GB /T 29.2 - 2013Hexagon Bolts With Cross Recess On Head

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(Non-preferred) dimensions in parentheses.

GB /T 29.2 - 2013

Unit: mm

GB /T 29.2 - 2013 Hexagon Bolts With Cross Recess On Head

Unit: mm

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GBT 29.2@simple_M4X8

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GBT 29.2_M4X8

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GB /T 29.2 - 2013 Hexagon Bolts With Cross Recess On Head

Thread Specifications
d

M4

P	Pitch
a	max
d_a	max
d_w	min
e	min
k	Nominal Size
	min
	max
k₁	min
r	min
s	max
s	min
Socket No.
m	Ref.
Penetration depth	max
Penetration depth	min

0.7
2.1
4.7
5.7
7.5
2.8
2.6
3
1.8
0.2
7
6.64
2
4
1.93
1.4

thousand-piece steel weight≈kg

1.5