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HEX TYPE NUT (ER)
ROUND TYPE NUT (ER)
MINI NUT (ER)

Ordering No. Type Ø D
MM
L
M
M Fig.
NUT ER16S Standard (Round & Slotted) 32 17.5 M22 X 1.5 1
NUT ER20S Standard (Round & Slotted) 35 19.0 M25 X 1.5 1
NUT ER25S Standard (Round & Slotted) 42 20.0 M32 X 1.5 1
NUT ER32S Standard (Round & Slotted) 50 22.5 M40 X 1.5 1
NUT ER40S Standard (Round & Slotted) 63 25.5 M50 X 1.5 1
NUT ER16H Hexagonal 28 17.5 M22 X 1.5 2
NUT ER20H Hexagonal 34 19.0 M25 X 1.5 2
NUT ER11M Mini 16 12.0 M13 X 0.75 3
NUT ER16M Mini 22 18.0 M19 X 1 3
NUT ER20M Mini 28 19.5 M24 X 1 3
NUT ER25M Mini 35 20.0 M30 X 1 3