Used to secure plasterboard to drywall and ceiling track systems with a max. of 0.6mm thickness. The collated strips are specifically designed to be compatible with all leading power tool brands. Fire Classification: A1" Thread Dia. mm: 3.5 Length mm: 55 Thread Length mm: 50 Head Type: Bugle Recess Type: Phillips Point Type: 25 Sharp Driver Bit Size: PH2 Finish: Zinc Material: Carbon Steel Max Drilling Thickness mm: 0.6Size 3.5 x 55 - 1000 Pieces. TIMco 00055COLDZYS Collated Fine Drywall Screw BZP 3.5 x 55mmBox of 1,000 Collated Fine Thread Collated fine thread drywall screws in Zinc, designed... Used to secure plasterboard to drywall and ceiling track systems with a max. of 0.6mm thickness. The collated strips are specifically designed to be compatible with all leading power tool brands.CE Standard WebBS EN 14566:2008Corrosion Rating1 - Clean, dry & low humidity environmentsDescriptionUsed to secure plasterboard to drywall and ceiling track systems with a max. of 0.6mm thickness. The collated strips are specifically designed to be compatible with all leading power tool brands.Driver Bit SizePH2FinishZincHead TypeBugleLength inch2 Length mm55MaterialCarbon SteelMax Drilling Thickness mm0.6Pack Dimensions L x W x H mm562 x 122 x 66Pack Weight kg3.000Point Type25° SharpProduct Code00055COLDZYSRecess TypePhillipsScrews Per Strip50Size mm3.5 x 55SubstratesThin Sheet Metal, DrywallThread Dia. mm3.5Thread Length mm50Thread TypeFine.