Wholesale OEM Ball Mill Liner Bolts – Customizable High-Strength Fasteners for Mining & Cement Industries

Fastenmetal Ltd is a professional manufacturer specializing in high-quality mill liner bolts. We operate a modern production facility covering 39,100 square meters, equipped with advanced cold heading machines, CNC machining centers, and heat treatment equipment.

We strictly adhere to ASTM A193/A320 standards, offering a variety of material options including carbon steel, alloy steel, and stainless steel (304/316 series). Our bolts achieve tensile strengths of up to 1000 MPa and pass 72-hour salt spray tests to ensure excellent corrosion resistance.

Our product range includes oval head, square head, T-head, and a full line of bolt types. We support customization of high-strength bolts in grades 8.8 to 12.9, and can manufacture special flange connections and non-standard liner bolts according to customer drawings, with sample production completed within 3 working days.

Using precision cold heading technology combined with quenching and tempering heat treatment, we offer 8 surface treatment options including black oxide and hot-dip galvanizing, ensuring outstanding wear resistance and sealing performance under both wet and dry grinding conditions.

All products come with SGS certification, and matching components such as dust-proof washers and spring washers are provided to meet the torque tightening requirements of mill liner installations.

Leveraging our large-scale production capabilities, we deliver cost-effective solutions with standard orders shipped in 5 days and urgent requests supported within 72 hours. We have successfully served over 500 mining and cement industry clients 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.