Huien Extended Straight Grinder | Long Shaft Air Die Grinder for Deep Hole & Confined Space Finishing
Extended Straight Grinder
Advantages
- Extended Shaft Design: Provides superior reach for deep holes and confined space applications.
- High Precision Machining: Ensures excellent concentricity and stability for consistent finishing.
- Heat-Treated Components: Enhances durability and performance for high-volume production lines.
- Lightweight & Powerful: Reduces operator fatigue while delivering strong torque for efficient work.
- Side Exhaust Design: Directs debris and airflow away from the workpiece and operator.
Description
The Huien Extended Straight Grinder is a versatile industrial tool designed for precision grinding, polishing, deburring, and cutting in hard-to-reach areas. Its extended shaft design allows easy access to deep holes and narrow spaces, making it ideal for mold making, metalworking, and intricate surface finishing. With a lightweight yet powerful build, heat-treated components for enhanced durability, and an ergonomic trigger switch for intermittent operation, this grinder delivers reliable performance in demanding environments such as foundries, tire factories, and metal fabrication shops.
Specifications
Technical Specifications for Huien Extended Straight Grinder
| MODEL | Collet Size (mm) | Free Speed (rpm) | Length (mm) | Weight (kg) | Sound Level dB(A) | Air Consumption (m³/min) |
|---|---|---|---|---|---|---|
| HE-37B | 6 | 22000 | 180 | 0.8 | 85 | 0.3 |
| HE-40B | 6 | 22000 | 170 | 1.2 | 90 | 0.45 |
| HE-40AW | 6 | 12000 | 264 | 1.9 | 90 | 0.45 |
| HE-37A-5W | 6 | 16000 | 361 | 1.7 | 85 | 0.3 |
| HE-37A-8W | 6 | 16000 | 488 | 2.0 | 85 | 0.3 |
Applications
Huien extended straight grinders excel in applications requiring access to deep holes, narrow gaps, and intricate surfaces. They are widely used in mold making, metalworking, tire manufacturing, and general industrial finishing where precision and reach are critical.
- Deep hole grinding and polishing in mold and die making
- Deburring and finishing in metal casting and fabrication
- Tire tread and rubber surface grinding in tire manufacturing
- Precision grinding in automotive and aerospace components
- Narrow space finishing in machinery and equipment maintenance
- Surface polishing and detail work in woodworking and composite materials
FAQ
The extended shaft allows the tool to reach deep holes, narrow gaps, and recessed areas that standard grinders cannot access, improving versatility for intricate work.
It is compatible with a wide range of grinding stones, polishing points, sanding drums, carbide burs, and cutting wheels for various finishing tasks.
Yes, its heat-treated components and durable construction make it suitable for extended use in demanding industrial environments.
It directs exhaust air, debris, and heat away from the workpiece and the operator’s hands, improving visibility and comfort during use.
Requires a consistent industrial air supply (typically 90 psi/6.2 bar) with adequate CFM to maintain tool speed and torque under load.
Yes, with appropriate small-diameter accessories, it is suitable for detailed engraving, etching, and fine finishing tasks on various materials.