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

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.

Yellow/white zinc plated hex sleeve expansion anchors made of carbon steel. Fluted expansion sleeve expands evenly to grip concrete and masonry, anti-rotation design prevents slipping during tightening. Pre-assembled bolt and washer for quick through installation, sizes M5-M12 with custom lengths available. Pass ISO9001 & CE, suitable for construction, equipment fixing and racking. Factory direct supply from Handan, moisture-proof cartons on pallets for Southeast Asia shipments, custom packaging and lengths supported.

Bright zinc plated countersunk window frame sleeve anchors feature full expansion design for tight, vibration-resistant fixing into concrete and solid brick. The flush phillips head ensures smooth, burr-free installation for uPVC, aluminum doors and windows. Pre-assembled structure improves on-site efficiency. Made of high-grade carbon steel with stable shear load performance, factory inspected. Custom sizes and OEM services available, moisture-proof carton and pallet packaging for sea export.

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.