It is a company specialized in production and sales of Carbon steel spheroidizing annealing wire, Alloy steel spheroidizing annealing wire, rivet wire, bright wire. The products are mainly applied in the down stream customers like the suppliers of precision electronic screw, building screws, auto-car fasteners, rivets, precision springs and various Precision Machinery Elements etc.

Specialized in custom components and fasteners, the products encompass cold forging parts (screws, bolts, nuts, connectors, rivets), machining parts (CNC lathe, automatic lathe, cam machine, core conveyor, CNC, and machining center components), stamping parts (gaskets, retaining rings, precision laser-cut parts), and hot forging parts. Materials include carbon steel, stainless steel, copper, aluminum alloy, titanium alloy, carbon fiber, plastics, and rubber. Surface treatments range from galvanized nickel, Dacromet, and hot-dip galvanizing to painting and anodized coatings.

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Rivet nuts: flat head knurled body; flat head round body; small head round head; small head knurled body; large head round body; large head knurled body; flat head half hex body;flat head hex body

The products include alloy steel, mid carbon steel, stainless steel of DIN,ISO,ASME,JIS and Customer's requirement and Grade 8.8,10.9 and 12.9 high-strength Socket Head Screws and Hex Head Cap Screws and various Special parts.

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Hex bolts and other fasteners

With the rapidly expanding she has covered remarkably the most fastener’s market. Since 1993 WASI is performing to DIN EN ISO 9001 certificate. A modern testing laboratory, accredited through A2LA in the USA and experienced inspection team is the base to perform all tests with scrutiny. The whole business scope accord completely with the mother company Wuerth – concentrate on top quality products of carbon steel standard parts and WASI - specialize in top quality stainless steels fasteners. Some special products such as patient parts for special purpose und use is available. On demand of customer we also import from other European suppliers for special items.

Material: carbon steel, Alloy steel, stainless steel and brass ; Finishing: zinc plated, copper plating, black, phosphating, mechanical galvanized, hot dipped galvanized, dacromet, etc ; Product Line: bolts, nuts, washers, screws, thread rods, steel structures, non-standard parts, metal stamping; Bolt Class: 4.8、5.8、6.8、8.8、10.9、G-2、 G-5 Nut Class: 6、8、10、2H、HV 10、G-2、G-5

Our products range:bolts, nuts, wood screws, machine screws, self-tapping screws, spring washers, flat washers, anchors etc. according to DIN, ANSI, BS and JIS standard. Made from carbon steel at Grado 4.8, 6.8, 8.8, 10.9, 12.9 with ACABADO of plain, black, zinc(bright/yellow), brass, nickel, chrome, etc. hex bolt, self-drilling screw

1. Product Type Standards Fasteners: Compliant with DIN/IFI/JIS/ISO standards, covering core automotive products such as shoulder bolts, gear bars, spline screws, truck bolts, four-cornered screws, carriage screws, and T-bolts; chassis components, nuts, sleeves, exhaust pipe hooks, safety belt mandrel parts, and assemblies. Other products: rivets, irregular parts, customized products, mold-closing screws, special screws, and double bolts. 2. Product Specifications and Material Specifications: IFI standard (NO.4–1 inch, maximum length 8 inches), DIN standard (M4–M24, maximum length 200mm). Materials: carbon steel (compliant with ISO-898 and SAE J-429 standards), alloy steel, copper, aluminum alloy, and stainless steel (A2-50, A2-70, etc.). 3. Surface treatments include electro-galvanizing (trivalent chromium, hexavalent chromium), alloy plating (zinc-iron alloy, zinc-nickel alloy), painting (GEOMET, MAGNI, DELTA-TONE, etc.), electroplating of tin/nickel/copper, zinc phosphate, hot-dip galvanizing, and mechanical galvanizing. 4. The anti-loosening design covers chassis components, nuts, sleeves, exhaust pipe suspensions, main shaft parts of seat belts, assemblies, and various fasteners including bolts and nuts, carbon steel screws, stainless steel screws, and bimetallic screws.