DIN 6921 Hexagon Flange Bolt with Serrated Flange, Zinc Plated, Class 8.8 M8X20

Article number
Diameter
Length
Class	8.8
Driving features	Hexagon
Head shape	Hexagon head
Material	Steel
Thread direction	Right

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Specifications

Diameter	M8
Length	20 mm
Class	8.8
Driving features	Hexagon
Head shape	Hexagon head
Material	Steel
Thread direction	Right
Surface treatment	Zinc plated
Thread	Metric thread
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.

Dimensions

d-D	M8
dc (max.)	18
k (max.)	8.1
L (mm)	20
P	1.25
s	13

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Description

Hexagon Flange Bolts with Serrated Flange, made from robust steel material with a resilient zinc plating surface treatment. These Class 8.8 flange bolts feature a hexagon head for optimal driving features. The right-thread direction and metric thread ensure a secure fit for a range of applications. The serrated flange design spreads built-up forces, reducing surface pressure, and provides excellent self-locking properties. Perfect for covering large or oversized holes without the need for washers, these bolts adhere to international standards including ASME ≈B18.2.3.4M, DIN ≈6921, ISO ≈4162 and EN ≈1665.

Standards

ASME	≈B18.2.3.4M
DIN	≈6921
ISO	≈4162
EN	≈1665

Article numbers

Article number	01258.080.020
EAN	8715492041333
UBB	954351276595
UNSPSC	31161620

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