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International Trade Fair for Construction Machinery,
Building Material Machines, Mining Machines and Construction Vehicles.

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bauma CHINA 2026
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QUANZHOU NANFENG MACHINERY MANUFACTURING CO., LTD.

SNIEC W4.591

Headquarters: 

Target Groups: 

BOLT AND NUT

Product Category: Track-laying chassis

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Product Introduction

High-strength bolts for construction machinery chassis (excavator/bulldozer specific) 1. High-strength material: 40Cr alloy steel, strength grade 10.9-12.9, suitable for heavy-duty mining and earthmoving applications. 2. Heat treatment process: Overall tempering and quenching, wear-resistant surface, high core toughness, impact-resistant and not easily broken or brittle. 3. Precision rolled threads: Regular tooth profile, tight engagement, resistant to high-frequency vibration, not easy to strip or loosen. 4. Surface anti-corrosion: Phosphating and blackening surface, rust-proof and resistant to mud and water corrosion, extending service life. 5. Multi-model compatibility: Compatible with Komatsu, Caterpillar, Sany, Shantui and other mainstream excavator and bulldozer chassis, complete specifications available.

Product Brochure

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BOLT AND NUT

Track-laying chassis

International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

Exhibitor Service International

Tel. +49 89 949-20252

Exhibitor Service China

Tel. +86 21 2020-5500
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