Unifix Stainless Steel Self-Tapping Screws Pozi Pan Head 12g 3/4'' - 1''Specifications: Unifix Stainless Steel Self Tapping Screws Pozi Pan Head 12g 3 4'' 1'' Gauge: 12g Sizes available: 3 4'', 1'' A machine screw which cuts its own thread into a pre drilled surface (sheet metal or plastic) and gives grip, therefore not requiring to be tightened from the other end. These screws are ideal where only one side can be accessed. Generally used to attach a component to a surface. Cross recessed drive. Pan head style. AB (sharp)