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เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS G 3507-2:2005
Carbon steels for cold heading - Part 2:Wires
2005
19
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This part of JIS G 3507 specifies the carbon steel wires for cold heading to be used for the manufacture of various types of screws such as bolts, nuts, rivets, machine screws and tapping screws and various parts by cold heading.