JB/T 9158.13-1999 Dimensions of square head screws for horizontal multi-spindle automatic lathe accessories

JB/T 9158.13-1999 JB/T 9158.13-1999 Dimensions of square head screws for horizontal multi-spindle automatic lathes JB/T9158.13-1999 Standard download decompression password: www.bzxz.net

1CS 25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T9158.1~9158.13—1999
Accessories of multi-spindle horizontal automatic lathes
Promulgated on 1999-05-20
State Administration of Machinery Industry
Implemented on 2000-01-01
1Scope
Machinery Industry Standard of the People's Republic of China
Accessories of multi-spindle horizontal automatic lathes
Size of square head screws
Accegsorles ofmulti-spindlehorizontal auiamairlatbesSqoarebeadserewDienskons
JB/T915B.13—1999www.bzxz.net
Substituted with ZB/T 152 012.+J—90
This standard specifies the types and sizes of M12 and M16 head nails. This standard is applicable to horizontal axis moving lathes specified in JB/19158.1-9158.12-1999.
2 Cited standards
The provisions contained in the following standards constitute the text of this standard through reference in the whole standard. When this standard is published, the versions shown are not all valid: All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards. GB196-1981 General climbing effect basic size (diameter 1-600mm) GB.11971981 General media effect tolerance and fit (diameter [-355mnl) 3 Type and size
Type and size are as specified in the following figure and table. Approved by the State Machinery Industry Bureau on May 10, 1999 and implemented on January 1, 2000
Basic size stop
Electrode net deviation hl
Note: Thick line is the standard recommended size. 4 Marking
Marking example:
JB/T9158.13—1999
M12x90
M12×95
M12×100F
M12-105
M12-110
M12-120
d-M12, -80mm hall head screw marking: M12 ×80JBT9158.13—1999
M16x85
M16xyl
M16-95
M16×100||tt| |M16×105
M16×120
MIGt25
Mr6x130
M15x140
M16×145
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