GB /T 819.1 - 2016Countersunk Flat Head Screws (Common Head Style) with Cross Recess - Part 1: Property Class 4.8

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(Non-preferred) dimensions in parentheses.

GB /T 819.1 - 2016

Unit: mm

GB /T 819.1 - 2016 Countersunk Flat Head Screws With Cross Recess—Part 1: Property Class 4.8

Unit: mm

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GBT819.1_M1.6X3

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GBT819.1-simple_M1.6X3

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GB /T 819.1 - 2016 Countersunk Flat Head Screws With Cross Recess—Part 1: Property Class 4.8

Thread Specifications
d

M1.6

P		Pitch
a		max
d_k		theor.	max
		Actual	max=nominal size
			min
k		max=nominal size
r		max
x		max
Socket No.
M₁		Ref.
M₂		Ref.
Penetration depth		Type H	max
			min
		Type Z	max
			min

0.35
0.7
3.6
3.0
2.7
1
0.4
0.9
0
1.6
1.6
0.9
0.6
0.95
0.7

thousand-piece steel weight≈kg

0.058

Thread Lengthb

Full thread