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
Original price was: $106.00.$53.00Current price is: $53.00.
Hexagon head screws with captive washer
Japanese Industrial Standard / Japanese Standards Association , 01/01/2017
