JIS B 1187:2017 specifies the steel and brass hexagon head screws with captive washer for general purposes. The hexagon head screws specified in this Standard are screws manufactured by mounting a washer onto the screw blank before rolling the threads so that the washer does not fall from the screw.
JIS B 1187:2017 History
JIS B 1187:2017
$53.00 $106.00
JIS B 1187:1995
$34.00 $68.00
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