Sealey Hex Head Zinc Plated Din 7504K Self Drilling Screws 4.8mm 19mm Pack of 100

This 4.8mm diameter by 19mm length variant combines increased diameter strength with mid-range length, creating an excellent all-purpose fastener for demanding applications. The 19mm length is particularly effective for fixing HVAC ducting, heavy-gauge cladding, and industrial enclosures where robust fastening performance is essential. The 4.8mm diameter delivers superior holding power for high-stress applications, whilst the 19mm length provides adequate thread engagement through single or double material layers. The self-drilling point reduces installation time significantly, and the zinc-plated finish offers reliable corrosion resistance. The hex head design ensures secure tightening even in confined spaces. Features and Benefits: • 4.8mm diameter x 19mm length ideal for heavy-duty general applications • Perfect for HVAC, industrial cladding, and robust fixings • Self-drilling design eliminates pre-drilling requirements • Zinc plating provides excellent corrosion protection • Hex he