Metallographic testing equipment and consumables
Drywall screw ,Chipboard Screw,Self Tapping Screw ,Self Drilling Screw , Cement nail ,Wood Screws
Blackening Treatment for Stainless Steel and Copper Materials (Fasteners, Rigging, Castings, Precision Machined Parts): High surface hardness: 6H grade. Strong adhesion: 5A grade. Clean, oil-free, and environmentally friendly, compliant with EU RoHS (SGS report available upon request). Thin coating (3-8 μm), minimally impacting thread acceptance with go/no-go gauges. Resistant to acids, alkalis, and seawater corrosion, verified by corrosion tests. Heat-resistant up to 400°C without peeling. Effectively prevents thread locking and provides lubrication, with a friction coefficient between 0.19 and 0.25. Excellent salt spray resistance: starting from 120 hours, up to 300 hours, and can achieve 1000 hours. UV-resistant, colorfast, and aging-resistant. Consistent color across multiple production batches. Contact: 18661897293 / 18653205193
Metal mode; screw plate; plunger chip
Drywall Screw、Chipboard Screw、 Self Drilling Screw、Hex Head Self Drilling Screw、Self Tapping Screw、 410SS Self Drilling Screw
CSK head self drilling screws, Truss head self drilling screws, Pan head self drilling screws, Drywall screws
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Контакт
Шанхайская выставочная компания "Afastener Exhibition Co., Ltd."
Телефон:+86 (0)20 8985 1867
Электронная почта: Info@afastener.com







