Custom Leaf Spring U Bolts manufacturer- Customize & Global Shipping & Wholesale Price

FastenMetal Ltd has been manufacturing leaf spring U bolts for over 15 years, delivering high precision fastening solutions for commercial vehicles, construction machinery, and industrial equipment.

We have 12 CNC machines and advanced thread rolling technology, we provide 1:1 custom fabrication based on client drawings, supporting full specifications from M6 to M30 in diameter and 30mm to 3000mm in length. Material options include carbon steel, alloy steel, and stainless steel—designed for versatile applications such as automotive leaf spring mounting and bridge embedment.

Thanks to bulk production and lean management practices, we offer fast delivery in 15 days for standard orders, 3 day sample production for custom parts, and carbon steel pricing that is 10%–20% lower than the market average. With over 30 inspection tools, including 3D CMMs, we ensure dimensional accuracy within ±0.1mm, helping clients reduce costs, improve efficiency, and secure a stable supply chain.

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.