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(Non-preferred) dimensions in parentheses.

Cross Recessed Countersunk Head Wood Screws

DIN 7997 - 2016

Display drawing:

德标DIN 7997 - 2016 DIN7997 7997DIN Cross Recessed Countersunk Head Wood Screws
Thread Size
(2) 2.5 3 3.5 4 4.5 5 (5.5) 6 (7) (8)
P Pitch
ds max=nominal size
min
dk nominal size
max
min
k max
Socket No.
M1 Form H
M2 Form Z
Penetration depth Form H min
max
Form Z min
max
0.9 1.1 1.35 1.6 1.8 2 2.2 2.4 2.6 3.2 3.6
2 2.5 3 3.5 4 4.5 5 5.5 6 7 8
1.6 2.1 2.6 3.02 3.52 4.02 4.52 5.02 5.52 6.42 7.42
3.8 4.7 5.6 6.5 7.5 8.3 9.2 10.2 11.0 12.5 14.5
4.18 5.08 5.98 6.95 7.95 8.75 9.65 10.75 11.55 13.05 15.05
3.42 4.32 5.22 6.05 7.05 7.85 8.75 9.65 10.45 11.95 13.95
1.2 1.5 1.65 1.93 2.2 2.35 2.5 2.75 3 3.5 4
0 1 1 2 2 2 2 3 3 3 4
- 2.7 2.9 3.9 4.4 4.6 4.8 6.2 6.6 6.8 8.7
- 2.8 3.0 4.0 4.2 4.4 5.0 6.1 6.3 7.0 8.5
- 1.25 1.50 1.40 1.90 2.10 2.29 2.31 2.80 2.95 3.90
- 1.55 1.80 1.90 2.40 2.60 2.79 2.81 3.30 3.53 4.40
- 1.48 1.76 1.60 1.85 2.05 2.64 2.46 2.72 3.38 3.86
- 1.73 2.01 2.06 2.31 2.51 3.10 2.92 3.18 3.84 4.32
①,Material:
a)Steel St (steel grade according to the manufacturer's choice)
b)Stainless steel A2 to A5 according to standard DIN EN ISO 3506-4
c)Non-ferrous metal CuZn=copper-zink alloy according to standard DIN EN 12166

Suppliers

Best price if from GlobalFastener.com.
Suzhou Yongchuang Fastener Factory
  • Mr. Tang

  • +86-15298892886

  • +86-512-66700967

  • Material: stainless steel, carbon steel; Nominal diameter: M1-M14; Nominal length: 5-400mm