Hebei Kappa Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of plow bolt | high strength mill liner bolts for mining & crusher equipment in China. Welcome to buy bulk high quality plow bolt | high strength mill liner bolts for mining & crusher equipment made in China here from our factory. If you have any enquiry about cooperation, please feel free to email us.
Commonly called mill liner bolts or bucket bolts, plow bolts adopt a special recessed‑head design. Once installed, the entire head stays buried inside wear‑resistant liners, shielded from material scouring, shock and friction throughout equipment operation.
Produced in 8.8 / 10.9 /12.9 high‑strength alloy steel with black oxide surface, they withstand heavy shear stress, ongoing vibration and tough abrasive environments. They remain a trusted fastener choice for mining, aggregate and heavy‑duty machinery applications.
Why Choose Our Plow Bolts
| Item | Specification |
|---|---|
| Strength Grade | 8.8 / 10.9 / 12.9 high strength alloy steel |
| Surface Treatment | Black oxide, customized surface treatment available |
| Size Range | Full range dimensions for mining & crusher market |
| Quality Assurance | Strict quality control, ISO9001 certified, MTC material test report support |
| Supply Mode | Source factory direct supply for bulk project orders |
Core Application Scenarios
Mining & Mineral
Processing
- Ball mill & rod mill liner fixing
- Jaw crusher, cone crusher, impact crusher wear parts
- Ore grinding equipment, mineral processing plant
Pain point solved：Ore and stone constantly wash equipment surface. Ordinary hex bolt heads will wear away quickly and cause loose liner. Plow bolt hidden‑head structure avoids head abrasion, extend service life of whole equipment.
Aggregate & Sand‑making Plant
- Sand maker, hammer crusher, stone mill lining
- Gravel production line heavy‑duty equipment
Pain point solved：Sharp sand and gravel cause severe wear on fasteners. Plow bolts resist abrasive particle friction, reduce frequent bolt replacement & downtime.
Construction & Heavy‑Duty Machinery
- Bulldozer, loader bucket wear plate
- Snow plow blade fixing
- Mixer & blender inner wear liner
Other Heavy Industrial Equipment
- Brick & tile factory grinding mill
- Metallurgy & rolling mill auxiliary liners
- Quarry site heavy machinery
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