National Standards for Washers

1. GB/T 3103.3-2000 Fasteners - Tolerances - Flat washers
2. GB/T 5286-2001 Flat washers for bolts, screws and nuts - General plan
3. GB/T 9074.1-2002 Assemblies with bolts or screws and flat washers
4. GB/T 9074.18-2002 Assemblies with tapping screws and flat washers
5. GB/T 95-2002 Flat washers - Grade C
6. GB/T 96.1-2002 Large washers - Grade A
7. GB/T 96.2-2002 Large washers - Grade C
8. GB/T 97.1-2002 Flat washers - Grade A
9. GB/T 97.2-2002 Flat washers, chamfered - Grade A
10. GB/T 97.4-2002 Flat washers for screw and washer assemblies
11. GB/T 97.5-2002 Flat washers for tapping screw and washer assemblies
12. GB/T 848-2002 Small washers - Grade A
13. GB/T 5287-2002 Extra large washers - Grade C
14. GB/T 4678.13-2003 Die casting die components - Part 13: Ejector plate washers
15. GB/T 4605-2003 Rolling bearings - Thrust needle roller and cage assemblies and thrust washers
16. GB/T 97.3-2000 Flat washers for clevis pins
17. GB/T 18230.5-2000 Flat washers for bolting structures - Hardened and tempered
18. GB/T 9074.5-2004 Assemblies with countersunk head screws with recessed cross head and flat washers
19. GB/T 9074.20-2004 Cross Recessed Hex Head Tapping Screw and Plain Washer Assemblies
20. GB/T3762-1983 Sharp-edge Sealing Washers for Compression Tube Fittings
21. GB/T1231-2006 Technical Specifications for High-strength Large Hex Head Bolts, Large Hex Nuts, and Washers for Steel Structures
22. GB/T1230-2006 High-strength Washers for Steel Structures
23. GB/T2861.10-2008 Die Guiding Elements - Part 10: Washers
24. GB/T5649-2008 Lock Nuts and Washers for Tube Fittings
25. GB/T94.3-2008 Technical Specifications for Elastic Washers - Saddle and Wave Washers
26. GB/T3099.1-2008 Fasteners - Terminology - Threaded Fasteners, Pins, and Washers
27. GB/T10447-2008 Plain Bearings - Half-round Thrust Washers - Features and Tolerances
28. GB/T94.1-2008 Technical Specifications for Elastic Washers - Spring Washers
29. GB/T10446-2008 Plain Bearings - Full-round Thrust Washers - Dimensions and Tolerances
30. GB/T93-1987 Standard Spring Washers
31. GB/T94.2-1987 Technical Specifications for Elastic Washers - Serrated and Toothed Lock Washers
32. GB/T98-1988 Technical Specifications for Tab Washers
33. GB/T849-1988 Spherical Washers
34. GB/T850-1988 Conical Washers
35. GB/T851-1988 Open Washers
36. GB/T852-1988 Square Taper Washers for I-beams
37. GB/T853-1988 Square Taper Washers for Channel Beams
38. GB/T854-1988 Single-Tab Lock Washers
39. GB/T7244-1987 Heavy-Duty Spring Washers
40. GB/T855-1988 Double-Tab Lock Washers
41. GB/T7245-1987 Saddle Spring Washers
42. GB/T7246-1987 Wave Spring Washers
43. GB/T856-1988 External-Tab Lock Washers
44. GB/T858-1988 Lock Washers for Round Nuts
45. GB/T859-1987 Light-Duty Spring Washers
46. GB/T860-1987 Saddle Elastic Washers
47. GB/T861.1-1987 Internal-Tooth Lock Washers
48. GB/T861.2-1987 Internal-Serrated Lock Washers
49. GB/T862.1-1987 External-Tooth Lock Washers
50. GB/T862.2-1987 External-Serrated Lock Washers
51. GB/T955-1987 Wave Elastic Washers
52. GB/T27938-2011 Sliding Bearings-Thrust Washers: Terminology, Appearance Characteristics, and Causes of Failure and Damage
53. GB/T956.1-1987 Conical Lock Washers
54. GB/T956.2-1987 Conical Serrated Lock Washers
55. GB/T28697-2012 Rolling Bearings-Self-Aligning Thrust Ball Bearings and Self-Aligning Seat Washers: Boundary Dimensions
56. GB/T9074.2-1988 Combined Fasteners: Cross Recessed Pan Head Screws and External-Serrated Lock Washers
57. GB/T 9074.3-1988 Cross Recessed Pan Head Screws and Spring Washer Assemblies
58. GB/T 9074.4-1988 Cross Recessed Pan Head Screws, Spring Washer, and Plain Washer Assemblies
59. GB/T 9074.7-1988 Cross Recessed Small Pan Head Screws and Spring Washer Assemblies
60. GB/T 9074.8-1988 Cross Recessed Small Pan Head Screws, Spring Washer, and Plain Washer Assemblies
61. GB/T 9074.9-1988 Cross Recessed Countersunk Head Screws and Conical Locking Washer Assemblies
62. GB/T 9074.10-1988 Cross Recessed Raised Countersunk Head Screws and Conical Locking Washer Assemblies
63. GB/T 9074.11-1988 Cross Recessed Indented Hexagon Head Bolts and Plain Washer Assemblies
64. GB/T 9074.12-1988 Cross Recessed Indented Hexagon Head Bolts and Spring Washer Assemblies
65. GB/T 9074.13-1988 Cross Recessed Indented Hexagon Head Bolts, Spring Washer, and Plain Washer Assemblies
66. GB/T 9074.15-1988 Hexagon Head Bolts and Spring Washer Assemblies
67. GB/T 9074.16-1988 Hexagon Head Bolts and External Serrated Locking Washer Assemblies
68. GB/T 9074.17-1988 Hexagon Head Bolts, Spring Washer, and Plain Washer Assemblies
69. GB/T 9074.26-1988 Spring Washers for Assemblies
70. GB/T 9074.27-1988 External Serrated Locking Washers for Assemblies
71. GB/T 9074.28-1988 Tapered Locking Washers for Assemblies
72. GB/T 1030-1988 Spherical Washers