Hexagon flange bolt with serrated flange, fully threaded DIN ≈6921 Steel Zinc plated 8.8 M8



Diameter (d-D)		 M8 x 1.25mm pitch. (standard)
Length (L) (mm) 16-40mm
Info Specific features of hexagon bolts with serrated flange:
  • The flange enables built up forces under the bolt head to be spread over a larger area, consequently resulting in lower surface pressure.
  • The serrated flange rim gives excellent self-locking properties.
  • Large (oversized) holes and/or tooling holes can be covered by the flange.
  • Washers are not necessary.
Class 8.8
Driving features Hexagon
Head shape Hexagon head
Material Steel
Thread direction Right
Surface treatment Zinc plated

THREAD-Metric thread
b (min.)
dc (max.) 18
k (max.) 8.1
P 1.25
s 13

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