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.
Hex Head Bolt
Hex head bolts feature a hexagonal head design for easy installation with a wrench or socket. They provide stable fastening and are widely used in machinery, steel structures, construction projects, automotive applications, and industrial assembly.
M8x40mm M8x45mm DIN933 DIN931 Carbon Steel Hex Bolts Hot Dip Galvanized
These M8-M72 carbon steel hex bolts are available in DIN933 and DIN931 standards, with grade options from 4.8 to 12.9 and finishes including plain, zinc plated, black, and hot dip galvanized. They are suitable for machinery, construction, steel structures, and bulk fastener supply.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:Also 933, 931, too, ASME, GB, JIS, ISO
DIN 933 Hot Dip Galvanized Carbon Steel Hex Bolts Grade 8.8 M12 M14 M16 M18 M20
These DIN 933 hot dip galvanized carbon steel hex bolts are made for strong metric fastening in construction, steel structure, machinery, and industrial assembly. Main sizes include M12, M14, M16, M18, and M20, with grade 8.8 as the key strength option and additional grades available for different project requirements.
Grade:4.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:DIN 933,DIN, ASME, GB, JIS, ISO
HDG Carbon Steel Hex Head Bolts Grade 4.8 8.8 ASTM A193 B7
These HDG carbon steel hex head bolts are designed for industrial fastening, construction hardware, machinery assembly, and bulk bolt-and-nut supply. The product supports grades 4.8, 6.8, 8.8, 10.9, and 12.9, with M8-M36 sizes, 20-200mm lengths, UNC thread type, and hot dip galvanized surface treatment.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:DIN, ASME, GB, JIS, ISO
DIN931 DIN933 M16x100 M16x80 Hot Dip Galvanized Carbon Steel Hex Bolts Grade 8.8
These DIN931 DIN933 hot dip galvanized carbon steel hex bolts are available in M16x100mm and M16x80mm, with grade options including 4.8, 6.8, and 8.8. They are suitable for construction, machinery, steel structure, equipment assembly, and wholesale fastener supply.
Grade:4.8 / 6.8 / 8.8
Material:Carbon Steel
Standard:DIN931、DIN933,DIN,ANSI,ASME,JIS,ISO
DIN933 Zinc Plated Carbon Steel Hex Bolt and Nut Set Grade 10.9 GB Standard Various Lengths
DIN933 zinc plated carbon steel hex bolt and nut set with grade 10.9 main option, available grades 4.8, 6.8, 8.8, 10.9 and 12.9, M3-M72 size range, GB, DIN, ISO, ASME and industrial standard options.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:DIN933,DIN, ASME, GB, ISO
DIN912 Hex Socket Head Cap Bolts Carbon Steel 4.8 8.8 10.9 12.9 Black and Zinc Plated Fasteners
Hotop Fasteners hex socket head cap bolts are designed for machinery assembly, equipment installation, mold fixing, steel structure connection, automotive repair, and general industrial fastening. The product is a hex socket bolt / socket head cap bolt, suitable for applications where a compact head design, clean installation appearance, and reliable tightening performance are required.
Grade:4.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel / Stainless Steel
Standard:DIN，ANSI
DIN912 Black Hex Socket Head Cap Bolts Carbon Steel 4.8 8.8 10.9 12.9 Zinc, Plain and Black Fasteners
Hotop Fasteners hex socket head cap bolts are designed for machinery assembly, equipment installation, mold fixing, automotive repair, and industrial fastening. The internal hex drive structure makes the bolt easy to tighten with an Allen key while keeping the head compact and flush-looking in assembly applications.
Grade:4.8 / 8.8 / 10.9 / 12.9
Material:Steel, Carbon Steel
Standard:DIN, ANSI
DIN912 Hex Socket Head Cap Bolts 10.9 12.9 Carbon Steel and Stainless Steel Allen Bolts
Hotop Fasteners DIN912 hex socket head cap bolts are designed for high-strength fastening in machinery assembly, equipment installation, mold fixing, construction hardware, and industrial maintenance. The internal hex socket drive allows the bolt to be tightened with an Allen key, making it suitable for compact installation spaces where strong clamping force and a clean head profile are required.
Grade:4.8, 6.8, 8.8, 10.9, 12.9
Material:Steel, Carbon Steel, Stainless Steel
Standard:DIN, GB, ISO, JIS, BA, ANSI
DIN 74361 High Strength Wheel Hub Bolts Forged Extended Flange Screws for Automotive Fastening
These DIN 74361 wheel hub bolts are high strength automotive fasteners designed for wheel assembly, hub connection, flange fastening, truck repair, trailer parts, machinery maintenance, and customized vehicle fastening applications. The product can be supplied in steel and stainless steel options, with listed material choices including carbon steel, 40Cr, and 35CrMo. Available strength grades include 4.8, 6.8, 8.8, 10.9, and 12.9, allowing buyers to select the proper mechanical level for different fastening loads and service conditions.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Stainless Steel, Steel
Standard:DIN, DIN933 / DIN931
Quality Assurance
ISO 9001 Certified HDG Fastener Manufacturing
Advanced hot-dip galvanizing lines and cold-forging facilities ensuring superior corrosion resistance and dimensional precision.
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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PRIME BUILD
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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