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

  • KR Carbide boring bars Small turning tool Full radius grooving Boring bits

    KR Carbide boring bars Small turning tool Full radius grooving Boring bits

    The go-to for low-speed machining – steel parts, non-ferrous metals, aluminum alloys all work. And it’s compatible with stainless steel and cast iron processing too.

    Hardly sticks to anything, plus it has great smoothness.

    OPT makes small boring tools that are known for great precision, top efficiency, and strong wear resistance. Standard ones? We have them in stock for instant delivery. Need something non-standard? We can customize that too.

  • MCR Tiny bars Boring lathe tool for Chamfering and grooving boring

    MCR Tiny bars Boring lathe tool for Chamfering and grooving boring

    Best choice for low-speed machining tasks – steel parts, non-ferrous metals, aluminum alloys are no problem. It fits stainless steel and cast iron processing as well.

    Super good at not sticking, and it’s super smooth too.

    You should check out OPT’s small boring tools—they’re amazingly precise, super efficient, and super resistant to wear. All standard models are in stock and can be sent out right away, and we can also create non-standard ones tailored to your specific demands.

  • MDR boring bars Lathe boring tools for Thread relief,chamfering Custom boring cutting tools

    MDR boring bars Lathe boring tools for Thread relief,chamfering Custom boring cutting tools

    First pick when doing low-speed machining – works for steel components, non-ferrous metals and aluminum alloys. Also works with stainless steel and cast iron processing.

    Strong anti-sticking ability with nice smooth feel.

    The small boring tools produced by OPT are distinguished by their high precision, exceptional efficiency, and robust wear resistance. All standard small boring tools are available for immediate delivery from stock, while non-standard options can also be provided to meet custom requirements.

  • 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.

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

    MPL Carbide boring tool Reverse boring tool Profiling and Boring cutter

    First choice for low speed machining,steel parts.non-ferrous metals,and alnminum alloy machining Compatible with stainless steel and cast iro processing

    Strong anti stickiness. Good smoothness

    Let me tell you about OPT’s small boring tools—they’re super precise, really efficient, and hold up well to wear. All standard small boring tools are available right now from stock, and we can also handle non-standard orders for your specific needs.

  • MFR face grooving Boring tool Solid carbide boring bars Right hand Boring bar carbide

    MFR face grooving Boring tool Solid carbide boring bars Right hand Boring bar carbide

    When dealing with stainless steel processing, this is the one we lean towards. It works smoothly with steel parts, cast iron, and stainless steel processing tasks.

    It has amazing versatility. It doesn’t wear out easily, and it feels really sleek and smooth when you use it.

    When you’re looking for small boring tools, OPT’s are a standout choice. They offer top-tier precision, awesome efficiency, and hold up well against wear. Standard options are ready in stock for instant shipping, and non-standard ones can be made to match your custom requirements too.

  • MNR Micro boring tool Anti vibration boring bar duralble General turning Boring tools

    MNR Micro boring tool Anti vibration boring bar duralble General turning Boring tools

    Purpose: This is the top pick when it comes to titanium alloy and high-hardness materials. What’s more, it fits stainless steel and cast iron processing and finishing perfectly, and the working conditions are awesome.

    Processing characteristics: In top working shape with amazing resistance to wear.

    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.

  • MPR Micro boring tool Anti vibration boring bar duralble General turning Boring tools

    MPR Micro boring tool Anti vibration boring bar duralble General turning Boring tools

    When dealing with titanium alloy and high-hardness materials, this is the one you should go for first. It’s compatible with stainless steel and cast iron processing and finishing, and the working environment stays in good shape.

    In great working order, and it’s super wear-resistant – seriously durable!

    OPT’s small boring tools are known for high precision, exceptional efficiency, and strong wear resistance. The best part? All standard ones are in stock for immediate delivery. And we can also make non-standard ones if you have custom requirements.

  • MWR bars Mini boring bar Groove Boring Tool Long neck Bar boring Long neck tiny tools

    MWR bars Mini boring bar Groove Boring Tool Long neck Bar boring Long neck tiny tools

    Preferred for stainless steel processing , Compatible with steel parts,cast iron, andstainless steel processing

    Strong versatility, Weaar resistanceGood smoothness

    OPT makes small boring tools that are known for being precise, efficient, and really durable. All standard small boring tools are ready to go from stock immediately, and if you have any custom needs for non-standard ones, we can help with that too.