Known as: rais. Counters. H . Tap. S . B3,5 x 9,5 / rais. Counters. H . Tap. S . / oval-head sheetmetal screw / rais. Counters. H . Tap. S . B 3,5 x 9,5 / tapping screw b 3,5 x 9,5 / tapping screw