JB/T 6361.4-1992 Countersunk head spiral groove nails

This standard specifies countersunk spiral groove nails with diameter specifications of 2.5~4mm. This standard applies to countersunk spiral groove nails for wood structure connection. The products of this standard are commercial fasteners and should be used first. JB/T 6361.4-1992 Countersunk spiral groove nails JB/T6361.4-1992 Standard download decompression password: www.bzxz.net

Mechanical Industry Standard of the People's Republic of China
Countersunk spiral groove nails
1 Subject content and scope of application
This standard specifies countersunk spiral groove nails with a diameter specification of 2.5~4mm. This standard is applicable to countersunk spiral groove nails for wood structure connection. The products of this standard are commercial fastener varieties and should be used first. 2 Reference standards
GB1237
JB/T6361.5
Type size
Diameter specification d
Marking method of fasteners
Technical conditions for ring groove nails and spiral groove nails
b241/5;
aSee Article 3.3 of JB/T6361.5
Length specification!
Approved by the Ministry of Machinery and Electronics Industry on July 15, 1992min
JB/T 6361. 4-92
Implemented on January 1, 1993
Diameter specification d
Technical conditions
JB/T6361.4-92
Length specification 1
Technical conditions shall be in accordance with JB/T6361.5. bzxZ.net
5 Marking
Marking method shall be in accordance with GB1237.
5.2 Marking example
d=3.0mm, l=60mm, A-type nail tip, material is low carbon steel, no surface treatment countersunk spiral groove nail marking example:
Spiral groove nail
Additional instructions:
JB/T6361.43×60
This standard is proposed by the National Fastener Standardization Technical Committee. 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. 8
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