These screws have thread locker applied on their threads; this thread locker will help hold the screw in position. A Locking Screw can be installed and removed approximately 10-15 times and still retain a firm lock each time. The screws provide similar functionality to the VEX Nylock Nuts. The locking screws come in 2 sizes, 1/4 inch and 1/2 inch in length.
Compatibility: Compatible with all standard VEX nuts and standoffs.
Material Type: High Strength Stainless Steel with no finish
Thread Type: 8-32 UNC
Size: Use the 3/32" Allen wrench.
$9.99 
