In precision machining, broaching is recognized as one of the most efficient and precise methods for shaping metal components. At Maheen Broaches, we specialize in delivering high-performance internal and external broaches that meet the exacting needs of various industries. But what exactly is the difference between these two types of broaches—and when should you use one over the other?
Internal Broaches
Internal broaches are used to remove material from the inside of a pre-drilled or cast hole. Common applications include creating keyways, splines, hexagons, and other internal profiles that require tight tolerances and high repeatability. The broach is either pushed or pulled through the workpiece, forming the internal surface in a single, continuous pass. This method is especially beneficial when uniformity is critical and time is of the essence.
External Broaches
Conversely, external broaches are designed to shape or finish the outer surfaces of a workpiece. These broaches can form complex external profiles such as flat surfaces, notches, slots, or even contoured shapes. External broaching is ideal for components that require uniform outer dimensions, such as shafts, gears, and turbine blades. It ensures consistent quality across large production volumes and is highly valued in automotive, aerospace, and industrial sectors.
Choosing the Right Broaching Method
The decision between internal and external broaching depends on your part design and functional requirements. For internal features, such as a spline inside a gear hub, internal broaching is the way to go. When it comes to shaping the outside of a shaft or cutting external gear teeth, external broaches are the ideal choice.
Why Choose Maheen Broaches?
At Maheen Broaches, we design and manufacture custom broaches using high-grade materials and precision heat treatment. Whether you require internal or external broaches, our tools are engineered for durability, performance, and accuracy.
Let our expertise guide your next machining project—because when precision matters, Maheen Broaches delivers.
Looking for high-quality external broaches? Contact Maheen Broaches today to learn more about our custom tooling solutions.
