Mill Liner Fastening System | High-Performance GROWTH Bolts & Fasteners
Discover GROWTH’s premium mill liner fastening system with cold-rolled threads, forged/machined heads, 100% MPI inspection & rigorous quality controls. Sizes: M20–M64, lengths up to 1.5m.
Mill Liner Fastening System – Durable, High-Strength Bolts for Mining & Milling
GROWTH’s mill liner fastening system is engineered for extreme durability in mining, cement, and mineral processing. Our bolts ensure secure liner retention, reducing downtime and maintenance costs.Key Features of GROWTH Fasteners
Cold-Rolled Threads for Maximum Strength
Precision cold-rolling increases thread strength and fatigue resistance compared to conventional cut threads. This process enhances surface finish and dimensional accuracy, minimizing the risk of thread stripping even under continuous vibration and dynamic loads.
Forged or Machined Heads for Heavy-Duty Reliability
Each fastener is produced with either forged or precision-machined heads (M20–M64 range) to ensure exceptional mechanical integrity. Forged heads are ideal for impact-intensive environments, while machined heads allow for custom dimensions and tighter tolerance.
100% Non-Destructive & Metallographic Testing
Every GROWTH fastener undergoes 100% Magnetic Particle Inspection (MPI) to detect any surface flaws. In addition, metallographic testing verifies uniform grain structure and heat treatment consistency—ensuring long-term performance in demanding mill conditions.
Premium Alloy Materials with Heat Treatment Options
Manufactured from high-grade alloy steel, stainless steel, or customer-specified materials, our fasteners deliver outstanding toughness and corrosion resistance. Specialized heat treatment and anti-galling coatings further enhance strength, wear resistance, and service life.
High-Capacity Production & Full Customization
GROWTH’s fastener division is equipped to support large-scale orders without compromising delivery timelines or quality. We offer complete customization for size (M20–M64), length (up to 1.5m or longer on request), and head design—tailored precisely to your mill liner requirements.
Manufacturing Capacity and Customization
Meeting Your Demands with Unrivaled Capacity
We provide sustained support to our customers with continuous consultations to achieve the highest customer satisfaction. Growth will always commit to offering the highest quality products, services and solutions for the grinding and processing of minerals in the mining industry.
Tailored to Your Exact Specifications
We understand that every mill is different. That's why we offer a wide range of customization options:
- Sizes: Our standard sizes range from M20 to M64
- Lengths: We can produce bolts with lengths up to 1.5 meters.
- Bolt Heads: A variety of bolt head designs are available to suit your specific liner and operational needs.
Technical Specifications
- Sizes: M20 to M64 (custom diameters available).
- Lengths: Up to 1.5 meters (longer on request).
- Threads: Cold-rolled to ISO or customer specifications.
- Standards: ASTM, DIN, ISO-compliant.
Our Fasteners
