This standard specifies flat head spiral groove nails with diameter specifications of 2.5~4mm. This standard applies to flat head spiral groove nails for wood structure connection. The products of this standard are commercial fasteners and should be selected as the preferred ones. JB/T 6361.3-1992 Flat head spiral groove nails JB/T6361.3-1992 Standard download decompression password: www.bzxz.net
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Mechanical Industry Standard of the People's Republic of China Flat-head spiral groove nails 1 Subject content and scope of application This standard specifies flat-head spiral groove nails with a diameter of 2.5~4mm. This standard applies to flat-head spiral groove nails for wood structure connections. The products of this standard are commercial fasteners and should be used first. Reference standards GB1237 Marking method for fasteners JB/T6361.5 Technical conditions for ring groove nails and spiral groove nails 3 Type dimensions Type dimensions are shown in the figure and table. b≥41/5; eSee Article 3.3 of JB/T6361.5 Diameter specification d Approved by the Ministry of Machinery and Electronics Industry on July 15, 1992Length specification 2 JB/T6361.392 Implemented on January 1, 1993 Diameter specification d Technical conditions JB/T6361.3-92 Length specification 1 Technical conditions shall be in accordance with the provisions of JB/T6361.5. 5 Marking 5.1 Marking method shall be in accordance with the provisions of GB1237. 5.2 Marking example d=3.0mm, l=60mm, A-type nail tip, material is low carbon steel, flat head spiral groove nail without surface treatment Marking example: JB/T6361.3 Spiral groove nail Additional instructions:wwW.bzxz.Net This standard is proposed by the National Technical Committee for Standardization of Fasteners. This standard is under the jurisdiction of the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry. This standard is drafted by the Mechanical Standardization Research Institute of the Ministry of Machinery and Electronics Industry. 6 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.