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.

Products

  • Solid Carbide Internal-Coolant Machine Reamer H7 CNC Precision Reamer Steel Aluminum Alloys

    Solid Carbide Internal-Coolant Machine Reamer H7 CNC Precision Reamer Steel Aluminum Alloys

    OPT internal-coolant solid carbide machine reamers are manufactured from ultrafine-grain tungsten carbide with through-coolant channels delivering coolant directly to the cutting edges. Engineered for semi-finishing and finishing of high-precision holes, the internal coolant design provides powerful chip evacuation and heat control when machining soft steels, stainless steel, titanium and other chip-adhesive materials, delivering superior bore surface quality and extended tool life on CNC machining centers, lathes and automated production lines.

  • Straight Flute Thread Milling Cutter Solid Carbide for Interrupted Cut Cast Iron Hardened Steel

    Straight Flute Thread Milling Cutter Solid Carbide for Interrupted Cut Cast Iron Hardened Steel

    straight flute thread mill solves all these machining defects perfectly. Made of ultra-fine grain carbide substrate with premium TiAlN coating, this thread cutter features ultra-high rigidity and smooth chip evacuation.

    Compatible with CNC milling machines and manual milling equipment, it is widely used for machining 60° metric internal and external threads on cast iron, pre-hardened steel and die steel.

  • 2 Teeth No Pilot Hole Carbide Circular Drill Thread Mill For Steel Workpiece

    2 Teeth No Pilot Hole Carbide Circular Drill Thread Mill For Steel Workpiece

    Our solid carbide drill thread mill integrates drilling and thread milling functions, no pilot holes required, one-step forming internal threads for soft steel. Equipped with internal coolant channels, it delivers high-precision thread surface, shortens CNC machining cycle time and cuts production costs greatly, perfect for mass production in automotive, machinery and construction equipment industries.

  • High Precision Tungsten Carbide 3-in-1 Thread Mill One Step Drill Chamfer Thread Milling Tool for CNC Machining Center

    High Precision Tungsten Carbide 3-in-1 Thread Mill One Step Drill Chamfer Thread Milling Tool for CNC Machining Center

    This multi-function solid tungsten carbide thread milling cutter integrates drilling, chamfering and thread machining functions. Adopts ultra-fine grain hard alloy blank, optional internal cooling groove for smooth chip removal.

    Widely used in auto parts, mold processing, electronics hardware, aerospace metal parts manufacturing. We support customized thread pitch, shank diameter, cutting length and special coating per customer drawings.

  • Parallel Flute Full Thread American Standard Carbide Thread Mill For Aerospace Auto Parts

    Parallel Flute Full Thread American Standard Carbide Thread Mill For Aerospace Auto Parts

    parallel flute full thread UN thread mill complies with ANSI American standards, supporting UNC, UNF and Whitworth thread standards. Made of solid carbide and processed by German precision grinding machines, it realizes integrated drilling and tapping without pre-drilled pilot holes, greatly improving mass production efficiency of CNC machining centers.

    Widely applied in aerospace, automobile, oil & gas and general machinery industries.

  • Solid Carbide Straight Flute Full Teeth Metric Thread Mill CNC Internal External Thread End Mill

    Solid Carbide Straight Flute Full Teeth Metric Thread Mill CNC Internal External Thread End Mill

    straight flute full teeth metric thread mill is made of high-quality solid carbide with customized high-end coatings, featuring high rigidity and high precision.

    widely used in precision machining of aerospace, automobile, medical and machinery industries.

  • Carbide Slim Shank Machine Reamer H7 Precision CNC Reaming Tool for Steel & Stainless Steel

    Carbide Slim Shank Machine Reamer H7 Precision CNC Reaming Tool for Steel & Stainless Steel

    The Slim Shank Machine Reamer is a high-precision cutting tool designed to enlarge and finish pre-drilled holes with exceptional accuracy. It is manufactured from premium tungsten carbide (WC-Co) with optional HSS grade, featuring a slim shank that prevents tool interference, precision-ground flutes for smooth burr-free finishes, and machines hardened steels up to 60 HRC. Compatible with drill presses, lathes and CNC machines.

  • Solid Carbide Hand Reamer Precision H7 Reaming Tool Straight Flute for Mold Automotive Aerospace

    Solid Carbide Hand Reamer Precision H7 Reaming Tool Straight Flute for Mold Automotive Aerospace

    solid carbide hand reamer is a precision cutting tool designed to enlarge and finish pre-drilled holes to an exact diameter with excellent roundness, straightness and surface quality. Manufactured from 100% solid sintered tungsten carbide, it delivers far higher hardness, rigidity and wear resistance than HSS reamers, keeping cutting edges sharp over long production runs. Each reamer is 100% inspected through three-stage quality control before shipment.

  • Solid Carbide Taper Shank Spiral Flute Reamer H7 Morse Taper Precision Reaming Tool CNC

    Solid Carbide Taper Shank Spiral Flute Reamer H7 Morse Taper Precision Reaming Tool CNC

    The Carbide Taper Shank Spiral Flute Reamer is a precision hole-finishing tool engineered for high-accuracy reaming of steel, cast iron, and non-ferrous metals such as aluminum and brass. Made from solid carbide (tungsten carbide), it combines a Morse taper shank (No.1–No.4) with an optimized spiral flute geometry to deliver stable, smooth, and consistent hole quality in CNC machining centers, drill presses, lathes, and other machine tools.