ASME B18.3 Socket Set Screws
Imperial Thread Size: 0# - 2"
Various Drive and Point Types
Various Surface Finishes
Other Material Grades are available
Please feel free to contact us for more details
Get more info on Amazon-US: https://bit.ly/1oA9Icy
the weights are fine. However, the rack is a disaster. the nuts provided do not even fit into the screws. Called and tried to get new and bolts sent, but you would need to return the entire set. worth the hassle. To the hardware store I go.