railway fasteners: screw spikes, track bolts non-standard fasteners: U bolt,square bolts, wheel bolts, special bolts and screws, drive screws standard fasteners: ANSI/ASME B18.5 1990,DIN6914, ANSI/ASME B18.2.1 1996, DIN571,square bolts, hex bolts, wood screws, eye bolts,hex head screws, hex lag screws, round head square neck bolts, hex nuts stamping parts: pipes & hooks, hose clamp, welded stampings, clamps kit punching piece, cooling extrusion of cooling and heating, mechanical processing, non-standard piece, which are consistent with GB, DIN, ANSI and JIS, products of various specifications and max length of 1500mm.

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.

nylon insert lock nuts-DIN985,DIN982,ANSI,BS,GB889,cap nuts one piece type-DIN1587, flange nuts-DIN6923,IFI D-21,JIS B1190,hex nuts-DIN934,weld nuts-JIS B1196,DIN928,DIN929,wing nuts,slotted nuts,T-nuts,tube sets and non-standard fasteners

non-standard fasteners, machine screws, self-tapping screws, insert nuts, rivets, hollow bolts & nuts.

1). Equipment/Machinery 2). Medical & Technological parts 3). The Automotive parts 4). The telecommunication parts 5). The power tool parts 6). Construction parts 7). The agricultural parts 8). Energy related part 9).electronic-products 10).house-hold products

custom-made all kind of non-standard fasterner we professionally supply standard fastener (bolts, nuts, screws, washers, screws, etc) in German standard DIN, China standard GB, Japanese standard JIS, ISO, American standard ANISI, IFI ,AST,ASME ,SAE,BSW ,UNI ,NF and other standard . You will enjoy One-stop service of supply at low price.

Bolts, nuts, machine screws, self-tapping screws, plain washers, spring washers, internal teeth washers, external teeth washers, blind rivets, expansion bolts, U-bolts, rivet nuts and spring straight pins of stainless steel 304, 304L, 316, 316L, 310S and other fasteners; High strength alloy steel products of grade 12.9: socket hex bolts, hex bolts, set screws and stopper bolts; Riveting products: self-clinching nuts, self-clinching studs, self-clinching screws, faceplate screw; Products to repair of the screw thread: wire thread inserts and installation tools; Special nylon mushroom head screws; Custom-made non-standard fasteners.

stainless steel screws, screws, nuts, self-tapping screws, self-drilling screw, flange bolts,flange nuts, weld screws, wood screw, chipboard screw, non-standard fasteners, stainless steel bar and wire rod, auto fasteners,

Fasteners, fittings, nuts, bolts, other fasteners & fittings, rivet nuts, non-standard nuts, round nuts, bolts, lock rivet nuts, hex rivet nuts We specialize in producing rivet nuts. Standard: Metric, ASME or BS Thread: Coarse or fine thread Material: Carbon steel, stainless steel or copper Surface treatment: Zinc plating, or nickel plating

Gem-Year are producing all kinds of high quality products such as bolts, nuts, screws, drawn wire and other off-standard fasteners, which are according to GB, ANSI, DIN, UNI,JIS and ISO standards with yearly production output of 200,000 metric tons.