Tenn RX Selfdrillers
The trend in recent years towards lighter, more economical - but yet strong - forms of steel construction has led to the wide use of thin-walled elements as purlins, rafters, trusses, beams, floor joists and loadbearing walls.
Tenn SD Selfdrillers
Tenn SD Selidrillers are precision cold-formed self-drilling screws specifically designed for drilling into and fastening metals over 6 mm and up to 15 mm thick.
Tenn DX Selfdrillers
Tenn DX Selfdrillers are high strength carbon steel self-drilling screws. They combine drilling, tapping and fastening in a single operation. Tenn DX Selidrillers are designed for use under the extreme conditions of construction site environments.