Heavy Hex Nuts
Available in stainless steel or silicone bronze, drill spot provides Amazon with some very high quality stock on the most widely used and versatile nut on the market. It’s recommend to be used with a non-heat treated screw or low carbon bolt.
Bronze/brass is generally used with communications, electrical builders and even some marine uses as well. (*generally used outdoor)
Click here for a dimension chart.
Or, click here for more info on Snap On Mechanics Tool Set Units