SKU: ALL18257-50
UPC: 848238078190
MPN: ALL18257-50
The 7/16-20 LH Steel Jam Nuts 50pk from ALLSTAR PERFORMANCE are essential fastening components designed for precision engine builds, transmission work, and custom automotive fabrication. These left-hand threaded jam nuts are crucial for locking assemblies where standard right-hand fasteners may loosen under vibration or rotational stress, making them ideal for serious mechanics and automotive professionals.
Manufactured from hardened steel, these jam nuts feature a 7/16-inch diameter and 20 threads per inch (TPI), engineered to lock securely against standard fasteners without the need for threadlocker compounds. Their left-hand thread direction is designed for applications where counterclockwise rotation could loosen a standard nut, enhancing reliability in various mechanical assemblies.
Mechanics working on engine rebuilds, transmission assembly, carburetor tuning, and exhaust manifold installation will find this 50-pack invaluable for mixed fastener projects. The quantity is suitable for both small-block and big-block engine work, spindle modifications, and any custom fabrication requiring dependable fastening solutions.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
