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Click Specification

Unit:mm

Cross Recessed Hexagon Head Tapping Screw with Indentation and Washer Assemblies with Plain Washers

GB /T 9074.20 - 2004

Display drawing:

国标GB /T9074.20 - 2004 GB9074.20 9074.20G Cross Recessed Hexagon Head Tapping Screw with Indentation and Washer Assemblies with Plain Washers
Thread Size
ST2.9 ST3.5 ST4.2 ST4.8 ST6.3 ST8
P
a max
k max
min
h Type N Nominal Size
Nominal Size
dc Type N max
max
1.1 1.3 1.4 1.6 1.8 2.1
1.1 1.3 1.4 1.6 1.8 2.1
2.3 2.6 3.0 3.8 4.7 6.0
2.0 2.3 2.6 3.3 4.1 5.2
1 1 1 1 1.6 1.6
1 1 1 1.6 1.6 2
7 8 9 10 14 16
9 11 12 15 18 24
①,Other dimension reference
Tapping Screw:GB 9456; washer :GB 97.5

Alternative history

GB /T 9074.20 - 1988 GB /T 9074.21 - 1988 GB /T 9074.20 - 2004
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Similar Standards

1 Hexagon Head Tapping Screw with Plain Washers [ISO]
ISO 10510 (S1) - 1999 		Hexagon Head Tapping Screw with Plain Washers
2 Hexagon Head Tapping Screw with Plain Washers [DIN EN ISO]
DIN EN ISO 10510 (S1) - 2011 		Hexagon Head Tapping Screw with Plain Washers
3 Metric Hexagon Head Tapping Screws and Spring Washer Assemblies-SEMS (Screws Having Tapping Screw Thread Diameter) [ASME/ANSI]
ASME/ANSI B 18.13.1M - 2011 		Metric Hexagon Head Tapping Screws and Spring Washer Assemblies-SEMS (Screws Having Tapping Screw Thread Diameter)
4 Hex Head Tapping Screw and Spring Washer Assemblies-SEMS (Type B Tapping Screw Thread Diameter) [ASME]
ASME B 18.13 - 2017 		Hex Head Tapping Screw and Spring Washer Assemblies-SEMS (Type B Tapping Screw Thread Diameter)
5 Hexagon Head Tapping Screw with Plain Washers [ISO]
ISO 10510 (S1) - 2011 		Hexagon Head Tapping Screw with Plain Washers
6 Hexagon Head Tapping Screw and Plain Washer Assemblies [JIS]
JIS B 1129 - 1999 		Hexagon Head Tapping Screw and Plain Washer Assemblies
7 Hexagon Head Tapping Screws and Plain Washer Assemblies [GB]
GB /T 9074.18 (S1) - 2017 		Hexagon Head Tapping Screws and Plain Washer Assemblies
8 Hexagon Head Tapping Screws and Plain Washer Assemblies [GB]
GB /T 9074.18 (S1) - 2002 		Hexagon Head Tapping Screws and Plain Washer Assemblies
9 Hexagon Head Tapping Screw and Plain Washer Assemblies [GB]
GB 9074.23 - 1988 		Hexagon Head Tapping Screw and Plain Washer Assemblies
10 Cross Recessed Hexagon Head Tapping Screw with Indentation and Large Plain Washer Assemblies [GB]
GB 9074.21 - 1988 		Cross Recessed Hexagon Head Tapping Screw with Indentation and Large Plain Washer Assemblies
11 Cross Recessed Hexagon Head Tapping Screw with Indentation and Plain Washer Assemblies [GB]
GB /T 9074.20 - 1988 		Cross Recessed Hexagon Head Tapping Screw with Indentation and Plain Washer Assemblies
12 Hexagon Head Tapping Screws and Plain Washesr Assemblies [JIS]
JIS B 1129 - 2004 		Hexagon Head Tapping Screws and Plain Washesr Assemblies
13 Hexagon Head Tapping Screw and Plain Washer Assemblies [GB]
GB 9074.22 - 1988 		Hexagon Head Tapping Screw and Plain Washer Assemblies
14 Hexagon Head Tapping Screw and Washer Assemblies with Plain Washers [NF]
NF E 25-523 - 1999 		Hexagon Head Tapping Screw and Washer Assemblies with Plain Washers