BS 328-1:1986
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Drills and reamers Specification for twist drills
Hardcopy , PDF
15-04-1993
English
31-03-1986
Dimensions and tolerances for parallel shank, jobber, stub, long and extra long series of twist drills. Also for Morse taper shank and Morse taper shank extra long drills. Tables summarise both imperial and metric sizes for each type of drill.
| Committee |
W/-
|
| DevelopmentNote |
Supersedes BS 328(1950) (07/2004)
|
| DocumentType |
Standard
|
| Pages |
1
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| Supersedes |
| Standards | Relationship |
| ISO 3291:2016 | Similar to |
| ISO 3292:2016 | Similar to |
| ISO 494:2017 | Similar to |
| ISO 235:2016 | Similar to |
| ISO 3291:2016 | Extra-long Morse taper shank twist drills |
| ISO 3292:2016 | Extra-long parallel shank twist drills |
| BS 4500-1:1969 | ISO limits and fits General, tolerances and deviations |
| ISO 494:2017 | Cylindrical shank twist drills — Long series |
| ISO 235:2016 | Parallel shank jobber and stub series drills and Morse taper shank drills |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.