Custom Large Hex Bolt Manufacturer - Wholesale Price &Custom Support &Global Shipping

Fastenmetal LTD is a trusted manufacturer of large hex bolts engineered for heavy duty applications in construction, mining, power generation, and petrochemical industries. We specialize in producing non-standard and oversized hex bolts with full customization based on customer drawings and specifications.

Our large hex bolts are available in metric and inch sizes, typically starting from M30 (or 1-1/4”) and above. We use high performance materials such as carbon steel (Grade 8.8/10.9), alloy steel (40Cr, 42CrMo), and stainless steel (SS304, SS316) to ensure excellent mechanical strength and corrosion resistance. All products meet international standards including ISO 4014, DIN 931/933, and ASTM A325/A490.

To enhance durability and appearance, we offer a variety of finishes including hot dip galvanizing, black oxide, zinc plating, and Dacromet coating. Backed by ISO 9001 certification and rigorous quality control, Fastenmetal LTD delivers reliable and precise fastening solutions for infrastructure projects worldwide.

Are You an OEM Manufacturer?

Yes

Fasteners & Stamping Parts Supplier

Fastenmetal is a experienced manufacturer produce fasteners and stamped metal parts. We specialize in OEM production based on customer drawings, offering both standard and custom made solutions.

Our fastener range includes car bolts, marine bolts, chemical bolts, stud bolts, threaded rods, and other high strength bolts.

1.Exotic Material Bolts

For bolts used in extreme environments such as marine, chemical, oil & gas, and aerospace industries,normally need higher corrosion resistance. FastenMetal supply custom bolts and metal components made from exotic materials such as Inconel, Monel, Titanium, and various types of duplex stainless steel.

2.High Strength Bolts

When regular bolts don’t meet strength requirements, we can produce bolts with strength grades up to Grade 12.9 for your requirements.

3.Custom Shapes and Sizes

We manufacture fasteners in special shapes, lengths, and diameters according to specific applications—fully customized according to your drawings.

In addition to fasteners, we offer custom stamping and metal fabrication services. We have 12 punching machines and press machines for large sheet metal forming and bending, we can handle part thicknesses up to 6mm.

In many of these cases, the customer’s engineering department will provide us CAD drawings and tell us the materials,strength grade they need. We produce samples for customers approval before bulk production.