Custom Manufacturing
& Thermal Solutions
Custom Manufacturing & Thermal Solutions
- ISO 9001:2015
- ISO 13485:2016
- AS9100D
- IATF 16949:2016
- ITAR
- CMMC Level 2
- JCP
Our Core Capabilities
CNC Machining
We machine aluminum, stainless steel, brass, copper, titanium, and engineering plastics. From a single prototype to full production runs — with complete quality documentation on every order.
- Tolerances to ±0.005mm — CNC milling, turning, 5-axis, and Swiss CNC
- No minimum order quantity — 1 piece prototype to high-volume production
- FAI reports, COC, and material certificates standard on every order
Injection Molding
- Insert molding, overmolding, and 2K molding available
- Medical-grade PEEK and FDA-compliant silicone on request
- MOQ from 50 pcs — mold design and DFM analysis included
Aluminum Extrusion
- 6061-T5/T6 and 6063-T5/T6 alloys — custom profile dies available
- Secondary CNC machining, drilling, and tapping in-house
- Anodize (clear, black, hard coat) and powder coat finishing
Die Casting
- A380 and ADC12 aluminum — Zinc Zamak 3 and 5 available
- Complex geometries, thin walls, high-volume production runs
- Post-machining, deburring, and surface treatment in-house
Rubber & Silicone Molding
Liquid silicone injection and compression molding for seals, gaskets, and overmold components. Medical-grade and FDA-compliant materials available for medical and food-contact applications.
- Materials: LSR, HCR, EPDM, NBR, FKM/Viton, TPU, and TPE
- Shore hardness 20A–80A — custom hardness and color matching
- FDA-compliant silicone for medical and food-grade applications
Product Development & Engineering
We support your team from concept through first production run. 3D design, mold design, DFM analysis, and engineering consultation — with NDA available before sharing any files.
- Free DFM review included with every drawing upload
- 3D CAD design support — SolidWorks, CATIA, Fusion 360
- Mold design, tooling development, and cost reduction analysis
Thermal Solutions & Cooling Systems
Heat sinks, cold plates, FSW, and brazing — engineered for EV batteries, IGBT modules, fiber laser systems, and power electronics.
Heat Sink Solutions
Skived fin, extruded, bonded fin, and folded fin in aluminum and copper.
Learn More
Liquid Cold Plates
CNC-machined, FSW or brazed. 100% leak tested. EV, IGBT, fiber laser.
Learn More
Friction Stir Welding
Leak-free enclosures — no porosity, no distortion, hermetic seal.
Learn More
Brazing Solutions
Vacuum-brazed heat sinks with complex fin geometry for aerospace and defense.
Learn More
EV Battery Cooling
Cold plates and cooling manifolds for EV packs and energy storage systems.
Learn More
Fiber Laser Cooling
Precision cold plates for high-power fiber laser pump diode arrays.
Learn More
Industries We Serve
We serve automotive, medical, EV, power electronics, fiber laser, and industrial equipment manufacturers across the U.S. and globally.
Materials We Work With
Aluminum, Steel, Copper & Brass
CNC machining, extrusion, die casting, and sheet metal. Full material certs and surface finishing available.
PEEK, PC, Nylon, ABS & More
From commodity ABS to high-performance PEEK for medical and aerospace — injection molding and CNC machining.
Silicone, EPDM, FKM & TPU
Custom seals, gaskets, and overmold parts — medical-grade to industrial-grade rubber and silicone.
Aluminum, Copper, Graphite & TIM
High thermal conductivity materials for heat sink and cold plate manufacturing — skiving, CNC, and FSW processes.
Why Choose LK Tools
U.S. office support. China factory pricing. 30–50% cost savings without compromising on quality or documentation.
