GB/T 3506-2008 English PDF

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GB/T 3506-2008: Machine taps with helical flutes
Status: Valid

GB/T 3506: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3506-2008	279	Add to Cart	3 days	Machine taps with helical flutes	Valid
GB/T 3506-1993	439	Add to Cart	4 days	Machine taps with helical flutes	Obsolete

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Basic data

Standard ID: GB/T 3506-2008 (GB/T3506-2008)
Description (Translated English): Machine taps with helical flutes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Classification of International Standard: 25.100.50
Word Count Estimation: 12,185
Date of Issue: 2008-06-03
Date of Implementation: 2009-01-01
Older Standard (superseded by this standard): GB/T 3506-1993
Quoted Standard: GB/T 968
Regulation (derived from): National Standard Approval Announcement 2008 No.9 (Total No.122)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the spiral flute tap the type size, basic requirements of technical requirements and sign the package. This standard applies to the processing of ordinary spiral groove machine thread tap, tap thread precision by H1, H2, H3 with three kinds of manufacturing tolerances.

GB/T 3506-2008: Machine taps with helical flutes

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Machine taps with helical flutes ICS 25.100.50 J41 National Standards of People's Republic of China Replacing GB/T 3506-1993 Spiral taps 2008-06-03 released 2009-01-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard replaces GB/T 3506-1993 "spiral taps." This standard compared with GB/T 3506-1993 has the following changes. --- Added "foreword"; --- Figure 1, the length of the neck of the labeling and calculation were modified; --- Remove the brackets in Table 1 and Table 2; --- Canceled a list of spiral angle symbols in Table 4; --- Table 1 and Table 2 of the total length, length and neck length according to ISO 529..1993 has been modified; --- Square shape of the tap square error according to GB/T 969-1994 made changes; --- Taps part of the hardness by GB/T 969-1994 made changes; --- Canceled the performance test chapter. This standard Appendix A, Appendix B are informative appendix. This standard is proposed by the China Machinery Industry Federation. This standard by the National Standardization Technical Committee Tool (SAC/TC91) centralized. This standard was drafted. Chengdu into the amount of Tools Co., Ltd. The main drafters of this standard. Huang Huaxin, Xiong Jian. This standard replaces the standards previously issued. --- GB 3506-1983, GB/T 3506-1993. Spiral taps

1 Scope

This standard specifies the spiral groove taps type size, technical requirements and logo packaging the basic requirements. This standard applies to the processing of ordinary thread machine screw taps, tap thread accuracy by H1, H2, H3 three tolerances to create.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. All dated references, which are subsequently owned Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to reach an agreement based on this standard research Whether you can use the latest versions of these files. For undated references, the latest version applies to this standard. GB/T 968 tap thread tolerances

3 type and size

3.1 tap type shown in Figure 1, the size in Table 1, Table 2 gives. Short tap see Appendix B. Figure 1 ......

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