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Item No. head diameter (hd) b d l s Packing unit
20 mm
26 mm
M 10 mm
20 mm
6 mm
200 piece
20 mm
26 mm
M 10 mm
35 mm
6 mm
200 piece
20 mm
26 mm
M 10 mm
40 mm
6 mm
200 piece
10 mm
16 mm
M 5 mm
45 mm
3 mm
500 piece
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countersunk head screws

with hexagon socket, zinc flake, silver, Cr(VI)-free 720 h¹ (red rust SST)

Attention: up to M 20 countersink angle: 90°; from M 22 countersink angle; execute countersink per DIN 74 Form.

Due to their head geometry screws may not reach minimum breaking force acc. to ISO 898-1. Nevertheless they have to comply with the other requirements of the respective grade class acc. to ISO 898-1.

¹ For nominal diameter ≤M 6: 480 h.

Per the norm is the thread length is an auxiliary measurement.

*Thread length 'b' is indicated relating to nominal length 'l': l ≤ 125 / 125 < l ≤ 200 / l > 200 mm.

Depending on the manufacturer, these screws are delivered almost fully threaded!

Technical specifications

MaterialSteel
Surfacezinc flake coating 720h
Gradegrade 08.8
DIN7991
RoHS conformYes
EAN9009258071023
b16 mm
dM 5 mm
head diameter (hd)10 mm
k2,8 mm
l45 mm
s3 mm
information text

Attention: up to M 20 countersink angle: 90°; from M 22 countersink angle; execute countersink per DIN 74 Form.

Due to their head geometry screws may not reach minimum breaking force acc. to ISO 898-1. Nevertheless they have to comply with the other requirements of the respective grade class acc. to ISO 898-1.

¹ For nominal diameter ≤M 6: 480 h.

Per the norm is the thread length is an auxiliary measurement.

*Thread length 'b' is indicated relating to nominal length 'l': l ≤ 125 / 125 < l ≤ 200 / l > 200 mm.

Depending on the manufacturer, these screws are delivered almost fully threaded!

Packing unit500 piece