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Koocu KC-3D Stainless Steel Tweezer
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Koocu KC-3D Stainless Steel Tweezer

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High-Quality Stainless Steel Build

The Koocu KC-3D Stainless Steel Tweezer is crafted from premium stainless steel, offering exceptional durability and corrosion resistance. Perfect for both professionals and hobbyists, its robust design ensures long-lasting performance, even with frequent use.

Pinpoint Precision for Fine Tasks

Engineered with a fine-tip design, this Koocu KC-3D Stainless Steel Tweezer provides outstanding precision, making it ideal for tasks like electronics repair, jewelry crafting, or delicate assembly work. Its ergonomic build offers superior control for intricate tasks without sacrificing comfort.

Versatile and Reliable

Whether you’re working in a lab, workshop, or simply seeking a reliable tool for at-home projects, the Koocu KC-3D Stainless Steel Tweezer is your versatile solution. Lightweight yet sturdy, it delivers both accuracy and ease of use, meeting a wide range of needs. Upgrade your toolkit with a tool built for precision and convenience.

the Koocu KC-3D Stainless Steel Precision Tweezers. This complete guide is structured strictly in a tabular format detailing its architectural design, mechanical metrics, surface finishes, functional tolerances, and micro-electronics application guidelines.

Koocu KC-3D Technical Data Matrix

Specification Category Parameter Name Technical Detail & Exhaustive Engineering Description
Identity & Classification Brand Manufacturer Koocu Tools Co., Ltd. (Engineered specifically for micro-precision electronic repairs, logic board trace repairs, and ultra-fine micro-soldering tasks).
Model Designation KC-3D (Also designated as the KC-3D High Precision Micro-Component Series).
Tool Classification Ultra-Fine 3D Geometry Non-Magnetic Precision Tweezers.
Material Composition Base Alloy Grade Premium Surgical-Grade Special Stainless Steel Alloy. This foundational metal matrix is treated to yield high hardness and tensile strength while remaining flexible enough to absorb excessive clamping force.
Chemical Fortification Chromium-Nickel Enhanced Matrix. The metallurgy incorporates specific percentages of Chromium ($Cr$) and Nickel ($Ni$) to ensure advanced resistance to atmospheric oxidation, acidic flux deposits, and industrial chemicals.
Non-Magnetic Integrity Fully non-magnetic base structural properties. The alloy prevents any static magnetism or induced magnetic fields from developing at the tips, ensuring that tiny iron-based components or screws do not inadvertently cling to the tool.
Elastic Modulus Engineered to maintain high structural elasticity. The arms return completely to their original factory gap setting without taking a permanent bend or setting after thousands of repetitive compressions.
Dimensional Metrics Total Overall Length Approx. 135 mm to 140 mm (Ergonomically scaled to balance safely within standard human hand spans, optimizing center of mass toward the palm for stabilization).
Body Width (Max) 9.0 mm to 9.5 mm at the widest point of the handle flank, tapering smoothly down into the micro-tip architecture to allow a comfortable, non-slip finger hold. Koocu KC-3D Stainless Steel Tweezer
Shank Thickness 1.5 mm to 1.8 mm along the main structural beams to provide a highly rigid frame that stops structural twist or sideways deflection when gripping tightly. Koocu KC-3D Stainless Steel Tweezer
Uncompressed Tip Gap 6.0 mm to 7.5 mm maximum resting gap between tips, preventing excessive finger fatigue during rapid, open-close cycles.
Micro-Tip Architecture Tip Configuration Type Ultra-Sharp 3D Straight Pointed Profile. The inner face of the tips features an optimized 3D mating surface for maximum surface area friction against round micro-components.
Rated Tip Resolution 0.01 mm Clamping Clearance. The points are machined to cleanly grip micro jumper wires as thin as 0.01 mm without letting the wire slide out sideways.
Tip Alignment Finish Sharp Tip Fine Polishing Technique. Every tip pair undergoes precise micro-abrasive polishing under optical magnification to eliminate structural burrs, uneven edges, or microscopic spacing gaps.
Anti-Overlapping Guide Integrated Anti-Twist Guide Facets. The mechanical design features matched inner geometric cuts that prevent the tips from crossing over or overlapping each other under hard hand pressure.
