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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

Countersunk Flat Head Screws with Cross Recess - Part 2: Property Class 8.8, Stainless Steel Screws and Non-ferrous Metal Screws

GB /T 819.2 - 2016

Display drawing:

国标GB /T819.2 - 2016 GB819.2 819.2GB Countersunk Flat Head Screws with Cross Recess - Part 2: Property Class 8.8, Stainless Steel Screws and Non-ferrous Metal Screws
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国标GB /T819.2 - 2016 GB819.2 819.2GB Countersunk Flat Head Screws with Cross Recess - Part 2: Property Class 8.8, Stainless Steel Screws and Non-ferrous Metal Screws
Download CAD Model
Nominal Length L Tips:seclect Nominal Length L and get Thread length.
Thread Size
d
M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
dk theor. max
Actual max
min
k max
r max
x max
Socket No.
M1 Type H (Ref.) Series 1
Series 2
M2 Type Z (Ref.) Series 1
Series 2
Penetration depth series 1 / type H min
max
series 1 / type Z min
max
series 2 / type H min
max
series 2 / type Z min
max
0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
4.4 5.5 6.3 8.2 9.4 10.4 12.6 17.3 20
3.8 4.7 5.5 7.30 8.40 9.30 11.30 15.80 18.30
3.5 4.4 5.2 6.9 8.0 8.9 10.9 15.4 17.8
1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
0.5 0.6 0.8 0.9 1 1.3 1.5 2 2.5
1 1.1 1.25 1.5 1.75 2 2.5 3.2 3.8
0 1 1 2 2 2 3 4 4
1.9 2.9 3.2 4.4 4.6 5.2 6.8 8.9 10
1.9 2.7 2.9 4.1 4.6 4.8 6.6 8.7 9.6
1.9 2.8 3 4.1 4.4 4.9 6.6 8.8 9.8
1.9 2.5 2.8 4 4.4 4.6 6.3 8.5 9.4
0.9 1.4 1.7 1.9 2.1 2.7 3.0 4.0 5.1
1.2 1.8 2.1 2.4 2.6 3.2 3.5 4.6 5.7
0.95 1.48 1.76 1.75 2.06 2.6 3 4.15 5.19
1.2 1.73 2.01 2.2 2.51 3.05 3.45 4.6 5.64
0.9 1.25 1.4 1.6 2.1 2.3 2.8 3.9 4.8
1.2 1.55 1.8 2.1 2.6 2.8 3.3 4.4 5.3
0.95 1.22 1.48 1.61 2.06 2.27 2.73 3.87 4.78
1.2 1.47 1.73 2.05 2.51 2.72 3.18 4.32 5.23
Length of Thread b min
- - - - - - - - -
①,The diameter of the unthreaded portion is approximately equal to the diameter of the pitch or allowed to equal the major diameter of the thread.

Alternative history

GB /T 819.2 - 1997 GB /T 819.2 - 2016
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