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.

Factory supplies OEM custom HDG fasteners via cold heading, hot forging and CNC machining for non-standard sizes, special T-head, step bolts etc. Engineers adjust thread dimension offsets in advance to guarantee smooth fit after galvanizing. Samples & first article inspection before mass production. Fits new energy supports, ancient bridge renovation and mining machinery. Provide mold customization, moisture-proof pallet export packaging, accept CAD drawings or physical samples for reverse engineering.

HDG drop forged DIN580 lifting eye bolts are solid integrated steel instead of bent wire to avoid fracture under lifting tension. Centrifugal process removes excess zinc inside eye loop and threads for smooth assembly. Marked with WLL, available with shoulder for angled lifting. Zinc coating over 50μm resists salt and rain for machinery hoisting, telecom tower stay wires and marine rigging. Full MTR test reports provided, moisture-proof pallet packaging, matching DIN582 eye nuts also supplied.

Hot dip galvanized structural bolt assemblies are designed for outdoor steel connections, bridge components, tower structures, industrial frames and other exposed construction projects where corrosion resistance and stable fastening performance are required. Supplied with matching nuts and washers, these bolts are suitable for bulk project purchasing and export orders.

Hotop Fasteners supplies Grade 8.8 DIN 933 / DIN 931 Hex Head Bolts made from carbon steel for industrial fastening, machinery assembly, construction projects, steel structures, and general engineering use. This product is available in DIN 933 full thread and DIN 931 partial thread types. With a Grade 8.8 high tensile strength class, hex head design, and black oxide surface finish, it is suitable for buyers who need reliable fastening performance, stable supply, and practical cost control.

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.

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.

Hotop Fasteners supplies ASTM, BSW, and UNC hex head bolts for machinery, construction, equipment assembly, maintenance, and industrial fastening applications. This bolt series supports imperial thread requirements as well as DIN 933 and DIN 931 configurations. Available strength grades include 4.8, 8.8, and 10.9, allowing buyers to select the appropriate fastening performance for general-purpose, industrial, or heavy-duty applications.

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.

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.