Self -Tapping Screw 3.5X25 For Metal, Fastener Element For Fixing Drywall To A Metal Frame. Self-Cutting Shurup Self-Cutting Gypsum Plastered Metall (Shsgm) Are Made Of High-Quality Carbon Steel. Black Phosphate Coating Protects Against Corrosion. Products Are Designed To Work With Drywall, Gypsum Fiber, Moisture And Moisture With Fire-Resistant Sheets Of Drywall During Installation Of Structures On A Metal Frame, A Crate. Small Product Thread Provides Reliable Fixation For Thin Wall Walls. For The Use Of Screws, You Do Not Need To Drill Holes. The Work Is Carried Out By A Screwdriver Or A Screwdriver. Self-Cut Length Is Selected According To The Formula: Product Length = Gkls Thickness Thickness * Number Of Plates + (20-25) Mm.
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