BS 5078:1974

Cooperating organizations
Foreword
Specification
1. Scope
2. General tolerances
3. Threads
4. Hexagons
5. Knurling
6. Finish
Tables
1. Small base plates, cast iron
2. Large base plates, cast iron
3. Webbed angle bases, cast iron
4. Sandwich jig bases, cast iron
5. Jig plates, steel
6. Jig plates, cast iron
7. Circular jig plates, steel
8. Circular blanks, steel
9. Circular blanks, cast iron
10. Flanged circular blanks, cast iron
11. Flanged rectangular blanks, cast iron
12. Bolsters, cast iron
13. Circular adaptors, cast iron
14. Rectangular plates, cast iron
15. Square blocks, cast iron
16. Unequal 'T' sections, cast iron
17. Unequal 'T' sections, heavy duty, cast iron
18. Equal 'T' sections, cast iron
19. Equal 'T' sections, heavy duty, cast iron
20. Webbed 'T' sections, cast iron
21. 'L' sections, cast iron
22. 'L' sections, heavy duty, cast iron
23. Webbed 'L' sections, cast iron
24. 'U' sections, cast iron
25. Channel sections, cast iron
26. Hollow rectangular blocks, cast iron
27. Hollow square blocks, cast iron
28. 'H' sections, cast iron
29. Latch plate sections, cast iron
30. 'V' sections, cast iron
31. Plain clamps, steel
32. Slotted clamps, steel
33. Heavy duty slotted clamps, steel
34. Double ended clamps, steel
35. Swing clamps, steel
36. Parallel clamp plates, steel
37. Wide clamp plates, steel
38. Clamp buttons
39. Fixed heel clamps, steel
40. Adjustable heel pins, steel
41. Jig foot bolts, steel
42. Jig foot nuts, steel
43. Jig feet, steel
44. Jig feet, screw retained type, steel
45. Thumb nuts, steel
46. Thumb nuts, quick release, steel
47. Tommy bar nuts, steel
48. Domed nuts, steel
49. Spherical seating nuts, steel
50. Collar nuts, steel
51. Coupling extension nuts, steel
52. Spherical seatings and washers, steel
53. Machine knobs, ball type
54. Machine knobs, taper type
55. Captive 'C' washers, steel
56. 'C' washers, steel
57. Shoulder screws, steel

Specifies dimensions and materials and, where appropriate, tolerances for the following components: base and jig plates, circular and rectangular blanks, bolsters, plates and blocks, clamps, clamp buttons, heel pins and jig feet, sections, nuts, spherical seatings and washers, knobs, \'C\' washers and shoulder screws.

This British Standard specifies dimensions and materials and, where appropriate, tolerances for the following jig and fixture components:

base and jig plates

circular and rectangular blanks, bolsters, plates and blocks

clamps

clamp buttons, heel pins and jig feet

sections

nuts

spherical seatings and washers

knobs

“C?? washers

shoulder screws.

A reference number has been allocated to each individual item to facilitate identification.

NOTE The titles of the British Standards referred to in this standard are listed on the inside back cover.