What does Handan Rengong Fastener Manufacturing Co., Ltd manufacture?

Handan Rengong manufactures bolts, nuts, screws, washers, anchors, threaded rods, studs, custom metal parts, and non-standard fasteners for global industrial buyers.

Does Rengong supply custom or non-standard fasteners?

Yes. Rengong supports made-to-drawing fasteners, sample customization, OEM and ODM production, private-label packaging, and factory-coordinated quality control.

What materials and grades are available?

Available options include carbon steel, alloy steel, stainless steel, Q235, 35K, 45#, 40Cr, 35CrMo, 42CrMo, 304, 316, and strength grades 4.8, 8.8, 10.9, and 12.9.

What surface treatments can be supplied?

Surface treatments include zinc plating, hot-dip galvanizing, black oxide, phosphating, nickel plating, Dacromet, Geomet, passivation, polishing, plain finish, and custom coatings.

Products-Handan Rengong Fastener Manufacturing Co., Ltd

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Custom Non-Standard Fasteners Made to Your Drawing

Category: Product

Custom Materials | Grades 4.8-12.9 | Special Coatings | Samples Available | Export Worldwide

Factory-direct custom bolts, nuts, screws, washers, studs and metal parts manufactured according to your drawings, samples, materials and coating requirements. We support fast quotation, sample customization, flexible production, full-process quality control, and 24-hour WhatsApp consultation for urgent projects.

Email us: admin@rg-fasteners.com 24h online: +86 151 8888 1444

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About Us

Handan Rengong Fastener Manufacturing Co., Ltd is committed to providing reliable fastening solutions and factory-direct custom fastener production. Most production, packing, quality control, and shipment coordination are completed in our factory, while special processes are handled by trusted partner factories under our supervision.

Handan Rengong factory exterior and steel wire rod material area

Custom fastener carton packing and labels

Certificate

Handan Rengong quality certificate display

Production Process

Fastener production process and manufacturing workflow

Exhibition / Partner Photos

Handan Rengong exhibition and partner photos

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Handan Rengong Fastener Manufacturing Co., Ltd
Add: South of Ximingyang Village, Linmingguan Town, Yongnian District, Handan City, Hebei Province, China
Tel / WhatsApp: +86 151 8888 1444
Email: admin@rg-fasteners.com

Custom Fastener Manufacturing

Services We Can Provide

We manufacture non-standard fasteners and metal components according to drawings, samples, application requirements, strength grades, surface treatments, packaging standards, and delivery schedules.

Custom Production

Non-standard bolts, nuts, screws, washers, anchors, pins, studs, U-bolts, and special threaded parts.
Cold heading, hot forging, CNC turning, drilling, tapping, rolling thread, stamping, welding, and assembly.
Drawing review, sample development, mold/tooling support, batch production, and OEM/ODM supply.

Carbon Steel Materials

Common low carbon steel: Q195, Q215, Q235, Q345/Q355, SAE 1006, SAE 1008, SAE 1010, SAE 1018, C15, C20.
Medium carbon and boron steel: 35#, 45#, 10B21, 20MnTiB, 35K, 45K.
Alloy steel for high strength parts: 40Cr, 35CrMo, 42CrMo, SCM435, 4140, 5140.

Strength & Hardness Options

Available performance classes: 4.8, 8.8, 10.9, and 12.9.
Heat treatment, tempering, hardness control, tensile testing, torque testing, and salt spray testing can be arranged.
Production can follow DIN, ISO, ANSI/ASME, ASTM, BS, JIS, GB, or customer drawings.

Surface Treatment & Coating Thickness

Electro zinc plating: clear/blue white, white, yellow, black, olive drab; typical zinc layer 5-25 um.

Hot dip galvanizing: heavy-duty outdoor corrosion protection; typical zinc layer 45-100 um.

Zinc nickel plating: high corrosion resistance; typical coating 8-15 um.

Zinc flake: Dacromet, Geomet, Magni type coatings; typical coating 5-20 um.

Mechanical galvanizing: hydrogen embrittlement risk reduction; typical coating 8-30 um.

Other finishes: plain oiled, black oxide, phosphating, nickel plating, chrome plating, copper plating, brass plating, passivation, PTFE, electrophoresis, powder coating, and custom anti-rust oil.

Why Choose Us

Rengong Advantages

Located in Yongnian, Handan, one of China's major fastener production clusters, we combine mature supply chains with flexible manufacturing and export-ready packaging.

Location advantage: close to steel resources, fastener factories, surface treatment plants, packaging suppliers, and logistics routes.
Industrial cluster advantage: faster sourcing of raw material, tooling, heat treatment, plating, testing, cartons, pallets, and export accessories.
Labor cost advantage: experienced local fastener workers help control production cost while keeping stable quality.
Factory-direct supply: competitive pricing; raw materials are sourced directly from steel mills; most processing, production, packing, and shipment are completed in our factory. For special or limited processes, trusted partner factories assist under our full quality supervision.
Lead time advantage: fast sample development, quick tooling coordination, and multiple local processing partners for urgent orders.
Private label packaging: logo labels, neutral cartons, customized bags, barcode labels, pallet packing, and buyer-specified shipping marks.
Quality support: dimensional inspection, thread gauge checks, hardness checks, tensile reports, coating thickness checks, and salt spray reports when required.
Export support: mixed container orders, product consolidation, photos before shipment, packing lists, certificates, and responsive communication.