Maria Santos
COMPANY::Pacific Build Solutions Inc.
Philippines The team was helpful during the quotation stage and gave us practical suggestions for our customized requirement. The products arrived in good condition and met our project needs.
Carbon Steel Hot Dip Galvanized Fasteners
our factory specializes in HDG hot dip galvanized fasteners. ISO 9001 certified, supplying galvanized bolts, nuts, anchor bolts and U-bolts to 50+ countries since 1998.
DIN975 Galvanized Steel Threaded Rod M5-M10, Grade 4.8/6.8/8.8 Full Thread Stud Bar for Construction and Industrial Fastening
DIN975 Galvanized Steel Threaded Rod M5-M10, Grade 4.8/6.8/8.8 Full Thread Stud Bar for Construction and Industrial Fastening
Carbon Steel Wedge Expansion Anchors Zinc Plated Through Bolt Concrete Anchors
Carbon Steel Wedge Expansion Anchors Zinc Plated Through Bolt Concrete Anchors
DIN Standard All Metal Self Locking Hex Nut, Carbon Steel and Stainless Steel, Class 4.8 / 8.8 / 10.9 / 12.9, Zinc Plated
DIN Standard All Metal Self Locking Hex Nut, Carbon Steel and Stainless Steel, Class 4.8 / 8.8 / 10.9 / 12.9, Zinc Plated
DIN25201 Hot Dip Galvanized Double Stack Self Locking Washers
DIN25201 Hot Dip Galvanized Double Stack Self Locking Washers
Hot Dip Galvanized Hex Bolt and Nut, High Strength Steel Fasteners
Hot Dip Galvanized Hex Bolt and Nut, High Strength Steel Fasteners
Grade 12.9 High Strength Black Zinc Plated Extended Hex Bolts DIN 931 / DIN 933
Grade 12.9 High Strength Black Zinc Plated Extended Hex Bolts DIN 931 / DIN 933
+50
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ISO 9001
CERTIFIED QUALITY
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Bolts, Anchors & Custom Parts
+25 Years
EXPERIENCE
Our Catalog
VIEW ALL PRODUCTSHDG Galvanized Fasteners & Industrial Bolts
Complete range of hot dip galvanized fasteners including hex bolts, anchor bolts, U-bolts, carriage bolts and threaded rods. DIN/ANSI/ISO standards.
DIN975 Galvanized Steel Threaded Rod M5-M10, Grade 4.8/6.8/8.8 Full Thread Stud Bar for Construction and Industrial Fastening
DIN975 Galvanized Steel Threaded Rod M5-M10, Grade 4.8/6.8/8.8 Full Thread Stud Bar for Construction and Industrial Fastening
DIN975 galvanized steel threaded rod in M5-M10, grades 4.8/6.8/8.8, for construction, machinery and industrial fastening applications.
Grade:4.8 / 6.8 / 8.8
Material:Steel
Standard:DIN
Carbon Steel Wedge Expansion Anchors Zinc Plated Through Bolt Concrete Anchors
Carbon Steel Wedge Expansion Anchors Zinc Plated Through Bolt Concrete Anchors
Carbon steel wedge expansion anchors are heavy-duty mechanical anchors designed for secure fastening into solid concrete. The anchor is installed through a fixture and into a pre-drilled concrete hole, then tightened so the wedge clip expands and locks against the concrete, creating a firm and stable connection.
Grade:4.8/6.8/8.8
Material:Carbon steel
Standard:DIN
DIN Standard All Metal Self Locking Hex Nut, Carbon Steel and Stainless Steel, Class 4.8 / 8.8 / 10.9 / 12.9, Zinc Plated
DIN Standard All Metal Self Locking Hex Nut, Carbon Steel and Stainless Steel, Class 4.8 / 8.8 / 10.9 / 12.9, Zinc Plated
Hotop Fasteners supplies DIN standard all metal self locking hex nuts designed for secure fastening in vibration-prone industrial assemblies. This lock nut uses an all-metal locking structure to create prevailing torque on the thread, helping reduce loosening during operation and improving fastening stability in demanding applications.
