Home » External Fine Tooth Locking Washers (DIN 6798A)

External Fine Tooth Locking Washers (DIN 6798A)

DIN6798A-1988 External Serrated Lock Washers


standard
DIN6798A-1988
name
External serrated lock washers
English name
External Serrated Lock Washer Type A
Material
Stainless steel, etc.
surface
Natural color, passivation, electroplating...
Application Areas
Electronic appliances, construction machinery
Introduction

DIN6798A is a German standard external tooth lock washer with serrations on the outer periphery. It can clamp the connection surface through the serrations to prevent bolts and nuts from loosening due to vibration. It is usually made of steel or stainless steel and can be used in scenarios such as automobiles and industrial equipment.

DIN6798A specification and size standard

drawing:

DIN6798a

Size table (unit: MM)

Specification
d Minimum value = nominal
Maximum
d c Maximum value = nominal
Minimum
t
Number of teeth Minimum
Thousand pieces weight kg
Applicable thread
1.7 2.2 2.7 3.2 3.7 4.3 5.3 6.4 7.4 8.4 10.5 13 15 17 19 twenty one twenty three 25 28 31
1.7 2.2 2.7 3.2 3.7 4.3 5.3 6.4 7.4 8.4 10.5 13 15 17 19 twenty one twenty three 25 28 31
1.84 2.34 2.84 3.38 3.88 4.48 5.48 6.62 7.62 8.62 10.77 13.27 15.27 17.27 19.33 21.33 23.33 25.33 28.33 31.39
3.6 4.5 5.5 6 7 8 10 11 12.5 15 18 20.5 twenty four 26 30 33 36 38 44 48
3.3 4.2 5.2 5.7 6.64 7.64 9.64 10.57 12.07 14.57 17.57 19.98 23.48 25.48 29.48 32.38 35.38 37.38 43.38 47.38
0.3 0.3 0.4 0.4 0.5 0.5 0.6 0.7 0.8 0.8 0.9 1 1 1.2 1.4 1.4 1.5 1.5 1.6 1.6
9 9 9 9 10 11 11 12 14 14 16 16 18 18 18 20 20 20 twenty two twenty two
0.02 0.03 0.045 0.06 0.11 0.14 0.28 0.36 0.5 0.8 1.25 1.6 2.3 2.9 5 6 7.5 8 12 14
M1.6 M2 M2.5 M3 M3.5 M4 M5 M6 M7 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30

①, Materials see "Related Material Standards and Brands", the material brand is selected by the manufacturer; Hardness: 350~425 HV10

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