Multi-Function Portable Line Boring Machine – Ultimate Excavator Repair Solution

Heavy-Duty Industrial-Grade Construction
– Precision-engineered with high-strength alloy steel components for superior durability and resistance to wear. Features a hardened spindle and fine-tuned gear system for flawless operation under extreme loads.
All-in-One Boring & Welding Capability
– Combines line boring and welding functions in a single compact unit, eliminating downtime from tool switching. Ideal for on-site excavator arm repairs, hydraulic cylinder refurbishment, and construction equipment maintenance.
Portable & High-Efficiency Design
– Lightweight yet powerful, with adjustable mounting brackets for quick setup on uneven surfaces. Powered by a robust motor delivering smooth, vibration-free boring at 20–250 RPM for professional-grade results.
Precision Machining & Versatile Compatibility
– Equipped with micro-adjustable feed mechanism (0.05mm accuracy) for perfect hole alignment. Works seamlessly with steel, cast iron, and alloy surfaces across excavators, bulldozers, and mining machinery.
Global Wholesale Advantage
– Direct factory pricing ensures unbeatable value for bulk orders, backed by full-category sourcing and fast logistics. Trusted by contractors and repair workshops worldwide for reliability and cost efficiency.