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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
EAN9009258070866
b26 mm
dM 10 mm
head diameter (hd)20 mm
k5,5 mm
l40 mm
s6 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 unit200 piece