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GB/T 4258-2004 PDF English

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GB/T 4258-2004: Parallel shanks countersinks for angles 60-degree, 90-degreeand 120-degreeinclusive
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GB/T 4258: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
GB/T 4258-2004English134 Add to Cart 3 days [Need to translate] Parallel shanks countersinks for angles 60-degree, 90-degreeand 120-degreeinclusive
GB/T 4258-1984English199 Add to Cart 2 days [Need to translate] Countersinks with parallel shanks for angles 60 degree, 90 degree and 120 degree inclusive

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Basic data

Standard ID GB/T 4258-2004 (GB/T4258-2004)
Description (Translated English) Parallel shanks countersinks for angles 60-degree, 90-degreeand 120-degreeinclusive
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J41
Classification of International Standard 25.100.30
Word Count Estimation 2,233
Date of Issue 2004-02-10
Date of Implementation 2004-08-01
Older Standard (superseded by this standard) GB/T 4258-1984
Quoted Standard GB/T 1143
Adopted Standard ISO 3294-1975; IDT
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: 600��, 90��, 120�� Straight Shank Countersinks size. This standard only requires that the metric system, against cutting diameter, mm to 2, mm-countersink drill, later recommended only metric sizes. These dimensions apply only to high-speed steel cutting tools, But production allowed, shank available suitable materials instead, such as carbon steel. Unless otherwise stated, countersink drill made the right cut. Morse taper cone drill at 49 GB/T 1143 is given.

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