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HELP_VARIABLE
CODE
code
MAT
texture
HRD
hardness
IC
Intensity classification
WH
washer
Spring washer JIS B 1251/ Flat washer JIS B 1256
SUR
surface treatment
M
mm
L
mm
MP
M×P(Coarse thread)
A
mm
E
mm
B
mm
C
mm
D
mm
AA
(a)
mm
P
(coarse thread)
mm
LINK
link
https://www.srdfaa.com/product/1141603220937.html
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Dimension