self-tapping screw

(redirected from sheet-metal screw)
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self-tapping screw,

n a screw that cuts its own spiral threads into bone or tooth structure.
References in periodicals archive ?
That's right, not studs, not bolts, sheet-metal screws that back out every two or three hours of operation.
The copper base is glued together (no soldering needed); the top is reinforced with sheet-metal screws.
Then drill holes and insert sheet-metal screws into top joints (two into each T and one per elbow).