Flat head rivet nut, countersunk rivet nut, vertical grain rivet nut, hexagonal rivet nut, blind hole rivet nut, and various non-standard parts

TBM, steel bridges and fasteners

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

Bolt Series Track Assembly Rollers

Self-tapping screws, self-drilling screws, drywall screws, floor screws, and custom fasteners

M20-M72 High strength bolt, nut, washer

Furniture nuts, furniture screws, cross hole nuts

Continuous net belt furnace production line (electric heating, natural gas heating type), imported electrical components and net belt furnace accessories such as radiation pipe, upper and lower row support rod, net belt, etc

Hexagon bolt, high-strength steel structure large hexagon bolt, hex socket cap screws, non-standard bolt, automotive parts bolt, B7 stud bolt, thread bar,hex nuts

Bimetal Drilling Screws AS3566 Ruspert Coating screw