Manufacturer’s reference: are5522 – Pack of 500 pcs. The indicated price is per pack. re: Zinc Finish. Screw color-head of reduced tip and 8 mm hex head features & # x2022; Zinc plated finish (Code are) & # x2022; Top chapa-chapa of small upto 1.5 mm thickness, the drill is a cordless prior of smaller diameter. The screw, more diameter, creates a extrusion in the sheet, lengthens and strengthens the area of threaded & # x2022; versions with assembled EPDM washer for tight closure on facades and covers (see Technical tab ABE (acetone-butanol-ethanol) Code) card Technical Features Material Coated Tip footprint head installation work