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GB /T 819.1-2000 Cross recessed countersunk head screws


Unit: mm
国标GB /T819.1-2000 GB819.1 819.1GB(GB7046 Cross recessed countersunk head screws
Nominal Length L Tips:seclect Nominal Length L and get Weight .
Screw Thread
d
M1.6 M2 M2.5 M3 (M3.5) M4 M5 M6 M8 M10
P Pitch
b min
dk max
min
k max=nominal size
Socket No.
m H type
Z type
Penetration depth max(type H)
min(type H)
max(type Z )
min(type Z )
0.35 0.4 0.45 0.5 0.6 0.7 0.8 1 1.25 1.5
25 25 25 25 38 38 38 38 38 38
3.0 3.8 4.7 5.5 7.30 8.40 9.30 11.30 15.80 18.30
2.7 3.5 4.4 5.2 6.94 8.04 8.94 10.87 15.37 17.78
1 1.2 1.5 1.65 2.35 2.7 2.7 3.3 4.65 5
0 0 1 1 2 2 2 3 4 4
1.6 1.9 2.9 3.2 4.4 4.6 5.2 6.8 8.9 10
1.6 1.9 2.8 3 4.1 4.4 4.9 6.6 8.8 9.8
0.9 1.2 1.8 2.1 2.4 2.6 3.2 3.5 4.6 5.7
0.6 0.9 1.4 1.7 1.9 2.1 2.7 3.0 4.0 5.1
0.95 1.2 1.73 2.01 2.2 2.51 3.05 3.45 4.6 5.64
0.7 0.95 1.48 1.76 1.75 2.06 2.6 3 4.15 5.19
Weitht of per 1000 steel products(≈kg)
- - - - - - - - - -
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.
Relevant Standards
1
十字槽沉头螺钉
[GB]
GB 819-1976
Cross recessed countersunk head screws Suppliers(2)
2
精密机械用紧固件十字槽沉头螺钉
[GB]
GB /T 13806.1-1992
Cross recessed countersunk screws for fine mechanics
3
十字槽沉头螺钉
[GB]
GB /T 819-1985
Cross recessed countersunk head screws Suppliers(2)
4
十字槽沉头螺钉 第1部分:4.8级
[GB]
GB /T 819.1-2016
Countersunk flat head screws with cross recess—Part 1: Property class 4.8
5
十字槽沉头螺钉 第2部分:8.8级、不锈钢及有色金属螺钉
[GB]
GB /T 819.2-2016
Countersunk flat head screws with cross recess—Part 2: Property class 8.8, stainless steel screws and non-ferrous metal screws
6
十字槽沉头螺钉
[DIN]
DIN 965-1990
Cross recessed countersunk head screws Suppliers(2)
7
塑料米字槽沉头螺钉
[DIN]
DIN 34811-1999
Cross-recessed flat head plastic screws
8
十字槽沉头螺钉
[ISO]
ISO 7046-1-1994
Cross recessed countersunk head screws
9
十字槽沉头螺钉
[ISO]
ISO 7046-2-1990
Cross recessed countersunk head screws
10
4.8级十字槽沉头螺钉
[ISO]
ISO 7046-1-2011
Countersunk flat head screws with type H or type Z cross recess- Product grade A-Steel screws of property class 4.8
11
8.8级有色金属十字槽沉头螺钉
[ISO]
ISO 7046-2-2011
Countersunk flat head screws with type H or type Z cross recess-Product grade A-property class 8.8
12
8.8级十字槽沉头半牙螺钉
[JIS]
JIS B 1111-1996
Cross recessed countersunk head screws-Class 8.8
13
4.8级十字槽沉头螺钉
[JIS]
JIS B 1111-1996
Cross recessed countersunk head screws-Class 4.8
14
米制十字槽沉头螺钉Table3
[ASME/ANSI]
ANSI/ASME B 18.6.7M-1998
Metric cross recessed countersunk screws
15
米制米字槽沉头螺钉Table4
[ASME/ANSI]
ANSI/ASME B 18.6.7M-1998
Metric PZ Drives countersunk head screws
16
十字槽沉头螺钉Table2
[ASME/ANSI]
ANSI/ASME B 18.6.3-2010
Cross recessed countersunk head screws Suppliers(1)
17
沉头精整螺钉  [table 13]
[ASME/ANSI]
ANSI/ASME B 18.6.3-2013
Dimensions of Flat Coutersunk Trim head Screws
18
沉头精整螺钉凹槽型式 [table 14]
[ASME/ANSI]
ANSI/ASME B 18.6.3-2013
Recess dimensions for Flat Countersunk Trim Head Screws
19
82°半沉头精整螺钉 [table 15]
[ASME/ANSI]
ANSI/ASME B 18.6.3-2013
Dimensions of Oval 82-deg Countersunk Trim Head Screws
20
航空航天用偏十字形凹槽埋头100°螺钉  镀镉合金钢中长度螺纹粗公差.1100MPa(室温)235℃
[EN]
EN 4162-2009
Aerospace series - Screws 100° countersunk normal head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - 1100 MPa (at ambient temperature)/235 °C
21
十字槽沉头螺钉
[UNI]
UNI 7688-1977
Cross recessed countersunk head screws
22
4.8级十字槽沉头螺钉
[NF]
NF E 25-119-1-1994
Countesunk flat head screws,with type H or type Z cross recessed-Product grade A, class 4.8
23
8.8级十字槽沉头螺钉
[NF]
NF E 25-119-2-1994
Cross recessed countersunk head screws-Grade A, class 8.8
24
BSW/BSF十字槽沉头螺钉
[BS]
BS 450-1958
Cross recessed countersunk head screws
25
米字槽沉头螺钉(短的)
[BS]
BS 1981-1991
Recessed truncated countersunk head screws:short length
26
米字槽沉头螺钉Table4
[BS]
BS 1981-1991
Recessed truncated countersunk head screws:Long length
27
米制十字槽沉头螺钉
[AS]
AS /NZS 1427-1996
ISO metric cross-recess countersunk screws
28
十字槽沉头螺钉
[CNS]
CNS 4560-1981
Cross recessed countersunk head screws
29
4.8级十字槽沉头螺钉
[KS]
KS B 1023-2001
Cross recessed countersunk head screws-Class 4.8
30
8.8级及有色金属十字槽沉头螺钉
[KS]
KS B 1023-2001
Non-ferrous metal cross recessed countersunk head screws -Class 8.8