Professional Grinding Solutions: A Comprehensive Guide to Industrial Grinders

In the modern industrial landscape, surface preparation, material removal, and precision finishing are critical to the success of any fabrication project. Grinders are the essential workhorses of the workshop, but selecting the correct type is vital for safety, efficiency, and finish quality.

Our professional-grade collection includes Angle, Die, Straight, and Bench Grinders, engineered to meet global standards of durability and performance. Below, we explore the distinct technical differences and specialized applications of each type to help you make an informed procurement decision.

1. Angle Grinders: The Versatile Multi-Tool

The Angle Grinder is the most widely recognized tool in the category, defined by its right-angle geared head. This design allows the operator to apply downward pressure while maintaining a comfortable grip.

Primary Application: Heavy-duty metal fabrication, cutting rebar/pipes, and grinding down weld seams.
Key Advantage: Versatility. By switching between cutting discs, grinding wheels, flap discs, or wire brushes, a single tool can transition from aggressive material removal to fine surface polishing.
Industry Use: Construction, shipbuilding, and automotive bodywork.

2. Die Grinders: The Precision Specialist

Die Grinders are high-speed, inline power tools typically used with smaller bits like rotary burrs or mounted points. Unlike angle grinders, they operate at significantly higher RPMs (often exceeding 25,000 RPM).

Primary Application: Precision deburring, porting, and polishing of internal surfaces or intricate geometries.
Key Advantage: Access. Because of their compact, "pencil-like" grip, they can reach into narrow crevices and internal bores where larger grinders cannot fit.
Industry Use: Aerospace engineering, mold and die manufacturing, and engine reconditioning.

3. Straight Grinders: The Heavy-Duty Reach Specialist

While often confused with die grinders, Straight Grinders are typically larger and more powerful. They feature a long, straight shaft with the wheel mounted at the end, providing significant "reach."

Primary Application: Smoothing out the inside of large pipes, heavy-duty internal grinding, and cleaning the inner surfaces of large castings.
Key Advantage: Power-to-reach ratio. They provide the torque required for heavy-duty metal removal in deep or awkward cavities that require a horizontal approach.
Industry Use: Heavy machinery manufacturing, oil and gas piping, and foundries.

4. Bench Grinders: The Stationary Maintenance Hub

Unlike the portable options above, the Bench Grinder is a stationary machine bolted to a workbench. It usually features two grinding wheels—one coarse for rapid removal and one fine for finishing

Primary Application: Sharpening cutting tools (chisels, drill bits, lawnmower blades) and removing heavy rust or paint from small parts.
Key Advantage: Stability and Torque. Since the tool is fixed, the operator can use both hands to manipulate the workpiece against the wheel, ensuring a precise and steady edge.
Industry Use: Tool and die rooms, maintenance departments, and general engineering workshops.

Wheel Capacity	100mm (4")
Hole Diameter	16mm
Spindle Thread	M10 x 1.5
Power Input	705 W
No Load Speed	12000 rpm
Overall Length	258mm
Weight	1.5kg

HiKOKI Angle Grinder 4"(100mm), 12000rpm, 705W, 1.5kg PDA-100K

Customer Reviews