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BSI - BS 949-1

Screwing taps - Part 1: Specification of general dimensions

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Organization: BSI
Publication Date: 31 January 1992
Status: inactive
Page Count: 16
ICS Code (Taps and threading dies): 25.100.50
scope:

Taps for cutting ISO metric threads in BS 3643; Unified threads; BSW and BA threads.

Document History

BS 949-1
January 31, 1992
Screwing taps - Part 1: Specification of general dimensions
Taps for cutting ISO metric threads in BS 3643; Unified threads; BSW and BA threads.
BS 949-1
January 31, 1992
Screwing Taps Part 1: Specification of General Dimensions
Taps for cutting ISO metric threads in BS 3643; Unified threads; BSW and BA threads.
BS 949-1
January 31, 1992
Screwing Taps Part 1: Specification of General Dimensions
A description is not available for this item.
BS 949-1
October 29, 1976
Screwing Taps Part 1: Taps for ISO Metric Threads
General dimensions of short machine or hand taps (ISO 529) and long shank machine taps (ISO 2283) and the dimensions and tolerances on the threaded portion of taps for ISO metric threads (ISO 2857).

References

This document references:
BS 1580-1 - Unified screw threads Part 1: Screw threads with diameters 1/4 in and larger - Requirements
Published by BSI on December 31, 2007
A description is not available for this item.
This document references:
ISO 529 - Short machine taps and hand taps
Published by ISO on March 1, 2017
This document specifies the general dimensions of short machine taps and hand taps. These dimensions, established as functions of the thread diameter and pitch, are the following: — length of thread...
This document references:
ISO 5967 - Taps and Thread Cutting - Nomenclature of the Main Types and Terminology
Published by ISO on January 1, 1981
A description is not available for this item.
This document references:
ISO 2283 - Long Shank Machine Taps with Nominal Diameters from M3 to M24 and 1/8 to 1 in - Reduced Shank Taps
Published by ISO on March 15, 2000
A description is not available for this item.
This document references:
ISO 237 - Rotating Tools with Parallel Shanks - Diameters of Shanks and Sizes of Driving Squares
Published by ISO on January 1, 1975
A description is not available for this item.
This document is referenced by:
BS 949-5 - Screwing Taps - Part 5: Nomenclature and Terminology
Published by BSI on June 29, 1990
Covers main types of taps and gives dimensional characteristics and numbered symbols given to identify dimensional characteristics.
This document is referenced by:
BS 949-4 - Screwing Taps - Part 4: Metric Ground Thread Taps: Manufacturing Tolerances
Published by BSI on June 29, 1990
Manufacturing tolerances on the threaded portion of taps for producing ISO metric threads of tolerance classes 4H to 8H and 4G to 6G. Valid for short taps specified in ISO/R 529 as well as any other...
This document is referenced by:
BS 4377 - Specification for Tapping of Holes to Receive Wire Thread Inserts (ISO Metric Threads)
Published by BSI on May 31, 1991
Specifies limits of size for tapped holes to accomodate wire thread inserts to provide ISO metric thread sizes from M1.6 (1.6 mm diameter) to M39 (39 mm diameter) inclusive.
This document is referenced by:
BS 3531-5.5 - Implants for osteosynthesis - Part 5: Bone screws and auxiliary equipment - Section 5.5 Specification for taps and drills
Published by BSI on April 30, 1990
General requirements for twist drills and taps for use with bone screws specified in BS 3531-5.4.
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