Our product range includes stainless steel hex head cap screws, hex socket head cap screws, anchor bolts, threaded rods, wire rods, self tapping screws, thread forming screws, expansion bolts, square neck bolts threaded rods, punch products, etc. Product specifications comply with international standards, including GB, JIS, DIN, ANSI and ASME
2)hex socket cap screws
4)self tapping screws, thead forming screws
6) rivet nut
Product specifications comply with international standards, including GB, JIS, DIN, ANSI and ASME.
And we also can manufacture non-standard parts according to your drawings.
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.
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.
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.
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.
all kinds of hex socket head bolts, hex bolts, carriage bolts, double end studs, anchor bolts, U bolt, T bolt, track bolts, flange bolts, guardrail bolts, threaded steel bolts and a variety of high strength non-standard fasteners, various specifications of standard and non-standard nuts, washers and studs. Grade range: Grade 4.8 to Grade 12.9.Materials: steel and stainless steel. Surface treatment: zinc plated, black, hot dip galvanizing, plain and so on. DIN931 DIN933
Hex bolt stud rod
1. Series products of internal or external hex bolts, machine quality includes: 4.8, 6.8, 8.8, 10.9, and 12.9
2. Series products of stud bolts, machine quality includes: 4.8, 6.8, 8.8, 10.9, and 12.9
3. Series products of stainless steel internal or external hex bolts, includes: 6.8, 8.8
4. Series products of round ellipse bolts, machine quality includes: 6.8, 8.8
5. All kinds of screw cap, plain cushion, machine screw nail, fiberboard nail and lag bolt. Our company can produce other non-norm parts according to clients’ demands.
flange nuts,self-drilling screws,chipboard screws,lag screws, non-standard bolts,nuts and auto fasteners.
hex bolts,hex nuts,Egg neck bolts
stud bolt carriage bolt track bolt