Products

Explore our fastener catalog built for industrial reliability and project efficiency.

DIN934 Carbon Steel Hex Nuts Grade 8.8 Zinc Plated Metric Hexagon Nuts

DIN934 Carbon Steel Hex Nuts Grade 8.8 Zinc Plated Metric Hexagon Nuts

DIN934 carbon steel hex nuts are standard six-sided metric nuts designed for reliable fastening in machinery, automotive, construction, industrial equipment, and general hardware applications. Manufactured from steel / carbon steel, these hexagon nuts are available in Grade 8.8 Ect and are suitable for strong, stable threaded connections where consistent fit and fastening performance are required.

Grade:8.8 Ect
Material:Steel / carbon steel
Standard:DIN934
ASTM A194 2H Heavy Hex Nuts GR5 Carbon Steel UNC Fastener Nuts

ASTM A194 2H Heavy Hex Nuts GR5 Carbon Steel UNC Fastener Nuts

ASTM A194 2H heavy hex nuts are high-quality industrial fastener nuts designed for demanding bolted connections in machinery, construction, maintenance, heavy industry, and general industrial applications. This product is listed with ASTM A194 2H and GR5 designation, making it suitable for buyers looking for heavy-duty hex nuts and UNC fastener nuts for reliable assembly use.

Grade:ASTM A194 2H, GR5
Material:316 stainless steel, stainless steel, steel,Carbon steel
Standard:DIN / GB / ISO
Carbon Steel Hollow Wall Anchors Galvanized Heavy Duty Drywall Screw Plug Anchors

Carbon Steel Hollow Wall Anchors Galvanized Heavy Duty Drywall Screw Plug Anchors

Carbon steel hollow wall anchors are heavy duty fastening components designed for drywall, hollow walls, gypsum board, panel walls, and light construction fixing applications. These screw plug anchors provide a stable anchoring solution where standard screws alone cannot provide enough holding strength.

Grade:4.8/6.8/8.8
Material:Carbon 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
304 Stainless Steel Expansion Anchor Bolts High Strength Galvanized Mechanical Expansion Screws

304 Stainless Steel Expansion Anchor Bolts High Strength Galvanized Mechanical Expansion Screws

304 stainless steel expansion anchor bolts are mechanical fastening components designed for secure fixing in concrete, masonry, wall structures, machinery installation, automotive repair, and general industrial applications. The expansion structure allows the bolt to grip firmly inside a drilled hole when tightened, helping create a stable and reliable anchoring connection.

Grade:four point eight
Material:304 stainless steel
Standard:ISO
Grade 4.8 Steel Wedge Anchor Bolts M6-M20 Bright Finish Concrete Through Bolts

Grade 4.8 Steel Wedge Anchor Bolts M6-M20 Bright Finish Concrete Through Bolts

Grade 4.8 steel wedge anchor bolts are mechanical expansion fasteners designed for secure fixing in concrete and solid base materials. The anchor is installed through the fixture and into a pre-drilled hole, then tightened so the wedge expansion section grips firmly inside the concrete.

Grade:four point eight
Material:Steel
Standard:ISO
10mm Plain Zinc Fixing Bolts with Box for Construction Hardware Installation

10mm Plain Zinc Fixing Bolts with Box for Construction Hardware Installation

These 10mm fixing bolts are designed for general fastening, construction installation, hardware repair, bracket fixing, and assembly work. The product is supplied with box packaging, making it convenient for storage, retail sale, project use, and distributor supply.

Grade:4.8 8.8 A2-70 A4-80
Material:Stainless steel, steel
Standard:GB
DIN Steel Wedge Expansion Anchor Bolts for Concrete Building and Machinery Installation

DIN Steel Wedge Expansion Anchor Bolts for Concrete Building and Machinery Installation

Hotop Fasteners steel wedge expansion anchor bolts are designed for concrete fastening, building installation, industrial fixing, and machinery assembly. The product is a wedge expansion anchor type fastener, suitable for creating a stable fixing point in concrete, masonry, structural bases, support frames, and equipment foundations.

Grade:4.8 / 6.8 / 8.8
Material:Steel
Standard:DIN
DIN Screw-Type Expansion Anchor Bolt for Concrete Building and Industrial Installation

DIN Screw-Type Expansion Anchor Bolt for Concrete Building and Industrial Installation

Hotop Fasteners screw-type expansion anchor bolts are designed for reliable fastening in concrete, masonry, and industrial installation projects. This product uses a mechanical expansion structure that creates strong holding force after installation, making it suitable for fixing equipment, brackets, support frames, and construction components in solid base materials.

Grade:4.8 / 6.8 / 8.8
Material:Steel
Standard:DIN
Quality Assurance

ISO 9001 Certified HDG Fastener Manufacturing

Advanced hot-dip galvanizing lines and cold-forging facilities ensuring superior corrosion resistance and dimensional precision.

Automated Production Lines

Automated Production Lines

High-capacity cold forging and thread rolling units operating 24/7.

ISO 9001:2015 Certified

ISO 9001:2015 Certified

Strict adherence to international quality management system standards.

Advanced Metrology Lab

Advanced Metrology Lab

Comprehensive testing for dimensions, tensile strength, and hardness.

Global Logistics Hub

Global Logistics Hub

Digital inventory tracking ensuring 99% order accuracy and timely dispatch.

Global Clients

Trusted by HDG Fastener Buyers Worldwide

International buyers rely on our hot dip galvanized fasteners for critical infrastructure and industrial projects.

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.

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.

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