OPT insists on creating brands with its quality, when you buy OPT products, you are buying the reliable performance and tool life. For over years, OPT’s tools have been fully recognized by domestic and overseas customers.

Boring Bars

  • Quick change Internal Hole boring MTR MQR MPR Micro boring bars Small diameter boring cutters

    Quick change Internal Hole boring MTR MQR MPR Micro boring bars Small diameter boring cutters

    Preferred choice for titanium alloy and high hardnessmaterials Compatible with stainless steel,cast iron processingand finishing with good working conditions

    Good working condition: Extremely strong wear resistance.

    OPT’s small boring tools have high precision, exceptional efficiency, and robust wear resistance. Need standard ones? We have them in stock for quick delivery. Need non-standard? We can do custom options.

  • MUR MUL Small boring tools Profile boring Tool Chamfer boring tool for 90° face cutting

    MUR MUL Small boring tools Profile boring Tool Chamfer boring tool for 90° face cutting

    Go-to option for low-speed machining – works great on steel parts, non-ferrous metals and aluminum alloys. Also fits stainless steel and cast iron processing.

    Super non-sticky and really smooth.

    OPT’s small boring tools have three big pluses: high precision, great efficiency, and tough wear resistance. Standard ones? In stock, ship right now. Non-standard? We can do custom ones for you.

  • High precison boring MTR boring bar Tiny boring tools carbide boring bar lathe turning

    High precison boring MTR boring bar Tiny boring tools carbide boring bar lathe turning

    Carbide boring bars are precision tools for small part machining, suitable for internal turning, grooving, threading, counterboring & spot facing applications.

    These tools are made for the high-tech, medical & small components industries. 

    OPT TOOLS offering of fully stocked solid carbide boring bars, all of which are CNC grounded, also fast delivery in customization orders.

  • MTR Internal boring tool Carbide boring bar for Lathe boring

    MTR Internal boring tool Carbide boring bar for Lathe boring

    Carbide boring bars are precision tools for small part machining, suitable for internal turning, grooving, threading, counterboring & spot facing applications. These tools are made for the high-tech, medical & small components industries. 

    OPT tiny bars employ advanced edge preparation technologies and ensures uniform microgeometry, it significantly enhance the performance of carbide cutting tools

  • MPR Carbide boring tool Reverse boring tool Profiling and Boring cutter

    MPR Carbide boring tool Reverse boring tool Profiling and Boring cutter

    Purpose: Preferred choice for titanium alloy and high hardnessmaterials, Compatible with stainless steel,cast iron processingand finishing with good working conditions

    Processing characteristics: Good working condition, Extremely strong wear ,resistance

    OPT’s small boring tools are great—high precision, top efficiency, and tough against wear. All standard ones are ready to ship from stock, and if you need something non-standard, we can customize it to fit your requests.