Mechanical Properties Hardness Rating $\ge$ HRC 40–45 (Rockwell C Scale). This target hardness keeps the tips sharp and resistant to blunting or flattening, yet soft enough not to scratch gold-plated logic board pads.
Tension Profile Responsive Low-Fatigue Spring Tension. The spring back force is perfectly calibrated; it requires minimal finger effort to completely close the tips, stopping hand tremors during long microscope work.
Corrosion Resistance High Industrial-Grade Resistance. Safe from deterioration when exposed to active rosin flux pastes, isopropyl alcohol cleaning baths, lead-free solder chemistry, and perspiration.
Thermal Threshold Capable of enduring direct contact with micro-soldering air streams and iron tips up to $350^\circ\text{C}$ to $400^\circ\text{C}$ without losing heat-treat hardness or suffering tip oxidation.
Surface Styling & Ergonomics Body Surface Coating Satin Matte Polished Stainless Finish. The raw alloy body is bead-blasted and polished to a low-glare satin finish that stops blinding workbench lighting reflections from bouncing into a technician’s eyes or microscope lenses.
Grip Pattern Texture Smooth-contoured, clean finish with minimal debossed branding. Features flat structural flanks that act as wide index-finger stabilizing surfaces.
Edge Radii Finish Chamfered Comfort Edges. The outer perimeter of the handle flanks features smooth, deburred radii to prevent sharp corners from pressing into the technician’s fingertips during long use.
Weight Measurement Approx. 15g to 18g (Lightweight formulation designed to reduce inertia and optimize fine hand adjustments under 20x magnification).
Primary Functional Applications Micro-Jumper Wire Handling Perfect for holding, routing, and stabilizing 0.01mm to 0.05mm ultra-fine copper jumper wires onto fractured logic board traces or under-IC pads.
IC & BGA Placement Tailored for picking up, positioning, and steadying Micro-BGA, Power Management ICs (PMIC), CPU chips, and Wi-Fi modules during hot-air reflow soldering.
SMD Component Care Specifically designed for handling 0201 and 01005 footprint Surface Mount Devices (SMD) including micro-resistors, capacitors, and diodes.
Mobile Repair Field The go-to tool for high-end smartphone logic board diagnostics, iPad trace repair, Face ID module component restoration, and Apple MacBook board-level servicing.
Secondary Use Fields Highly suitable for watchmaking assembly, fine jewelry design, cleanroom fiber handling, laboratory micro-dissection, and precision medical prototyping. Koocu KC-3D Stainless Steel Tweezer
Environmental Compliance Chemical Cleanliness RoHS Compliant Structure. Built entirely free from restricted hazardous substances, lead, or toxic surface lacquers. Koocu KC-3D Stainless Steel Tweezer
Electrostatic Discharge Protection Because it uses a bare, non-magnetic stainless steel finish, static buildup is naturally dissipated safely down through the user to an ESD grounding wrist strap. Koocu KC-3D Stainless Steel Tweezer
Packaging & Care Extras Tip Safety Accessory Comes packed with a Heavy-Duty Soft Plastic Tip Protector Cover Clip. This cap shields the delicate 0.01mm points from drop impacts and prevents accidental puncture wounds when stored. Koocu KC-3D Stainless Steel Tweezer
Storage Packaging Delivered inside a clear, heavy-gauge protective plastic blister-card sleeve with an impact-absorbing backing sheet to ensure factory alignment remains true during transport. Koocu KC-3D Stainless Steel Tweezer
Maintenance Recommendation Clean tips regularly using an isopropyl alcohol wipe. Avoid using the tips to pry up heavy shield cans, twist thick gauge ground wires, or scrape away hard epoxy fills to protect the 0.01mm precision alignment. Koocu KC-3D Stainless Steel Tweezer

Technical Features & Performance Summary

  • Microscopic Precision: The defining characteristic of the Koocu KC-3D Stainless Steel Tweezer is its true 0.01mm functional tip resolution. This precise engineering ensures that when closing the tweezer arms, the points meet with perfect symmetry, leaving no gaps for micro-wires to slip through.

  • Anti-Glare Satin Finish: Optimized for extended microscope repair sessions, the satin surface prevents harsh glare from high-intensity workbench lights, protecting the technician’s eyes from fatigue. Koocu KC-3D Stainless Steel Tweezer

  • Long-Term Structural Reliability: Built from specialized non-magnetic stainless steel, this tool maintains its crisp tip profile and structural alignment through thousands of heating cycles, flux exposure, and chemical cleanings without deformation. Koocu KC-3D Stainless Steel Tweezer

Koocu KC-3D Stainless Steel Tweezer

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