All categories of screws for reference during selection:

  1. Slotted Cylindrical Head Screws: GB /T 65-2000
  2. Slotted Pan Head Screws: GB /T 67-2000
  3. Slotted Countersunk Head Screws: GB /T 68-2000
  4. Slotted Half Countersunk Head Screws: GB /T 69-2000
  5. Hexagon Socket Head Screws: GB /T 70.1-2000
  6. Hexagon Socket Button Head Screws: GB /T 70.2-2000
  7. Hexagon Socket Countersunk Head Screws: GB /T 70.3-2000
  8. Slotted Cone Point Set Screws: GB 71-85
  9. Slotted Cone Point Position Screws: GB 72-88
  10. Slotted Flat Point Set Screws: GB 73-85
  11. Slotted Cup Point Set Screws: GB 74-85
  12. Slotted Long Cylindrical Point Set Screws: GB 75-85
  13. Hexagon Socket Flat Point Set Screws: GB /T 77-2000
  14. Hexagon Socket Cone Point Set Screws: GB /T 78-2000
  15. Hexagon Socket Cylindrical Point Set Screws: GB /T 79-2000
  16. Hexagon Socket Cup Point Set Screws: GB /T 80-2000
  17. Square Head Long Cylindrical Spherical Point Set Screws: GB 83-88
  18. Square Head Cup Point Set Screws: GB 84-88
  19. Square Head Long Cylindrical Point Set Screws: GB 85-88
  20. Square Head Short Cylindrical Cone Point Set Screws: GB 86-88
  21. Phillips Pan Head Screws: GB /T 818-2000
  22. Hexagon Head Non-removable Screws: GB 838-88
  23. Knurled Head Non-removable Screws: GB 839-88
  24. Plastic Knurled Head Screws: GB 840-88
  25. Slotted Spherical Cylindrical Head Position Screws: GB 946-88
  26. Slotted Large Spherical Cylindrical Head Screws: GB 947-88
  27. Slotted Countersunk Non-removable Screws: GB 948-88
  28. Slotted Half Countersunk Non-removable Screws: GB 949-88
  29. Hexagon Socket Flower Pan Head Screws: GB 2672-86
  30. Hexagon Socket Flower Countersunk Head Screws: GB 2673-86
  31. Hexagon Socket Flower Half Countersunk Head Screws: GB 2674-86
  32. Hexagon Socket Head Shoulder Screws: GB 5281-85
  33. Hexagon Socket Flower Head Screws - Grade 4.8: GB 6190-86
  34. Hexagon Socket Flower Head Screws - Grades 8.8 and 10.9: GB 6191-86
  35. Precision Fasteners for Machinery - Phillips Screws: GB /T 13806.1-92
  36. Phillips Half Countersunk Head Screws: GB /T 820-2000
  37. Square Head Flat Point Set Screws: GB 821-88
  38. Phillips Cylindrical Head Screws: GB /T 822-2000
  39. Phillips Small Pan Head Screws: GB 823-88
  40. Eye Bolts: GB 825-88
  41. Slotted Pan Head Position Screws: GB 828-88
  42. Slotted Cylindrical Point Position Screws: GB 829-88
  43. Slotted Cylindrical Head Shaft Screws: GB 830-88
  44. Slotted Headless Shaft Screws: GB 831-88
  45. Slotted Hole Spherical Cylindrical Head Screws: GB 832-88
  46. Slotted Large Cylindrical Head Screws: GB 833-88
  47. Knurled High Head Screws: GB 834-88
  48. Knurled Flat Head Screws: GB 835-88
  49. Knurled Small Head Screws: GB 836-88


Standards Reference:

  • GB: Chinese National Standards
  • ANSI: American National Standards Institute
  • DIN: German National Standards
  • ASME: American Society of Mechanical Engineers Standards
  • JIS: Japanese Industrial Standards
  • BSW: British Standard Whitworth

Among these, GB represents the Chinese National Standards, which include mandatory standards (GB), recommended standards (GB/T), and internal standards (GBn). Additionally, there are industry standards, professional standards, and departmental standards in China.