B-u-s-h-i-n-g_302BS Home / Shop B-u-s-h-i-n-g_302BS $30.58 Home / Shop B-u-s-h-i-n-g_302BS $30.58 Model Number: J-4-2-3-8-5-3-0-2-B-S BIG-SERT M11 DRILL BUSHING Maximum quantity exceeded Minimum purchase amount of 0 is required Maximum purchase amount of 1 is allowed 30.580 10000000 Maximum purchase amount of 1 is allowed Manufacturer: TIME-SERT Description NOTE: Be sure the core drill is inside the drill bushing before starting so you do not dull the core drill cutting edges.