Technical data for Hexagon head wood screws, lag screws

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This product is regulated by the following standards:

Standard DIN 571

Hexagon head wood screws

This standard DIN 571 specifies the characteristics of hexagon head wood screws for thread diameters between 4 mm to 20 mm which are used outside areas requiring approval, such as timber structures for load-bearing purposes.

Dimensions in mm - source DIN 571
Publication date: 12/2016 - Supersedes DIN 571: 11/2010
thread size	d min	k nom	s nom	e min
4	3.52	2.8	7	7.5
5
6
7
8
10
12
16
20

Dimensions in mm - source DIN 571
Publication date: 11/2010 - Supersedes DIN 571: 12/1986
thread size	d min	k nom	s nom	e min
4	3.52	2.8	7	7.5
5
6
7
8
10
12
16
20

Dimensions in mm - source DIN 571
Publication date: 12/1986 - Supersedes DIN 571: 03/1975
thread size	d min	k nom	s nom	e min
4	3.52	2.8	7	7.5
5
6
7
8
10
12
16
20

DIN 571 2010 Approximate mass, in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	4	5	6	7	8	10	12	16	20
nominal length l
16	1.71	2.92
20	2.01	3.42	5.02
25	2.41	4.02	5.82		11.5
30
35
40
45
50
55
60
65
70
75
80
90
100
110
120
130
140
150
160
170
180
190
200

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 Hexagon head wood screws, lag screws

This product is regulated by the following standards:

Standard DIN 571

Standard UNI 704

Standard NF E25-607

Hexagon head wood screws, lag screws

Suppliers of Hexagon head wood screws, lag screws

Manufacturer of fasteners for buildings

Manufacturer and distributor of wood and construction screws, both standard and special

Manufacturer of machine screws, carriage bolts and leg screws

Manufacturer of drywall screws and chipboard screws and tapping screws

Manufacturer and distributor of wood screws, self drilling, chipboard screws, anchors and construction fixings.

Manufacturer of anchors and wood screws

Manufacturer of screws and fixing for buildings

One of Germany’s leading manufacturers of screw and fixing systems for wood construction, concrete and metal applications as well as for heavy-duty fixings. The company currently employs 300 people and avails of a production area spanning 20,000 m².

Manufacturer of timber screws, chipboard screws, drywall screws, self-drilling screws

Manufacturer specialized in self drilling screws, machine screws, wood screws and thread cutting screws. Metric and inch series.

Dimensions in mm - source UNI 704
Publication date: 11/2010 Supersedes UNI 704 1980
thread size	P	d min	k nom	s nom	e min
4	1.5	3.52	2.8	7	7.5
5
6
7
8
10
12
16
20

Dimensions in mm - source NF E25-607
Publication date: 11/1985
thread size	P	d min	d max	k min	k max	s nom
5	2	4.52	5	3.12	3.88	8
6
7
8
10
12
14
16
18
20