Brand:TGR, XDM, TD
Surface:stainless steel304,316,316L,317,317L,carbon steel,etc
Material:HDG, plain, black, galvanized, yellow zinc, nickel plated,dacromet, etc
Nuts are slotted with opposed cuts into the top of the nut. Similar to Castle Nuts except slots are not inset from edge of hex. Available in Stainless Steel 304/316/316L etc.