Model Number: 3.5X25MM,3.5X35MM-#8485 Brand Name: RED DIAMOND Key Specifications/Special Features: Place of origin: Tianjin, China (Mainland) Model number: drywall screwStandard: DINName: China bugle head collated drywall screw with plasticStrip material: C1022Length: 10-254mm (1/2 to 10 inches)Diameter: M3.0/M3.5/M4.0/M5.0/M6.0Finish: black/grey phosphate, blue/yellow zinc-platedThread type: fine thread or coarse threadHead: Philips #2 drive and bugle headPacking: bulk/small packingPayment terms: 30% T/T in advance and 70% before shipment