1.Bolt:Carriage bolt,Hex bolt, Socket head bolt,Flange bolt； 2.Threaded Rod:Full threaded rod,Stud bolt, Double end stud bolt; 3.Nut:Hex nut,Flange nut,Heavy hex nut,Square nut, Tee nut, Wing nut; 4.Screw:Self-drilling screw,Self-tapping screw, Wooden screw, Machine screw; 5.Washer:Flat washer, Spring washer, Square washer, Lock washer; 6.Machining part:Castings,Forgings,Turning,Milling,Stamping Die Casting Parts； 7.Customized products based on drawings.

Self drilling screw Stainless Steel screw Self tapping screw Wood screw Chipboard screw Drywall screw Machine screw Thread forming screw Bolt Rivet

Our fastener factory specializes in manufacturing a comprehensive range of high - quality fasteners. Our product portfolio includes various types of bolts, such as hex bolts, carriage bolts, and anchor bolts, which are widely used in construction, machinery, and automotive industries. We also offer a wide selection of nuts, including hex nuts, lock nuts, and wing nuts, ensuring secure fastening in different applications. In addition, our inventory features an array of screws, like self - tapping screws, machine screws, and wood screws, suitable for different materials and assembly requirements. Complemented by washers, rivets, and other fastener accessories, our products meet international standards and are known for their excellent durability and performance. Whether you need fasteners for large - scale industrial projects or small - scale DIY tasks, we have the right solution for you.

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

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.

self-drilling screws, tapping screw, drywall screws, chipboard screws, furniture screw and construction screws, etc.

Shandong Qufu Dongfang Engineering Limited company is the national Ministry of Construction approved set of truss, steel structure, curtain wall, pipe truss design, processing and installation in one of the large-scale steel enterprises, can provide steel structure, grid, curtain wall, pipe truss construction engineering design qualification B grade two. The company has a complete network frame automation production line, net frame, steel structure, pipe truss annual output of more than 3 million tons. The company's main bolt ball grid, welding ball rack, stainless steel rack, gas station, stadium awning grid grid, grid, grid charging station workshop, coal storage, cement plant, solar grid support grid design and processing of various types of network engineering production, installation, sales and R & D. Shandong Qufu Dongfang Engineering Co., Ltd. is a member unit of China Space Structure Association and member unit of China Building Metal Association. All products are certified by ISO9001 international standard quality management system. The company has more than 300 employees, including 160 engineers and technicians who are engaged in designing and processing steel structures, curtain walls and pipe trusses, and the factory area is about 30 thousand square meters. Our company has international advanced level of grid design system, intersecting truss design software and other design software, and grid, light steel structure, steel pipe intersecting pipe blanking, bending and welding all achieve automation or semi-automatic. The technological superiority and management advantage of Shandong Qufu Dongfang Engineering Co., Ltd. is reflected in the advanced equipment, high technology specification, high precision and high quality of the construction team. A scientific and complete quality assurance system is built to ensure the quality of steel structure and grid. Because of its deep management foundation, advanced equipment and technology, Dongfang grid company was awarded the Shandong construction engineering quality integrity AAA grade excellent construction enterprise in 2014 by Shandong quality integrity business supervision and Management Association. In recent years, Shandong Qufu Oriental Engineering Limited company to rely on scientific and technological progress and innovation, not only become a brilliant domestic grid and steel structure building industry star, and the company continue to explore overseas markets, network products are exported overseas, and gradually formed a pattern of development in China and abroad and diversified, and constantly introduce foreign advanced production technology and management innovation, in order to better undertake large-scale spatial structure engineering at home and abroad has laid a solid foundation. At present, Shandong Qufu Dongfang Engineering Co., Ltd. is strengthening business management and innovating constantly, and striving to create a domestic steel enterprise with innovative ability and full energy, and continuously provide quality and professional services for the vast number of new and old customers. Main business projects: 1. undertake various professional network engineering and bar grid processing (such as: plant grid, coal storage, gas station grid, grid, grid roof wall lighting grid, grid, grid stadium Gymnasium) 2. supply of all kinds of high quality net rack fittings (rod, bolt ball, welding ball, high strength bolt, nut, sealing plate, cone head, etc.). 3. light steel structure, steel structure design, manufacture and installation. 4. bolt ball net frame, welding ball net frame, stainless steel net frame, whole process design, manufacture and installation service. 5. truss steel structure surface treatment: shot blasting, sand blasting, spray, spray, spray zinc aluminum and other anti-corrosion construction technology. 6., construction of single and multi-layer heavy-duty steel structures, steel trusses, grid works and spherical shell grids at home and abroad, including industrial plants, exhibition halls, supermarkets, gymnasiums, airport terminals, storehouses, stations and toll stations. 7. design and install service for all kinds of glass curtain wall, aluminum sheet curtain wall and ceramic panel curtain wall. 8. professional design and installation of various kinds of antique steel structure engineering, the construction experience is rich, all kinds of antique steel structural members are fine and graceful. The company has many years of foreign steel structure, grid, curtain wall engineering construction experience for American Standard, marking and other construction drawings understanding in place, processing, on-site construction can be fully in accordance with the requirements of foreign supervision company. According to the customer's request, we can quickly organize the construction staff to go to the overseas construction site! It is a great pleasure to have friends from afar! Eastern engineers invite friends from all walks of life to come to Qufu for sightseeing and go to our company to guide and negotiate business. Contact: Bruce Jordan manager contact phone: 0537-4419445 13176194948 15666244483

all kinds of rivet nuts, cylinder, hexagon, open end, close end, carbon steel, stainless steel, brass ,etc. used in Automobile,Railway,elevator,Furniture,Construction

Size:M1-M120