BS 328-5:1983
Current
The latest, up-to-date edition.
Drills and reamers Specification for the dimensions of countersinks and counterbores
Hardcopy , PDF
English
07-29-1983
Foreword
Committees responsible
Specification
1. Scope
2. Definitions
3. Counterbores with parallel shanks and integral
pilots
4. Counterbores with Morse taper shanks and
detachable pilots
5. Countersinks with parallel shanks
6. Countersinks with Morse taper shanks
Appendices
A. Related tolerances extracted from BS4500: Part 1
B. Counterbores with cutting diameters dimensioned
in inches
Tables
1. Counterbores with parallel shanks and integral
pilots. General dimensions
2. Counterbores with parallel shanks and integral
pilots. Diameters
3. Counterbores with Morse taper shanks and detachable
pilots. General dimensions
4. Counterbores with Morse taper shanks and detachable
pilots. Diameters
5. Detachable pilots. Dimensions
6. Countersinks with parallel shanks. Dimensions
7. Countersinks with Morse taper shanks. Dimensions
8. Limits of tolerance e8
9. Limits of tolerance f7
10. Limits of tolerance h9
11. Limits of tolerance z9
12. Limits of tolerance H8
13. Counterbores with parallel shanks and integral
pilots (inch series). Diameters
14. Counterbores with Morse taper shanks and
detachable pilots (inch series). Diameters
Figures
1. Counterbore with parallel shank and integral pilot
2. Counterbore with Morse taper shank and detachable
pilot
3. Detachable pilot
4. Countersink with parallel shank
5. Countersink with Morse taper shank
6. Counterbore with parallel shank and integral pilot
7. Counterbore with Morse taper shank and detachable
pilot
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