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Click Specification

Unit:mm

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

GB /T 9074.20 - 1988

Display drawing:

国标GB /T9074.20 - 1988 GB9074.20 9074.20G Cross Recessed Hexagon Head Tapping Screw with Indentation and Plain Washer Assemblies
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 *Models with different eras.

Screw Thread
d
ST2.9 ST3.5 ST4.2 ST4.8 ST5.5 ST6.3 ST8
h Nominal Size
dc Nominal Size
0.8 1 1 1 1.6 1.6 1.6
6 8 9 10 12 14 14
①,Other dimension reference
Tapping Screw:GB 9456; washer :GB 9074.29

Alternative history

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

1 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)
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 Hexagon Head Tapping Screw with Plain Washers [ISO]
ISO 10510 (S1) - 2011 		Hexagon Head Tapping Screw with Plain Washers
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) - 1999 		Hexagon Head Tapping Screw with Plain Washers
6 Cross Recessed Hexagon Head Tapping Screw with Indentation and Washer Assemblies with Plain Washers [GB]
GB /T 9074.20 - 2004 		Cross Recessed Hexagon Head Tapping Screw with Indentation and Washer Assemblies with Plain Washers
7 Hexagon Head Tapping Screw and Plain Washer Assemblies [GB]
GB 9074.23 - 1988 		Hexagon Head Tapping Screw and Plain Washer Assemblies
8 Hexagon Head Tapping Screws and Plain Washesr Assemblies [JIS]
JIS B 1129 - 2004 		Hexagon Head Tapping Screws and Plain Washesr Assemblies
9 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
10 Hexagon Head Tapping Screw and Plain Washer Assemblies [GB]
GB 9074.22 - 1988 		Hexagon Head Tapping Screw and Plain Washer Assemblies
11 Hexagon Head Tapping Screw and Plain Washer Assemblies [JIS]
JIS B 1129 - 1999 		Hexagon Head Tapping Screw and Plain Washer Assemblies
12 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
13 Hexagon Head Tapping Screws and Plain Washer Assemblies [GB]
GB /T 9074.18 (S1) - 2017 		Hexagon Head Tapping Screws and Plain Washer Assemblies
14 Hexagon Head Tapping Screws and Plain Washer Assemblies [GB]
GB /T 9074.18 (S1) - 2002 		Hexagon Head Tapping Screws and Plain Washer Assemblies