GB/T 9074.28-1988 Conical locking washers for assemblies

GB/T 9074.28-1988 Conical lock washers for assemblies GB/T9074.28-1988 Standard download decompression password: www.bzxz.net

1 Subject
National Standard of the People's Republic of China
Conical lock washers for assemblies
Lountersunk external toethed lockwasher for assenbly
UDC621.882
GB 9074.28—88Www.bzxZ.net
This standard specifies the specifications of assemblies with a specification of 3~8mm and conical lock washers for fasteners-assemblies. 2 Reference standards
Technical conditions for elastic washers Toothed and serrated lock washers GB1237
Marking method for fasteners
GB90 Fastener acceptance inspection, marking and packaging dimensions
The dimensions are shown in the following figure and table.
National Machinery Industry Committee Set 198-04-16 Approved 1589-01 ~ 01 Implementation
Specifications (effective major diameter of thread)
4 Technical conditions
Technical conditions shall be in accordance with the provisions of GB94.2.
5 Marking
5.1 Marking method shall be in accordance with the provisions of GB1237.
5.2 Marking example:
GB 90T4.28-8
Marking of cone lock washers for assemblies with specifications of 4mm, material 65Mn, and no surface treatment GB9074.28
Additional instructions:
This standard was proposed by the National Technical Committee for Standardization of Fasteners. This standard is under the jurisdiction of the Standardization Institute of the National Machinery Industry Committee. This standard was drafted by the Standardization Institute of the National Machinery Industry Committee. 568
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