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

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

Our major products,bolts and screw caps that match the standards of China,Germany,US,Britain.Australia,Japan,etc The factory has a more than 20 year’s history of speciality production of all kinds of high strength bolts,standard components and nonstandard bolts.

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.

There are five major series of our products: 1. High strength bolts with large hexagon head for steel structures (GB/T 1228-1231) 2. Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures (GB/T 3632-3633) 3. High strength bolts with hexagon head and flange torque type for steel structures (QBC 1011-1014) 4. Cheese head studs for arc stud welding (GB/T 10433) 5. Big specifications of wheel nuts, nuts with washer face and nuts sets The products carried out the standard like USA (ANSI/ASME ), Germany(DIN), Japan(JIS), Britain(BS), Australia(AS) and International Standard (ISO)etc, for example: 1. USA Standard high strength bolts with large hexagon head for steel structures (ASTM A325 A490 A325M A490M) 2. USA Standard Sets of torshear type high strength bolt hexagon nut and plain washer for steel structures (ASTM E 1852) 3. Germany Standard high strength bolts for steel structures (DIN 6914-6916) 4. Japanese Industrial Standards high strength hexagon head bolts (JIS B 1186) 5. Japanese Industrial Standards high strength torque type bolts (JSS II-09) 6. British Standard high strength joints bolting (BS 4395) 7. Australia Standard high strength bolting (AS 1252) 8. USA Standard welding stud bolts (ANSI/AWSD 1.1) 9. USA Standard stainless steel welding stud bolts (ANSI/AWSD 1.6) 10. Japanese Industrial Standards Cheese head studs for arc stud welding (JISB 1198) In the same way, the company also produces according to customer's requirement like standard or special big diameter and big length high strength bolts, hexagon nuts, foundation bolts, double thread ends studs, thread rods, rail tie-in bolts and welding bolts, studs, pins, riveted fasteners which supply for vessels or boilers industry line. In addition, we can satisfy the requirement for the surface finish, for example: phosphated, hot dip galvanized, mechanical galvanized, sherardizing, dacromet and Teflon, etc. Among above-mentioned products, torshear high strength hexagon head with flange bolts, nuts and plain washers was our company’s patented products. They not only have the advantages of convenient handling, easy visual inspection, and high efficiency during construction but also convenient dismounting, and can use torque method to recheck if the bolts have been well fastened. These features have solved the problem of difficult fastening at the corner of the steel structure and prevented the potential risk of head broken caused by the indentation on the head shank of the washer.

SEM screws, high strength bolts, hex socket bolts and nuts, self-tapping screws, washers and lock rings,circlips. Grades are 4.8, 8.8, 10.9 and 12.9. The material is stainless steel A2-70, A4-80.

hot-forged fasteners with full specifications and various kinds, especially non-standard fasteners, like special bolts, steel nail ，extra-long and extra-large fasteners, rivet weld, hardware, stamping and machining parts, high strength bolts, hex bolts, hex socket head cap screws, foundation bolts, stud bolts, U bolts, bolts for electric power steel tower, bolts for petrochemical industry, etc.

all kinds of self-drilling screw, self-tapping screw, high strength bolt & nut for wire frame, high strength stud bolts, all kinds of stainless steel products and various non-standard products