Timco Metal Construction Timber to Heavy Section Screws - Countersunk - Wing-Tip - Self-Drilling - Zinc 5.5 x 85 - 100 Pieces Compression Waste Steel material offers improved fire

Steel material offers improved fire resistance compared to plastic or nylon fixings

in- line system filter is easy to install and fast and convenient to clean

GIS rails—anything plumbers need for new installations in shell construction and industry

These blowtorches provide everything the craftsman or discerning home handyman requires

Timco Metal Construction Timber to Heavy Section Screws - Countersunk - Wing-Tip - Self-Drilling - Zinc 5.5 x 85 - 100 Pieces Compression Waste Steel material offers improved fireDescription Timco Metal Construction Timber to Heavy Section Screws Countersunk Wing Tip Self Drilling Zinc 5. 5 x 85 100 Pieces product description: Specifically designed to attach wood to heavy section steel (Max. 12mm). Metric thread with wings designed to ream out the timber, so the screw can achieve Max. R. P. M. without burning out. When the wings hit the metal they will break off to permit the thread to self tap into the metal. Product manual