Wear-Resistant Custom Hardware Parts for Heavy-Duty Applications
and Mechanical Components
Yanggu Henglong Engineering Machinery Co., Ltd. specializes in the
research, development, and supply of core hardware components for
construction machinery and mining drilling equipment. Through
precision manufacturing, rigorous quality control, and
comprehensive supply chain services, we provide global customers
with highly compatible, wear-resistant, and stable hardware
component solutions, helping their equipment operate efficiently
and reliably over the long term.
Core Product Lines
- Support and Fixing Hardware: Bearings, guide rails, sliders, and mounting brackets featuring
low friction coefficients and high load-bearing capacity to extend
equipment lifespan
- Rock Drilling Hardware: Drill bit accessories (ball teeth/flat teeth), drill rod
connectors, connecting sleeves, drill shanks, and fishing tools for
mining, tunnel excavation, and quarrying operations. Made from
high-quality alloy steel with heat treatment for enhanced wear
resistance and impact strength
- Mechanical Connection Hardware: High-strength bolts/nuts, washers, pins, and flanges for
engineering machinery chassis, hydraulic systems, and structural
connections. Features high thread precision, strong fastening,
anti-loosening, and corrosion resistance
- Hydraulic/Pneumatic Hardware: Hydraulic connectors, hose clamps, seals, and pneumatic quick
connectors for excavators, loaders, and drilling rigs. Offers
excellent sealing performance, pressure resistance, and anti-aging
properties for high-pressure environments
Core Materials
Alloy Steel: Used for critical load-bearing components, balancing strength and
corrosion resistance
High-Quality Carbon Steel: Suitable for heavy-duty connections with blackening and
galvanizing treatments for rust prevention
Zinc Alloy / Aluminum Alloy: Used for lightweight components with electroplating available for
surface treatment, balancing aesthetics and practicality
Manufacturing Excellence
CNC Machining: Dimensional accuracy of ±0.01mm ensuring perfect fit with
equipment
Heat Treatment: Quenching, tempering, and carburizing processes enhance hardness
and wear resistance, extending service life
Surface Treatment: Electroplating, spraying, and blackening strengthen rust and
corrosion resistance for harsh working conditions
Key Advantages
Secure Connection: High-precision threads and structural design ensure stable
equipment component connections, preventing loosening and
guaranteeing operational safety
Wear and Impact Resistant: Components possess excellent wear resistance and fatigue
resistance for demanding applications
Strong Adaptability: Customizable services available to meet specific working condition
requirements
Reduced Maintenance Costs: Stable quality reduces equipment failures and downtime, lowering
repair and replacement frequency
Customization Services
We support customization of size, material, and color, and offer
custom orders based on your provided designs and specifications.
ST58 Thread Retrievers - 23CrNi3Mo Material for Internal Fishing Tools
