Spring washer with cap 18 mbo 29 Steel varnished
for bolts and shafts without groove
2 reviews since 18.09.2026
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1 The specifications regarding trigger forces apply only to steel versions, not to spring washers made of stainless steel, and are based on our own tests using a bright steel shaft made from materials 1.1151 or 1.0715, each in tolerance class h11.
We recommend customer-side tests, as roughness or work hardening of the steel shaft, among other factors, can lead to different values.
We recommend customer-side tests, as roughness or work hardening of the steel shaft, among other factors, can lead to different values.
Order no.
10 29 0180 0382/900
SKU
0027537
MPN
MBO-29-18-ST-LACK
Identifier
Spring washer with cap
Size
18 mbo 29
Material group
Steel
Surface
varnished
d1
18
d
17,34-17,62
D ±0,3
38,2
H ±0,2
11,7
Trigger force approx. N¹
3500
T max.
8,7
U min.
3
Number of slots
9
Material
Spring washer: spring steel
Cap: generally stainless steel