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.

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.

Our mainly products are bolts, nuts, screws, washers, threaded rods, studs and other special parts according to customers` sample or drawing. The product size range from M3 to M24(3/16'' TO 1'') by cold forming and other size bigger than M24(1'') by hot forging and machining. The products mainly are made of stainless steel, but also can be made of carbon steel, alloy steel, brass, nylon and etc. We produce with class DIN/ISO: A2, A4, 4.8, 8, 8.8, 10. 10.9, 12.9, A194: 8/ 8M / 8MA /6/2H, A193: B8 / B8A/B8M/B7/B6, 410/304/316 and more.

LINHUI perform strict quality control during material comingin, in the process of production to make sure the quality of screws. Linhui have well equipped laboratory to perform testing of core/ case hardness, case depth, torsional strength,drill-drive test, hydrogen embrittlement etc to make sure our screws well meet the standard requirements.

Major Products include: High strength and high precision thread rolling dies, pointed tail and special thread rolling dies, heading dies, etc., with super hardness material such as carbon steel, alloy steel, titanium alloy and stainless steel.

DIN916 series,DIN913 series,DIN914 series,DIN915 series,DIN916K series,BPT glottal catch series,DIN910 series,Slootted set screws series,Hexagon round head screws series,Hexagon flat head screws serise,Nonstandard piece series.

None

Self-tapping screws, self drilling tapping screws, wood screws, drywall screws, wallboard screws, fast teeth screws, furniture screws, gypsum board screws, fiber screws, self-drilling screws, GB screws, BS screws, ANSI screws, lighting screws, electrical screws, motor screws, carriage screws, electronic screws, building screws and non-standard screws.