Jam nuts are thin nuts that are assembled with regular nuts to lock both nuts in place. The jam nut helps prevent loosening by providing extra resistance.
Metric Jam Nuts
Thread Size:1/2-13; External Hex Drive Size: 3/4 Width from point to point: 0.866 inch (max); Thickness: 0.323 inch (max); Meets ASME B18.2.2
1/2-13 UNC Stainless Steel Thin Hex Nuts Hexagon Jam Nuts, 304 Stainless Steel 18-8, Full Thread, Coarse Thread, 10 PCS
Jam Nuts - Latch Lake MusicLatch Lake Music
3/8-24 LH Steel Jam Nuts 4pk
Hex Jam Nuts High-Quality Hex Jame Nuts
Hex Jam Nuts - Portland Bolt
Stainless Steel Hex Jam Nut, Hex Jam Nuts
Brass hex Jam Nuts ANSI/ASME B18.2.2. Brass Jam Nuts
These 1/2-13 stainless jam nuts are available in convenient packs of 25. Dimensions are as follows: Width (flat to flat) is 3/4 & thickness is 5/16.
Type 18-8 Stainless Steel Thin/Jam Nuts - Marine Bolt Supply (1/2-13 (pack of 25))
Thin/Jam Nuts DIN439 Stainless Steel M8-M52 - China Thin Nuts, Jam Nuts