Deck Screw 5.5 x 50 S2 304SS TX20 Pk500304 stainless steel which offers a high degree of weather resistance. Timber is protected from tearing or splitting by the drill tip. The self drilling tip makes the installation quick and easy. Small head diameter ensures that the head can sink in cleanly and easily. Grooved shank adds extreme holding down strength. Available in 304 or 316 in three different finishes A) stainless, B) silicone bronze vintage, and C) black coated. Smooth head for a