This standard specifies the basic dimension series, tolerances and preferred combinations of dimensions for flat washers for ordinary bolts, screws and nuts with product grades A and C and thread diameters of 1 to 1500 mm. This standard does not apply to the inner diameter and thickness dimensions of washers for assemblies such as screws and flat washers. Appendix A (informative appendix) provides information on the guidance of the use of flat washers. GB/T 5286-2001 General scheme for flat washers for bolts, screws and nuts GB/T5286-2001 Standard download decompression password: www.bzxz.net

KS 21. DEC. 3J
National Standard of the People's Republic of China
GB/T5286--2001
ilt1s0887.2000
Flain washers for bolls.screws and outs-General plan
Published on 20011217
People's Republic of China
General Administration of Quality Supervision, Inspection and Quarantine
Implementation on 2002-06-01
CB/T 5286:2001
This standard is equivalent to the international standard 1507:2UV universal remote ignition plug, which is used for ignition and explosion-proof ignition. This standard is a revised version of GB/528:1985. The main changes are as follows: a) The over-cover series (Table 3) is cancelled b) The risk of A is increased
This standard replaces GB/Tb286-138 from the implementation date. Appendix A of this standard is a reminder appendix.
This standard is proposed by China Federation of Industry and Information Technology. This standard was issued by the National Technical Committee for Standardization. The standard was initiated by the China Academy of Mechanical Science. The main initiator of this standard is: General Initiator,
General Initiator.
GR/T5286—2DC1
ISO is a joint organization of international standardization bodies (ISO) worldwide. The development of international standards is usually carried out through technical committees. When each member body is interested in a project carried out by a technical committee, it is called to participate in the committee. The relevant governmental and non-governmental international organizations are also called to participate in this work./TC2 is not prepared by the International Technical Committee. The second edition has revised and supplemented the first edition (IS) 887: 1933). Appendix 4 of this international standard is a reminder of the technical requirements. 1 Specification
National Standard of the People's Republic of China
Plastic washers for boltg.screws and nuls-Generalpl
GH/T5286-2001
ialt 1So 887:2000
Generation HT5X6u8s
This standard specifies the basic dimensions, tolerances and optional combinations of dimensions of ordinary screws and flat washers with product grades A and 1-150nm and screw diameter. This standard does not apply to the inner diameter and thickness of assemblies such as bolts and flat washers. Appendix A (Reminder) The appendix gives guidance on the use of flat washers. 2 Reference standards
The following standards are included in the preceding clauses and constitute the relevant texts of this standard through reference in this standard. When this standard is issued, the versions shown are valid. All standards are linked to the old ones. The parties to this standard should explore the possible use of the latest versions of the following standards: G/9595 semi-seated (1571.108)
GB/T915 large washer A and successor 7C93:1333)
7119 grade 0093
/972—_9 3 Flat washer drawing Angle plastic A grade 0I57090193) GB/848195 Small washer A grade [57002:18) GB/103.3-2 Assembly parts tolerance flat drawing i mountain (S04759-3:2300): 35277-985 Fasteners and end bamboo through holes (e1S0273:19/) 55287-1985 Special drawing C grade (cg-15074;1983) 3 Inner diameter || tt || Washer inner diameter 1 (see Figure 1) Bottom according to (I3/T277 release increase F regulations for selection: precision assembly system" public Nominal thickness -Gmm\M and other grades are A-level, that is, the nominal specification of 59m pads. Figure: Medium assembly series is used for nominal thickness m products. Grade is A-level, that is, the nominal specification of mm pads and products such as velvet fire velvet block period:
Some: H/2? Standard center tolerance is not the same as C version flat drawing (with G chapter: The People's Republic of China National Quality Supervision, Inspection and Quarantine Administration approved on December 17, 2001 20020601 temporary
4 outer diameter
GB5286-2001
Figure 1 basic type ||tt ||The outer diameter of the gasket (see Figure 1) should be selected from the table. Table 1 Dimensions
Gasket diameter See Figure 1 The values ​​should be selected from the table. 44
6 Tolerances
These tolerances should be in accordance with GB/T3103.3 standard width.
For the preferred combination of flat gasket dimensions
AC level flat ring & d: and (now Figure 1> The preferred combination of nominal dimensions is given in the old 3. These drawings are divided into 4 series: small series, standard series, large series, and large series. These series are related to the size of the outer diameter. 2
GB/T 5286
The preferred combination of
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GB/I5286
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品3特48号元
GB/T5286—2001
(Small Appendix)
Flat salt trapped with screws, bolts or nuts matching guide half washers and properties, performance (convenience) of flame retardant nails and nuts, etc. Combination of natural product grades. Long in A1 Detailed information on the history of the mountain, including the missing series and the shape of the screw or the head: in the first place in the corresponding protection product standard. The table flat washers and bolts, screws or screw balls are combined with the table to ensure the test line
Strict product end war
Screw wheel, screw head
Explosion, dry lamp
Production of southern and other rice
The performance line
Go to the surface to produce the reverse self-correction order (such as self-tapping! Stainless steel account, explosion order and joint volume
Not suitable
Not suitable
Not suitable
Not suitable
Not suitable
Ten Taiwan manufacturing
This road
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