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Database: 189760 (18 Oct 2025)
GB/T 4266-2004 English PDF
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GB/T 4266-2004
: Detachable pilots for use with counterbores and countersinks
Status: Valid
GB/T 4266: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
GB/T 4266-2004
English
139
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2 days [Need to translate]
Detachable pilots for use with counterbores and countersinks
Valid
GB/T 4266-2004
GB/T 4266-1984
English
199
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2 days [Need to translate]
Detachable pilots for use with counterbores and countersinks
Obsolete
GB/T 4266-1984
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Basic data
Standard ID
GB/T 4266-2004 (GB/T4266-2004)
Description (Translated English)
Detachable pilots for use with counterbores and countersinks
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
J41
Classification of International Standard
25.100.30
Word Count Estimation
5,539
Date of Issue
2004-02-10
Date of Implementation
2004-08-01
Older Standard (superseded by this standard)
GB/T 4266-1984
Quoted Standard
GB/T 4261; GB/T 4264
Adopted Standard
ISO 4208-1977; MOD
Regulation (derived from)
Announcement of Newly Approved National Standards No. 3, 2004 (No. 65 overall)
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee
Summary
This standard specifies: Morse taper shank for Counterbores and 90�� Countersinks interchangeable pillar Dimensions and technical requirements. This guide can also be used for other types of post tools. Figure is just a graphic, not as a design detail.