It is always known that the terms self-drilling screw and self tapping screws are always used interchangeably. In real terms, they are two totally different types of screws. It is very important that in few jobs that require being done there needs to be a specific type of screws that needs to be installed in order to get the job done perfectly. Hence, it makes it critical to understand the clear difference between the two. Sometimes using the wrong kind of screw with the improper type of the fastener will get the outcome of weak joints in between the surfaces and feeble links. Visit Tappex website to order self tapping screws today!