Technical data for Cross recessed countersunk flat head wood screws

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This product is regulated by the following standards:

Standard DIN 7997

Cross-recessed countersunk head wood screws

This standard (DIN 7997) specifies the characteristics of cross-recessed countersunk head wood screws for thread diameters between 2 mm to 8 mm which are used outside areas requiring approval, such as timber structures for load-bearing purposes.

Cross recessed countersunk flat head wood screws

Dimensions in mm - source DIN 7997 Publication date: 12/2016 Supersedes DIN 7997: 12/2010
thread size	2	2.5	3.0	3.5	4.0	4.5	5.0	5.5	6.0	7	8
ds min	1.6	2.1	2.6	3.02	3.52	4.02	4.52	5.02	5.52	6.42	7.42
dk nom	3.8	4.7	5.6	6.5	7.5	8.3	9.2	10.2	11	12.5	14
k max.
Cross recess nr
m (type H)
m (Type Z)

Dimensions in mm - source DIN 7997 Publication date: 12/2010 Supersedes DIN 7997: 12/1984
thread size	2	2.5	3.0	3.5	4.0	4.5	5.0	5.5	6.0	7	8
ds min	1.6	2.1	2.6	3.02	3.52	4.02	4.52	5.02	5.52	6.42	7.42
dk nom	3.8	4.7	5.6	6.5	7.5	8.3	9.2	10.2	11	12.5	14
k max.
Cross recess nr
m (type H)
m (Type Z)

DIN 7997 - ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm³) - commercial items
d thread size	2	2.5	3	3.5	4	4.5	5	5.5	6	7	8
nominal length l
10		0.37	0.6	0.79
12
16
20
25
30
35
40
45
50
60
70
80

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 Cross recessed countersunk flat head wood screws

This product is regulated by the following standards:

Standard DIN 7997

Standard NF E25-601

Cross recessed countersunk flat head wood screws

Suppliers of Cross recessed countersunk flat head wood screws

Manufacturer of chipboard screws, drywall screws, concrete screws, machine screws, nail screws, twinfast thread woodscrews.

Manufacturer of wood screws, concrete screws and screws for automotive. Manufacturer of screws with registered trademark.

Produttore e distributore di viti autoperforanti, per legno e per coperture in acciaio e acciaio inox

Manufacturer of furniture fasteners and fixings

Manufacturer and distributor of wood, chipboard, drywall and self drilling screws

Manufacturer of wood, drywall and chipboard screws, self drilling screws, diameter M2- M20, length 4mm-420mm

Manufacturer and distributor of self tapping screws, self drilling screws and wood screws

Dimensions in mm - source NF e25-601 Publication date: 05/1984
thread size	2.5	3.0	3.5	4.0	4.5	5.0	5.5	6.0
P	1.1	1.35	1.6	1.8	2	2.2	2.4	2.6
ds min	2.1	2.6	3.02	3.52	4.02	4.52	5.02	5.52
dk nom
k max.
Cross recess nr
m (Type Z)