Grade:Class 4.8 / 8.8 / 10.9 / 12.9
Material:Carbon steel, stainless steel
Standard:DIN
DIN25201 Hot Dip Galvanized Double Stack Self Locking Washers
DIN25201 Hot Dip Galvanized Double Stack Self Locking Washers
DIN25201 hot dip galvanized steel double stack self locking wedge washers for heavy-duty bolts, machinery, steel structures, construction, railway, equipment assembly, and vibration-resistant fastening.
Grade:DIN25201
Material:Steel
Standard:DIN25201
Hot Dip Galvanized Hex Bolt and Nut, High Strength Steel Fasteners
Hot Dip Galvanized Hex Bolt and Nut, High Strength Steel Fasteners
Hotop Fasteners supplies hot dip galvanized hex bolts and nuts for industrial assembly, construction, equipment installation, power projects, and general mechanical fastening. This product is suitable for buyers who need dependable fastening performance, corrosion-resistant surface protection, and flexible supply options for bulk purchasing or project use.
Grade:4.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:DIN ANSI JIS BS ISO GB,Nonstandard
Grade 12.9 High Strength Black Zinc Plated Extended Hex Bolts DIN 931 / DIN 933
Grade 12.9 High Strength Black Zinc Plated Extended Hex Bolts DIN 931 / DIN 933
Hotop Fasteners supplies high strength DIN 931 / DIN 933 extended hex bolts for industrial machinery, structural assembly, equipment installation, construction projects, and heavy-duty fastening applications. Designed for buyers who require strong mechanical performance and reliable fastening security, these bolts feature a hexagonal head for convenient tightening with standard wrenches and sockets. The black zinc plated appearance provides a professional finish for industrial and engineering applications.
Grade:Grade 10.9 / Grade 12.9
Material:Steel / Stainless Steel
Standard:DIN 931 / DIN 933
Need custom specifications? Contact our engineering team for technical guidance.
Quality Assurance
ISO 9001 Certified HDG Fastener Manufacturing
Advanced hot-dip galvanizing lines and cold-forging facilities ensuring superior corrosion resistance and dimensional precision.
100%
Inspection Rate
Our Capabilities
25+ Years of Fastener & Galvanizing Expertise
our factory is a leading manufacturer of HDG hot dip galvanized fasteners. With over 25 years of experience, we specialize in galvanized bolts, anchor bolts, U-bolts and custom fasteners for global infrastructure projects.
HDG Zinc Coating Expertise
Consistent hot-dip galvanizing per ISO 1461 with 45-85 micron zinc coating for maximum corrosion protection in marine, industrial and outdoor environments.
Precision Manufacturing
CNC machining and cold-forging lines producing DIN/ANSI/ISO fasteners with 100% inspection rate. Full material test certificates per EN 10204 3.1.
Global Clients
Trusted by HDG Fastener Buyers Worldwide
International buyers rely on our hot dip galvanized fasteners for critical infrastructure and industrial projects.
Rafael Oliveira
COMPANY::Oliveira Componentes Industriais Ltda.
Brazil The bulk order was consistent with the approved sample. We were satisfied with the product finishing, packaging, and the supplier's attention to our order details.
Joseph Mwangi
COMPANY::Eastline Industrial Solutions Ltd.
Kenya The quality was stable, and the delivery schedule was handled professionally. We appreciated that they provided updates without us having to follow up repeatedly.
Chinedu Okafor
COMPANY::Lagos Industrial Procurement Ltd.
Nigeria We were pleased with the sample and decided to proceed with a larger order. The products were delivered in good condition and were consistent with the specifications we confirmed.
Lim Wei Jian
COMPANY::Meridian Engineering Supplies Sdn. Bhd.
Malaysia Their communication was professional and efficient. They understood our specifications well and delivered the order according to the confirmed requirements.
Maria Santos
COMPANY::Pacific Build Solutions Inc.
