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GB/T 9074.8-1988 English PDF (GBT9074.8-1988)

GB/T 9074.8-1988 English PDF (GBT9074.8-1988)

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GB/T 9074.8-1988: Cross recessed small pan headscrew, single coil spring lock washer and plain washer assemblies

This Standard specifies cross recessed small pan head screw, single coil spring lock washer and plain washer assemblies with the thread M2.5 to M6.
GB 9074.8-88
GB
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
UDC 621.882
Cross Recessed Small Pan Head Screw, Single Coil
Spring Lock Washer and Plain Washer Assemblies
APPROVED ON. APRIL 16, 1988
IMPLEMENTED ON. JANUARY 1, 1989
Approved by. State Mechanical Industry Committee of the PEOPLE
Republic of China
Table of Contents
1 Subject Content ... 3
2 Normative References ... 3
3 Dimensions... 3
4 Technical Conditions ... 4
5 Designation ... 5
Additional Information... 6
Cross Recessed Small Pan Head Screw, Single Coil
Spring Lock Washer and Plain Washer Assemblies
1 Subject Content
This Standard specifies cross recessed small pan head screw, single coil spring lock washer and plain washer assemblies with the thread M2.5 to M6.
2 Normative References
GB 823, Small Pan Head Screws with Cross Recess
GB 944.1, Cross Recesses for Screws
GB 9074.26, Single Coil Spring Lock Washer for Assembly
GB 9074.24, Plain Washer for Assembly
GB 5267, Electroplated Coatings on Threaded Fasteners
GB 1237, Designation System for Fasteners
GB 90, Acceptance Inspection, Marking and Packaging of Fasteners
3 Dimensions
Dimensions are as shown in the following figure and Table 1.
Type of joint of head and rod

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