JIS B 1129
Tapping screw washer assemblies with plain washers
English
2004
Detailed Information
This Standard specifies the requirements for tapping screw and plain washer assemblies with spaced threads from ST2.2 to ST9.5 inclusive, flat seating heads and mechanical properties in accordance with JIS B 1055.
The plain washers are captive, i.e. prevented from disassembly and free to rotate.

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