Philippines The team was helpful during the quotation stage and gave us practical suggestions for our customized requirement. The products arrived in good condition and met our project needs.
Rafael Oliveira
COMPANY::Oliveira Componentes Industriais Ltda.
Brazil The bulk order was consistent with the approved sample. We were satisfied with the product finishing, packaging, and the supplier's attention to our order details.
Joseph Mwangi
COMPANY::Eastline Industrial Solutions Ltd.
Kenya The quality was stable, and the delivery schedule was handled professionally. We appreciated that they provided updates without us having to follow up repeatedly.
Chinedu Okafor
COMPANY::Lagos Industrial Procurement Ltd.
Nigeria We were pleased with the sample and decided to proceed with a larger order. The products were delivered in good condition and were consistent with the specifications we confirmed.
Lim Wei Jian
COMPANY::Meridian Engineering Supplies Sdn. Bhd.
Malaysia Their communication was professional and efficient. They understood our specifications well and delivered the order according to the confirmed requirements.
Maria Santos
COMPANY::Pacific Build Solutions Inc.
Philippines The team was helpful during the quotation stage and gave us practical suggestions for our customized requirement. The products arrived in good condition and met our project needs.
Rafael Oliveira
COMPANY::Oliveira Componentes Industriais Ltda.
Brazil The bulk order was consistent with the approved sample. We were satisfied with the product finishing, packaging, and the supplier's attention to our order details.
Joseph Mwangi
COMPANY::Eastline Industrial Solutions Ltd.
Kenya The quality was stable, and the delivery schedule was handled professionally. We appreciated that they provided updates without us having to follow up repeatedly.
Chinedu Okafor
COMPANY::Lagos Industrial Procurement Ltd.
Nigeria We were pleased with the sample and decided to proceed with a larger order. The products were delivered in good condition and were consistent with the specifications we confirmed.
Lim Wei Jian
COMPANY::Meridian Engineering Supplies Sdn. Bhd.
Malaysia Their communication was professional and efficient. They understood our specifications well and delivered the order according to the confirmed requirements.
Maria Santos
COMPANY::Pacific Build Solutions Inc.
Philippines The team was helpful during the quotation stage and gave us practical suggestions for our customized requirement. The products arrived in good condition and met our project needs.
Rafael Oliveira
COMPANY::Oliveira Componentes Industriais Ltda.
Brazil The bulk order was consistent with the approved sample. We were satisfied with the product finishing, packaging, and the supplier's attention to our order details.
Joseph Mwangi
COMPANY::Eastline Industrial Solutions Ltd.
Kenya The quality was stable, and the delivery schedule was handled professionally. We appreciated that they provided updates without us having to follow up repeatedly.
Chinedu Okafor
COMPANY::Lagos Industrial Procurement Ltd.
Nigeria We were pleased with the sample and decided to proceed with a larger order. The products were delivered in good condition and were consistent with the specifications we confirmed.
Lim Wei Jian
COMPANY::Meridian Engineering Supplies Sdn. Bhd.
Malaysia Their communication was professional and efficient. They understood our specifications well and delivered the order according to the confirmed requirements.
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HDG Knowledge Base
HDG Hot Dip Galvanizing FAQ
Technical answers about hot dip galvanized fastener specifications, standards and procurement.
Industrial fasteners are precision-engineered mechanical components — including bolts, screws, nuts, washers, anchors, and rivets — used to join or secure materials in construction, automotive, aerospace, and heavy machinery. They are manufactured to international standards such as DIN, ANSI, ISO, and JIS, and are available in carbon steel, stainless steel, alloy steel, and brass with various surface finishes.
Need Technical Assistance?
Our engineering team provides quick quality validation and material specification consulting for your specific project.
Get a detailed manufacturing timeline and bulk pricing within 24 hours.
Phone Support: +86 15632029222
Email Support: [email protected]
Industry Insights
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Latest developments in hot dip galvanizing technology and fastener industry trends.
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