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 and distributor of wood screws, roofing bolts and concrete screws

Manufacturer of wood construction screws, wood connectors, concrete screws and roofing screws

Manufacturer of special and standard fasteners for furniture

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

Manufacturer of self tapping screws, machine screws, wood screws and carriage bolts. Sizes from M2 to M10 and lengths up to 130 mm.

Distributor of self drilling and wood screws, nails and tools

Producer established in 1986 of drywall screws, self-drilling screws, self-tapping screws, wood screws, bi-metal screws, collated screws, concrete screws.

Manufacturer of anchors, nipples and chemical adhesives

Since 1947 we are producer, importer and wholesale trader of ironware, fasteners and wire products for construction, industry and DIY branches with clients all over Europe.

Manufacturer of fasteners for buildings

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)