MXR Back boring bar Small boring bars Lathe boring bars for reverse turning

Short Description:

Top pick for low-speed machining jobs – steel parts, non-ferrous metals, aluminum alloys, all handle easily. It’s compatible with stainless steel and cast iron too.

Doesn’t stick at all, and the smoothness is great.

OPT’s small boring tools? Precise, efficient, and super wear-resistant! Standard ones? In stock, ship ASAP. Non-standard? We can customize them for you easily.

Function: Backing turning
Application material: ISO material P/ M / K / S
Tool material: Carbide
Application machines: CNC machining center, turning lathe, conventional machine
Coating: TiN
Coolant: Upon Request
Positioning type: Flatten locking
Delivery set: Individual packaging 1 pc

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More Choices for Your Machining

The R-radius on the tool tip meets the cutting edge

For other manufacturers’ processes, the R-angle precision is lousy—instead of proper intersection, the R-angle just tangents the cutting edge. That leaves a sharp tiny point on the tool tip. When cutting, the tip doesn’t bear force evenly; all the heat piles up on that tiny point, which easily burns the tool. In the end, the workpiece dimensions go off, and the tool’s service life gets shortened big time.