Custom OEM Lock Nuts Manufacturer - Metric & Imperial Sizes Available

FastenMetal Ltd has specialized in manufacturing lock nuts for over 15 years, offering full spec custom production from metric sizes M3–M100 to imperial sizes 1/4"–4", all precisely made to customer drawings. Our product range includes all metal lock nuts (GB/T 6184) and non-metallic insert flange lock nuts (GB/T 6183), customized for high strength applications such as wind turbine gearboxes, machine tool spindles, high speed rail fastening systems, and vibration resistant mining equipment.

Certified to ISO 9001, our lock nuts meet the prevailing torque standards of GB/T 3098.9 for anti loosening performance. We offer a variety of surface finishes, including Dacromet coating (up to 1000 hours salt spray resistance), zinc-nickel alloy plating, and rust proof phosphating.

With bulk production and lean management, our carbon steel lock nuts are 10%–20% more cost effective than market averages. Standard orders ship in 15 days, and custom non-standard samples can be delivered in as fast as 3 days.

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.