Silicon Bronze Hex Jam Nuts

Our hex jam nuts are a true, solid 651 Silicon Bronze Alloy and comparable to our regular hex finish nuts but thinner. Two jam nuts are generally used at a time, and tightened against one another for a locking effect. Jam nuts are often also referred to as: Check Nuts Thin Hex Nuts Thin Nuts Need an anti-seize and thread protectant for these nuts? Don't forget to add on some Fair Wind Screw Lube. Nominal Size Width Across The Flats Thickness 1/4" 7/16" 5/32" 5/16" 1/2" 3/16" 3/8" 9/16" 7/32" 1/2" 3/4" 5/16" 5/8" 1 5/16" 3/8"