A bolt that is adjusted to a carefully controlled tension by means of a calibrated torsion wrench; used in place of a rivet. Also known as high-tension bolt. Stockist of : M.S. H.T. BOLTS, NUTS WASHERS, NYLOCK, NUT, SPRING WASHER CIRCLIPS AND ALL TYPES OF INDUSTRIAL FASTENERS CONSTRUCTION FASTENERS ANCHOR BOLTS. ETC. H.T. FASTENERS, FORBES "BBBB" BRAND SPRING WASHER. Dealers for : LPS, BRAND H.T. FASTENERS KUNDAN, APL & SAI BRAND, S.S.FASTENERS etc. ALL TYPES OF CHINEESE & IMPORTED BOLTS & NUTS.