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
Products tagged with Hex Head Bolt
DIN 933 / DIN 931 Black Hex Bolts
Hotop Fasteners supplies DIN 933 / DIN 931 black hex bolts and nuts for machinery, structural assembly, construction, industrial equipment, and general fastening applications. Manufactured from carbon steel materials such as 35K and 45# steel, these fasteners are available in multiple strength grades, including 4.8, 6.8, 8.8, 10.9, and 12.9. The black oxide finish gives the product a clean industrial appearance and makes it a practical choice for mechanical assembly and hardware supply.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:DIN 933 / DIN 931
Hot Dip Galvanized Transmission Tower Bolts and Nuts, High Strength Steel Tower Fasteners
Hotop Fasteners supplies hot dip galvanized hex bolts and nuts for structural fastening, construction projects, industrial equipment, power installations, and general engineering use. This product is designed for buyers who need strong fastening performance, corrosion resistance, and stable bulk supply. Multiple standard systems, material options, and strength grades are available to support different project requirements.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel
Standard:DIN931, DIN933, ISO4014, ISO4017; DIN, ASME, GB, JIS, ISO options
DIN 933 Carbon Steel Hex Bolts Zinc Plated Black Finish
These DIN 933 carbon steel hex bolts are available in M8x30mm and M10x30mm sizes, with grade options from 4.8 to 12.9 and surface finishes including zinc plated, black, plain, and hot dip galvanized. They are suitable for machinery assembly, industrial fastening, metal structures, equipment repair, and bulk project purchasing.
Grade:4.8 / 6.8 / 8.8 / 10.9 / 12.9
Material:Carborn 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
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
DIN 6921 Hex Flange Bolts M6 M10 M12 Zinc Plated Black Steel Fasteners
DIN 6921 hex flange bolts are steel fasteners designed with an integrated flange under the hex head, helping distribute clamping force across a wider bearing surface without always requiring a separate flat washer. This product is suitable for construction, industrial assembly, machinery fastening, equipment maintenance, steel components, brackets, frames, and general hardware supply.
Grade:4.8 / 8.8 / 10.9 / 12.9
Material:Carbon Steel / Stainless Steel
Standard:DIN, ANSI
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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.
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