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BSI - BS ISO 3438

Subland twist drills with Morse taper shanks for holes prior to tapping screw threads

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Organization: BSI
Publication Date: 6 October 2004
Status: inactive
Page Count: 10
ICS Code (Drills, countersinks, reamers): 25.100.30

Document History

BS ISO 3438
June 30, 2013
Subland twist drills for holes prior to tapping screw threads
A description is not available for this item.
BS ISO 3438
October 6, 2004
Subland twist drills with Morse taper shanks for holes prior to tapping screw threads
A description is not available for this item.

References

This document references:
ISO 273 - Fasteners - Clearance Holes for Bolts and Screws
Published by ISO on January 1, 1979
SCOPE AND FIELD OF APPLICATION This International Standard specifies clearance hole diameters for general purpose applications. These values result from bearing area calculations in connection with...
This document references:
ISO 10899 - High-Speed Steel Two-Flute Twist Drills - Technical Specifications
Published by ISO on December 15, 1996
A description is not available for this item.
This document references:
ISO 2768-1 - General Tolerances - Part 1: Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications First Edition; (CEN EN 22768-1: 1993)
Published by ISO on January 1, 1989
This part of ISO 2766 is intended to simplify drawing indications and it specifies general tolerances for linear and angular dimensions without individual tolerance indications in four tolerance...
This document references:
ISO 2306 - Drills for Use Prior to Tapping Screw Threads
Published by ISO on January 1, 1972
SCOPE AND FIELD OF APPLICATION This International Standard specifies the sizes of drills to be used prior to tapping parallel screw threads of normal length of engagement, the drill diameter being...
This document references:
ISO 296 - Machine Tools - Self-Holding Tapers for Tool Shanks
Published by ISO on April 1, 1991
This International Standard specifies the dimensions of self-holding tapers for tool shanks with a small taper of about 4% to 5%, classified, according to their use, into the three following...
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