Construction, railway, wind power and mechanical manufacturing projects all need large quantities of standard fasteners, and stable Hexagonal Bolt Wholesale suppliers directly affect project progress and safety. DONGSHAO (Hebei Dongshao Fastener Manufacturing Co., Ltd.) is a professional fastener factory with decades of production experience, supplying full-thread and half-thread hexagonal bolts in carbon steel and stainless steel grades.
Hexagonal Bolt Wholesale refers to bulk procurement of hex head fasteners for engineering and manufacturing mass demand. Hex bolt (external hex bolt) is the most universal connecting fastener, matched with nuts, flat washers and spring washers for stable assembly. DONGSHAO specializes in Hexagonal Bolt Wholesale, supporting standard stock supply and customized drawing production. Our products follow DIN933, DIN931, ISO4014, ISO4017 international standards, covering carbon steel high-strength series and 304/316 stainless steel series, with multiple surface anti-corrosion treatments to adapt harsh outdoor and industrial environments. Founded in the 1980s, DONGSHAO integrates forging, heat treatment and surface treatment workshops to realize one-stop fastener production.
| Classification Item | Standard Specifications |
| Thread Type | Full Thread: DIN933 / ISO4017 Partial Thread: DIN931 / ISO4014 |
| Carbon Steel Strength Grade | 4.8 / 8.8 / 10.9 High Strength |
| Stainless Steel Grade | A2-70 (304), A4-80 (316) |
| Optional Surface Treatment | Electro-galvanized, Black Oxide, Hot-dip Galvanized |
| Supporting Matching Parts | Hex Nut, Flat Washer, Spring Washer |
| Custom Service | Custom diameter, length, special non-standard bolts per drawings |
| Bulk Supply Mode | Hexagonal Bolt Wholesale spot stock & bulk customized production |
Comply with international DIN & ISO standards, all sizes in stock to meet one-stop wholesale purchasing without multiple suppliers.
Carbon steel for general engineering; 304/316 stainless steel for damp, corrosive marine and chemical environments; hot-dip galvanized for outdoor infrastructure.
Independent heat treatment workshop controls hardness and tensile strength, avoid fracture and loosening under long-term load.
Besides standard hex bolts, produce special odd-shaped fasteners, wind power and railway exclusive bolts per customer drawings or samples.
10,000 ㎡ plant with full cold heading, hot stamping equipment, sufficient inventory to deliver large engineering orders quickly.
Uniform surface treatment effectively resist oxidation and rust, suitable long-term use in bridges, wind farms and mining sites.
DONGSHAO Hexagonal Bolt Wholesale products are widely used in global industries:
• Infrastructure: Bridges, highway, railway, steel structure buildings, nuclear power, wind power projects
• Machinery Manufacturing: Automobile equipment, mining machinery, pipeline assembly
• New Energy: Photovoltaic solar brackets, wind turbine fixing components
• Construction Decoration: Building frame, curtain wall, embedded parts connection
• Shipping & Metallurgy: Ship equipment, metallurgical workshop equipment assembly
• Municipal Engineering: Road guardrail, tunnel, pipeline fixing projects
Hebei Dongshao Fastener Manufacturing Co., Ltd. was established in the 1980s, a high-tech fastener group enterprise:
1. Factory Scale: 10,000 ㎡ production plant, over 100 staff including more than 20 professional engineering technicians
2. Production Equipment: Cold heading machines, hot stamping equipment, high-speed nut forming machines, CNC lathes, independent heat treatment & metal surface treatment workshops
3. Enterprise Honors: Hebei 315 Excellent Credit Demonstration Unit for many consecutive years
4. Product Range: Hex bolts, high-strength structural bolts, anchor bolts, wind power fasteners, stainless steel series, expansion anchors, washers and nuts
5. Cooperative Clients: China Railway 14th Bureau, CFHI Tianjin Heavy Industry, Fujian Hongguan, Xinbang Construction, Sinohydro and other large engineering groups
6. Global Market: Domestic full coverage, exported to Southeast Asia, Europe, North America, South America and Africa
1. Professional technical team match bolt grade, material and surface treatment per project environment
2. Provide complete standard parameter sheets and material test reports for bidding
3. Support small sample testing before large Hexagonal Bolt Wholesale orders
4. Custom solution design for non-standard special fasteners
1. Real-time order production progress feedback via photos and videos
2. Flexible logistics, sea/land transport arrangement for overseas wholesale clients
3. Strict finished product inspection before shipment to control mechanical performance
4. Stable stock for fast delivery of conventional hex bolt wholesale orders
1. Professional technical guidance for on-site bolt installation
2. Timely respond to quality feedback and provide replacement solution for defective batches
3. Long-term stable supply contract support for long-term engineering partners
4. 24-hour online inquiry reply, quotation feedback within one working day
Q1 What standards do DONGSHAO wholesale hexagonal bolts follow?
Our full thread hex bolts adopt DIN933 / ISO4017; partial thread adopt DIN931 / ISO4014, fully matching international engineering standards.
Q2 Can I get hot-dip galvanized hexagonal bolts for outdoor bridge projects?
Yes, we provide electro-galvanized, black oxide and hot-dip galvanized surface treatment options for anti-rust outdoor usage.
Q3 Does DONGSHAO accept small trial wholesale orders?
We support both large project bulk Hexagonal Bolt Wholesale and small trial sample orders with flexible MOQ.
Q4 Can you produce non-standard size hex bolts per customer drawings?
Yes, our technical workshop develops special odd & irregular fasteners according to drawings or physical samples.
Q5 What strength grades of carbon steel hex bolts are available for wholesale?
We supply Class 4.8, 8.8, 10.9 high-strength carbon steel hexagonal bolts for different load requirements.
Q6 Which countries do your hexagonal bolt wholesale products export to?
Products sell well in Southeast Asia, Europe, North America, South America, Africa and other overseas regions.
High-quality Hexagonal Bolt Wholesale is the basic guarantee for safe construction and mechanical assembly. DONGSHAO relies on decades of fastener manufacturing experience, complete production lines and strict performance inspection system to supply standard and customized hexagonal bolts for global engineering companies, machinery manufacturers and fastener distributors. Whether you need spot wholesale standard fasteners or customized special bolts for wind power, railway and steel structure projects, we can provide accurate quotations, complete test documents and stable delivery schedules. If you want to know more about bolt material matching, bulk wholesale prices and delivery cycles, please feel free to contact us. Our professional fastener sales team will provide targeted hexagonal bolt supply solutions for your projects.