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BSI - BS 328-1

Drills and reamers - Part 1: Specification for twist drills

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Organization: BSI
Publication Date: 15 April 1993
Status: active
Page Count: 40
ICS Code (Drills, countersinks, reamers): 25.100.30
scope:

Dimensions and technical requirements.

Document History

BS 328-1
April 15, 1993
Drills and reamers - Part 1: Specification for twist drills
Dimensions and technical requirements.
BS 328-1
April 15, 1993
Drills and Reamers Part 1: Specification for Twist Drills
A description is not available for this item.
BS 328-1
March 31, 1986
Drills and reamers Part 1. Specification for twist drills
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...
BS 328-1
December 22, 1959
Twist Drills and Combined Drills and Countersinks
Dimensions, tolerances for parallel shank jobber series, stub, parallel shank long series twist drills and for Morse taper shank drills, core drills. Tables of inch and metric sizes; tables for each...

References

This document references:
ISO 3291 - Extra-long Morse taper shank twist drills
Published by ISO on November 1, 2016
This International Standard specifies the dimensions of extra-long Morse taper shank drills in the range of 6 mm to 50 mm diameter with an overall length range of 200 mm to 630 mm.
This document references:
ISO 3292 - Extra-long parallel shank twist drills
Published by ISO on October 15, 2016
This International Standard specifies the dimensions of extra-long parallel shank twist drills in the range of 2 mm to 14 mm diameter with an overall length range of 125 mm to 400 mm.
This document references:
ISO 235 - Parallel shank jobber and stub series drills and Morse taper shank drills
Published by ISO on November 1, 2016
This document specifies the dimensions of the following three types of drills: a) parallel shank drills, stub series; b) parallel shank drills, jobber series; c) Morse taper shank drills. It...
This document references:
ISO 494 - Cylindrical shank twist drills - Long series
Published by ISO on February 1, 2017
This document specifies the dimensions of cylindrical shank twist drills having working lengths in the long series. The cylindrical shank jobber and stub series drills and Morse taper shank drills...
This document references:
ISO 4957 - Tool steels
Published by ISO on June 1, 2018
This document specifies requirements for the following grades of wrought tool steels: a) non-alloy cold-work tool steels; b) alloy cold-work tool steels; c) alloy hot-work tool steels; d) high-speed...
This document is referenced by:
BS 4185-14 - Machine Tool Components - Part 14: Method for Determination of the Pilot Diameter of 60 Degrees Centre Holes
Published by BSI on December 31, 1987
Applies to certain types of centre hole described in BS 328-2. Calculations apply to work pieces which are to be machined on centres providing they satisfy specified conditions.
This document is referenced by:
BS 1978 - Specification for Bit Braces
Published by BSI on November 26, 1965
Nomenclature, materials, heat treatment and hardness, dimensions, finish, marking, performance tests for ratchet brace fitted with chuck in nominal sizes 5 in, 8 in, 10 in, 12 in, 14 in and plain...
This document is referenced by:
BS 1157 - Recommendations for Tapping Drill Sizes for Use with Fluted Taps
Published by BSI on September 30, 1975
Sizes for ISO internal metric threads to BS 3643 (Parts 1, 2 and 3) and for internal threads to BS 21, 84, 93, 1580 (Parts 1, 2 and 3) and 2779. Alternative sizes in appendix.
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