Fastener Selector (388 products)
ASTM A194 Grade 4 Heavy Hexagon nuts -Self Colour
Heavy hex nuts are slightly larger and thicker than standard nuts (H=D, so the height of the nut = the diameter of the bolt).
Quenched & tempered carbon-molybdenum heavy hex nuts
M16 Self Colour Heavy Hexagon Nut - A194 Grade 4 Reference Code: NUTS/GR4/HEX-M16