Anti-falling countersunk head screw for fastening product

The utility model belongs to the technical field of countersunk head screws, and particularly relates to an anti-falling countersunk head screw for fastening products, which comprises a screw rod, a screw head and a thread, the screw head is fixedly mounted on the screw rod, the thread is mounted on the outer wall of the lower end of the screw rod, and the anti-falling countersunk head screw further comprises a packaging component and a locking component which are used for mounting the countersunk head screw in an anti-falling manner, the sealing assembly and the locking assembly are installed on the screw rod, the sealing assembly comprises a first clamping groove and a second clamping groove, and the first clamping groove and the second clamping groove are formed in the inner wall of the side end of the screw rod and the inner wall of the side end of the screw head respectively. The pushing block is installed on the inner side of the clamping groove, and after the rubber clamping strip is pulled out, the pu