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 self drillling screws, Bi-metal screws, concrete screws

Manufacturer of steel wire, nails and screws

Manufacturer of wood, chipboard and drywall special screws and screws for steel structures

Manufacturer of wood, decking, roofing, chipboard, concrete, drywall, self tapping and self drilling screws

Manufacturer of wood screws, drywall screws, self tapping and self drilling screws, bi-metal

Manufacturer of chipboard, wood, drywall, concrete, self tapping, self drilling and micro screws

Manufacturer of screws for automotive and special parts ISO 14001:2004 certified

Manufacturer of wood screws and distributor of other fasteners

Manufacturer specialized in nails, coil nails, self tapping screws, self drilling screws, wood screws and drywall 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)