Haiyan Hongrun Fastener Co., Ltd is a professional manufacture of producing 4.8, 8.8, 10.9 and 12.9 of the hexagonal flange bolt (including Prevent slippery tooth flange screws, wheel hub screw and Seat belt screw), high strength auto distribution fasteners and other kinds of non-standard special items.
various kinds of Guardrail bolts for freeways and railways, Carriage bolts and Hex bolts, Hex coach screw, Flange bolts, Nuts, etc, that conform with the ISO, ANSI, ASME, DIN, BSW, JIS, GB. We also customize various special-shaped parts according to the customer's requirements and specifications.
We can produce fasteners of full types and specifications, the standards include DIN, ANSI, JIS, BSI and so on.
The main products: hex nuts,square nut,hex head bolt,carriage bolt,roofing screws,plain washers,spring washers,machine screws,self-tapping screws
bolts, nuts, hardened washers, Spring Lockwashers, self drilling screws, tapping screw, brass wood screw, brass machine screw
chipboard screws fasteners for Automobile hex head bolt hex socket screw hex nuts HEXAGON HEAD BOLTS HEXAGO SOCKET CAP HEAD SCREWS HEXAGON NUTS HEXAGON HEAD BOLT DIN933/931/558/601/912/934/975/ISO4107/4014/4032 GR 4.8-12.9 HEXAGON HEAD BOLTS HEXAGON NUTS CUP HEAD SQUARE NECK BOLTS MACHINE SCREWS NON-STANDARD BOLTS AND SCREWS THREADED RODS CHIPBOARD SCREWS CAP HEAD NIB BOLTS COLOUR PLASTIC ELASTIC EXPANSION TUBE AUTOMATICMUL TIPROCESS COLD UPSETTING MACHINE HEXAGON SOCKET BUTTON HEAD SCREWS FORNITURS SCREWS HIGH STRENGTH BOLTS WITH LARGE HEXAGONG HEAD FOR STEEL STRUCTURES SET OF TORSHEAR TYOE HIGH STRENGTH BOLT HEXAGON NUTAND PLAIN WASHER FOR STEEL STRUCTURES HEXAGO SOCKET CAP HEAD SCREWS HEXAGON HEAD BOLT TAPPING SCREWS HEXAGON FLANGE BOLTS DOUBLE AND STUDS SELF-DRILLING TAPPING SCREWS STAINLESS SERIALS AUTOMOBILE FASTENERS
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
High strength standard and non-standard parts for automobiles and motor-cycles, and others.
Especially, wheel bolt,wheel nuts,flange bolts,flange nuts,hex head bolt,screws,self-tapping screws,hex nuts,anchor bolts,special fastener,etc.
Main grade 8.8 and up.
we mainly produce GB5782/GB5783,di n933/din 931, ISO4017/ISO4014, din960/din961, grade4.8, 8.8, 10.9, dia: m6-m42, length: 12mm - 400mm.
hex bolts.Finish: plain, blue zinc, yellow zinc, white zinc, black.
DIN912 knurling socket head screw.
Packing according to the customer's requirement.
L type foundation bolts,T type bolts and nuts,standard fasteners,metro bolts,high strength bolts nuts and washers,expressway guardrail bolts and nuts,concrete bifurcation pillow bolts,non-standard screws,hex sockect cap bolts
Various kinds of bolts, screws, hex nuts, flange nut, plain washers, spring washers, wood screws, thread rods and so on according to DIN, BS, ANSI/ ADSI, NFE, GB and ISO standards.
Materials: carbon steel, stainless steel and copper with brüniert zinc plated, galvanized and nikel plated in the surface.
Products: screws, bolts, nuts, washers, pins, rivets and so on.
Our products are widely used in the areas of energy, electron, wiring, mechanism, chemistry, metallurgy, mould, hydraulic pressure, cars and so on.
We can also manufacture non-standard fasteners according to guests’ inquiries.
Our products have passed the authentication of ISO9001, QS9000 and other international standards.
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.