When you go into the ISO link you find the same item
iso 8676 hex head cap screw (or bolt if you read the drawing legend)
iso 4017 Hexagon head bolt with thread up to the head (still a bolt if you read the drawing legend)
Which either means ISO standards quality checking is sub standard or no one cares and the language has moved on..
PS stuff for wood is different
iso 8676 hex head cap screw (or bolt if you read the drawing legend)
iso 4017 Hexagon head bolt with thread up to the head (still a bolt if you read the drawing legend)
Which either means ISO standards quality checking is sub standard or no one cares and the language has moved on..
PS stuff for wood is different