Welcome To Know Our Products,We Can Offer You High Quality Products!
-
ProductsOur factory mainly produces: all kinds of flat washers,Drop in anchor ,and spring washers, anchor bolt , hex nut, hex bolt, sleeve anchor, and thread rod with DIN, BSW, ANSI,MS.
-
About usLearn about Hebei Yongyi Fasteners Manufacturing Co., Ltd., our factory, certificates, production equipment and quality-control capabilities in Yongnian, China.
-
NewsRead YONGYI factory updates, fastener standards, purchasing guides, project references and export supply information.
-
ServiceExplore YONGYI fastener applications, OEM and drawing-based manufacturing, inspection support, packing and export order services.
HOT PRODUCTS
Heavy Duty Hex Bolt for Construction Machinery
Product Introduction Engineering vehicle bolts are heavy-duty fasteners specifically developed for the extreme working conditions of engineering machinery. Manufactured from high-grade alloy steel, they undergo precision forging and multi-stage heat treatment processes, boasting exceptional tensile strength, impact resistance and fatigue resistance. These bolts feature a robust structural design, with a thickened shank and enlarged bearing surface to ensure uniform load distribution and prevent breakage under high torque. The surface can be treated with anti-corrosion and wear-resistant technologies such as hot-dip galvanizing, dacromet coating or ceramic spraying, adapting to harsh operating environments such as high humidity, heavy corrosion and severe abrasion. With strict dimensional accuracy and full compliance with international industry standards, they offer perfect compatibility with various engineering vehicle components. Product Application Primarily used for the assembly and fastening of core components of engineering vehicles, including the connection of excavator boom and bucket, the fixation of loader frame and working device, the installation of crane boom and lifting mechanism, as well as the fastening of bulldozer chassis and track components. They are also widely applied in the maintenance and refitting of mining trucks, road rollers, pavers and other heavy engineering equipment, serving as a critical fastening guarantee for the stable and safe operation of engineering machinery under high-intensity working conditions.
- Commodity name： Heavy-Duty Hex Bolt for Construction Machinery
- Commodity ID： 35
- Product Description
-
Product Introduction
Engineering vehicle bolts are heavy-duty fasteners specifically developed for the extreme working conditions of engineering machinery. Manufactured from high-grade alloy steel, they undergo precision forging and multi-stage heat treatment processes, boasting exceptional tensile strength, impact resistance and fatigue resistance. These bolts feature a robust structural design, with a thickened shank and enlarged bearing surface to ensure uniform load distribution and prevent breakage under high torque. The surface can be treated with anti-corrosion and wear-resistant technologies such as hot-dip galvanizing, dacromet coating or ceramic spraying, adapting to harsh operating environments such as high humidity, heavy corrosion and severe abrasion. With strict dimensional accuracy and full compliance with international industry standards, they offer perfect compatibility with various engineering vehicle components.
Product Application
Primarily used for the assembly and fastening of core components of engineering vehicles, including the connection of excavator boom and bucket, the fixation of loader frame and working device, the installation of crane boom and lifting mechanism, as well as the fastening of bulldozer chassis and track components. They are also widely applied in the maintenance and refitting of mining trucks, road rollers, pavers and other heavy engineering equipment, serving as a critical fastening guarantee for the stable and safe operation of engineering machinery under high-intensity working conditions.
Ordering and Documentation
Confirm the product standard or drawing, thread and dimensions, material or property class, surface finish, quantity, packing and destination before quotation.
Required inspection, material, mechanical-property, coating and packing documents must be listed in the inquiry. Availability, lead time and commercial terms are confirmed for the specific order.
Get Quote
NOTE: Please leave your email, our professional person will contact you asap!
Heavy Duty Hex Bolt for Construction Machinery Specifications
YONGYI supplies Heavy Duty Hex Bolt for Construction Machinery for industrial, OEM and project purchasing. This page identifies the requested product family, standard, material, grade and finish so buyers can compare it with their drawing, bill of materials or technical specification.
Standard designations are common market references. Final dimensions, tolerances, mechanical properties, coating requirements and thread fit are confirmed in the quotation or approved drawing before production.
| Product | Heavy Duty Hex Bolt for Construction Machinery |
|---|---|
| Category | Bolts / Industrial Bolts |
| Referenced Standard | Confirm by drawing or purchase specification |
| Size / Thread | Confirm nominal size, thread and length with the inquiry |
| Material | Material to be confirmed with the order |
| Grade / Property | Mechanical property requirement to be confirmed |
| Surface Finish | Surface finish to be confirmed |
| Packaging | Carton, bag, pallet or project-specific export packing after quantity and unit weight are confirmed. |
Typical Applications
- Steel structures, machinery and industrial equipment assemblies
- OEM production and maintenance fastening requirements
- Project supply with specified grade, coating, packing and documentation
Information Required for an Accurate Quote
- Nominal diameter, thread system, pitch and length where applicable
- Required standard, material and property class or hardness
- Surface finish, coating standard and any thickness or corrosion requirement
- Order quantity, packing method, destination and required supporting documents
Quality and Order Documentation
Depending on the agreed order and available production records, documentation may include an approved drawing, dimensional inspection, material or mechanical-property report, coating report, packing list and shipment photos. Required documents must be stated before quotation.
FAQ
| Can this product be supplied to a drawing? | Drawing-based and sample-based requirements can be reviewed. Feasibility, tolerances, tooling, MOQ and lead time are confirmed after technical review. |
|---|---|
| How should I request an alternative standard? | Send the original specification and identify any acceptable alternative. YONGYI will list confirmed compliance and any technical deviation separately. |
| Can coating and test documents be included? | Yes, when agreed before order. State the coating specification, test scope, inspection party and document format in the inquiry. |
Related products
Welcome To Know Our Products
Get More Product Service Information
Follow us
We provide OEM and drawing-based fastener supply after the technical specification, quantity, packing and delivery requirements are confirmed.
Contact Info
Add：Dongmingyang Industrial Park, Mingguan Town, Yongnian District, Handan City, Hebei Province China
Export salesman:
WhatsApp：+86 18830064300
E-mail: sales@yyfasteners.com
Export salesman:
WhatsApp
+86 18830064300
E-mail:
Copyright © 2026 HEBEI YONGYI FASTENERS MANUFACTURING CO., LTD. | Trade & Legal Information | HTML Sitemap
