TIMco LW38S Self Drilling Screws 5.5 x 100 Silver Ruspert (Box of 100)

General description Specifically designed to attach wood to metal (Max. 5mm), the TIMCO Self-Drilling Wing-Tip Steel to Timber Light Section Exterior Silver Screws feature a coarse self-tapping thread with wings that ream out the timber, allowing the screw to achieve maximum revolutions per minute (R.P.M.) without burning out. When the wings hit the metal, they break off to permit the thread. Technical specifications Dimensions: 5.5 x 100 mm Material: Steel Finish: Silver