GB /T 1229 - 2006High Strength Large Hexgon Nuts For Steel Structures

(Non-preferred) dimensions in parentheses.

Unit: mm

Unit: mm

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GB /T 1229 - 2006 High Strength Large Hexgon Nuts For Steel Structures

Thread Size
D

M12

P	Pitch
d_a	max
d_a	min
d_w	min
e	min
m	max
m	min
m_w	min
c	max
c	min
s	max
s	min
The supporting face verticality of thread axis
per 1000 units ≈ kg