jiaxing Haina Fasteners is a stainless steel fastener supplier. We have a large Stock. The materials include A2 A4, 316Ti, 904L, 2205 and 2507. Our main products are bolts, nuts, screws, threaded bars, washers

Company specialized in the production of fasteners and fixings for industrial applications in the following fields: automotive, home appliances, mechanical, components, building industry. Leader in the manufacturing of special fasteners.

Manufacturer of thread cutting screws, thread forming screws, screws for plastic materials and special cold forged screws

Company leader in the commerce of nuts, bolts. Range of more than 100.000 products such as screws, bolts, technical articles, industrial wheels, Tie rods for ropes and tools.

Manufacturer specialized in self tapping and machine screws. Diameters: M2-M10 Lengths: 4-220 mm

Manufacturer of special screws, cold forged. Self tapping screws, for plastic and wood

Producer of special screws for plastic, thread-ridging screws

Manufacturer and distributor of wood screws, chipboard screws, drywall screws, self drilling, thread rolling and self tapping screws. Metric and inch sizes.

Dimensions in mm - source UNI 6594 Withdrawn
Publication date: 11 / 1978
Ø thread size	P	dk max	dk min	k max	k min	recess nr.	Type H m ref.	Type Z m ref.	y type C	y type F
2.2	0.8	4.2	3.9	1.8	1.55	1	2.6	2.4	2	1.6
2.9
3.5
3.9
4.2
4.8
5.5
6.3

Dimensions in mm - source DIN 7981 Withdrawn
Publication date: 08/1990 - Supersedes DIN 7981: 12/1984
Ø thread size	P	dk max	dk min	k max	k min	recess nr.	Type H m ref.	Type Z m ref.	y type C	y type F
2.2	0.8	4.2	3.9	1.8	1.55	1	2.6	2.4	2	1.6
2.9
3.5
3.9
4.2
4.8
5.5
6.3

DIN 7981 - ≈ 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
nominal length l
4.5	0.174
6.5
9.5
13
16
19
22
25
32
38
45
50

Dimensions in mm - source NF E25-658 Withdrawn Publication date: 12 / 1984
Ø thread size	P	dk max	dk min	k max	k min	recess nr.
2.2	0.8	4	3.7	1.6	1.4	0
2.9	1.1	5.6	5.3	2.4	2.15	1
3.5
4.2
4.8
5.5
6.3
8
9.5

Dimensions in mm - source BS 4174 Table 17 Cross recess pan head self tapping screws
Publication date: 10 / 1972
Ø thread size	dk max	dk min	k max	k min	recess nr.	t min	t max	r nom	Type Z m ref.
2.2	4.24	3.94	1.35	1.14	1	1.22	1.62	3.35	2.44
2.9
3.5
3.9
4.2
4.8
5.5
6.3