As a professional nuts, bolts, and washers manufacturer and exporter based in China, JLHY serves B2B buyers worldwide from construction companies and hardware distributors to machinery manufacturers and logistics firms. Every order is backed by strict quality control, flexible OEM/ODM capabilities, and a transparent export process. Whether you need standard hex bolts for pallet assembly or custom washers engineered to your specifications, JLHY has the production capacity and technical expertise to deliver.

Our Nuts, Bolts & Washers Product Range

JLHY maintains a comprehensive inventory of industrial fasteners across all major standards and custom configurations.

Hex Bolts & Nuts

• Hex Bolts (Grade 4.8 / 8.8 / 10.9 / 12.9)

• Hex Nuts (Grade 4 / 8 / 10)

• Flange Bolts & Flange Nuts

• Carriage Bolts

• Eye Bolts & Eye Nuts

Washers

• Flat Washers (USS / SAE / DIN 125 / DIN 126)

• Spring Lock Washers (Split Washers)

• Square Washers

• Hardened Washers

• Custom-shaped Washers
  
  

All products are available in a wide range of materials: carbon steel, stainless steel (304 / 316), alloy steel, brass, and aluminum. To meet the demands of different environments, JLHY offers multiple surface treatment options: Zinc Plating (Clear / Yellow / Black), Hot-Dip Galvanizing, Dacromet / Geomet, Phosphate Coating, Black Oxide, Nickel Plating, etc.

Corrosion resistance is critical for outdoor, marine, and industrial applications. JLHY works with buyers to select the right finish based on their end-use environment and market standards (ASTM, DIN, ISO, JIS).

JLHY's strength lies not just in stocked inventory, but in custom fastener manufacturing. The company's in-house production facilities can handle:

• Custom thread specifications: non-standard diameters, pitches, and tolerances

• Custom lengths: for specialized construction or machinery applications

• Custom materials: specialty alloys, stainless grades, and corrosion-resistant formulations

• Custom packaging: retail-ready blister packs, labeled boxes, or bulk packaging with buyer branding
  
  

B2B buyers benefit from JLHY's flexible lot sizes, from small prototype runs to container-scale orders. The company has established export processes for North America, Europe, Southeast Asia, the Middle East, and Africa.

JLHY operates under a rigorous multi-stage inspection system from incoming material inspection, In-process quality checks to final delivery QC. Test reports, certificates of conformance (CoC), and material certifications (mill test reports) are available for you order.

FAQ

Q: Can JLHY produce nuts, bolts, and washers to non-standard specifications? 

A: Yes. JLHY offers custom manufacturing for non-standard dimensions, materials, thread types, and surface finishes. Share your technical drawings or samples, and our engineering team will provide a production plan and quote.

Q: What grades of steel are available? 

A: Common options include carbon steel (Grade 4.8–12.9), stainless steel (304 / 316), alloy steel, brass, and aluminum. Specific grades can be confirmed based on your application requirements.

Q: Can JLHY handle large B2B orders? 

A: Absolutely. JLHY has the production capacity to fulfill container-scale orders with consistent quality. We work with distributors, hardware chains, and industrial procurement organizations globally.

Q: Does JLHY provide samples before bulk orders? 

A: Yes. Sample orders are available for most standard products. Custom products can have samples produced based on buyer specifications.

Q: What surface finishes do you recommend for outdoor or marine use? 

A: For outdoor and marine environments, we typically recommend hot-dip galvanizing, 316 stainless steel, or Dacromet coating. JLHY's technical team can advise based on your specific installation environment and corrosion exposure.

Get a Quote

JLHY welcomes B2B inquiries from distributors, procurement teams, and industrial buyers worldwide. To discuss your nuts, bolts, and washers requirements, contact the JLHY team directly: sales@jlhy.cn