In terms of references without a specified date, the latest Terms of references with a specified date, only versions with a specified date areĪpplicable to this document. The following documents are indispensable to the application of this document. The reference mass of screws is shown in Appendix A. This Part is applicable to hexagon socket head cap screws with the nominal diameter This Part of GB/T 70 specifies the types and dimensions, technical conditions andĭesignation of hexagon socket head cap screws with fine pitch thread. International standards, such as: ISO 261, ISO 888, ISO 898-1, ISO 965-2, ISOģ506-1, ISO 4759-1 and ISO 8839” is deleted from Chapter 6 Other Technical “if other technical requirements are needed, you may select from the existing So as to comply with the stipulations of GB/T 1237 Designation example is modified into simplified designation example (see 5.2), Modified into “d ≤ 24 mm” and “24 mm < d ≤ 36 mm” (see Table 2) The corresponding specification of stainless steel product performance level is The technical requirements for packaging are added (see Table 2), so as toĬomply with Chinese basic standards on fasteners Non-ferrous metals CU2 and CU3 (see Table 2) are added, so as to expand the Standards (see Chapter 2) GB/T 70.5 (see Table 1), GB/T 90.2 (see Table 2)Īnd GB/T 1237 (see 5.1) are added, so as to comply with Chinese basic In Normative References, Chinese Standards are used to replace international In comparison with ISO 12474:2010, the technical differences and the reasons for
Socket Head Cap Screws with Metric Fine Pitch Thread. This Part uses the re-drafting method to modify and adopt ISO 12474:2010 Hexagon This Part was drafted in accordance with the rules in GB/T 1.1-2009. GB/T 5281 Hexagon Socket Head Shoulder Screws. GB/T 70.6 Hexagon Socket Head Cap Screws - Fine Pitch Thread GB/T 70.4 Hexagon Socket Button Head Screws with Collar GB/T 70.3 Hexagon Socket Countersunk Head Screws GB/T 70.2 Hexagon Socket Button Head Screws GB/T 70.1 Hexagon Socket Head Cap Screws GB/T 70 is one of the national standards of the “socket head cap screws (hexagon 12Īppendix A (informative) Mass of Steel Screw. Standardization Administration of the People’s Republic ofĤ Technical Conditions and Reference Standards. Issued by: State Administration for Market Regulation (ISO 12474:2010, Hexagon Socket Head Cap Screws with Metric Fine Pitch Hexagon Socket Head Cap Screws - Fine Pitch Thread
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