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Test Equipment
Precision instruments verified to spec
Rework Supplies
Professional soldering & rework systems
Electronic Components
Parts for assembly & production
Tools
Precision hand tools for industry
Featured Instruments
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Why Castletronics

We don’t sell everything.
We sell the right things.

Only verified instruments
Every unit is powered on, tested, and confirmed to perform within manufacturer specifications. Select instruments include NIST-traceable calibration certificates — indicated clearly on each product page.
Professional-grade rework
Professional soldering and rework systems — IPC-compliant, and built for the demands of professional electronics assembly and repair.
Tools built to a standard
Precision hand tools developed in collaboration with electronics manufacturers — the recognized standard for IPC, aerospace, and medical device assembly.
Materials we stand behind
ChipQuik and carefully selected brands — chosen for consistency, reliability, and professional results across soldering, rework, and PCB assembly operations.
Our Process

How every unit reaches you.

Source & Inspect
Acquired from verified sources with a thorough incoming inspection on every unit.
Test & Verify
Full functional testing against manufacturer specifications. Every unit confirmed to perform within spec.
Calibrate Where Specified
Select instruments calibrated against NIST-traceable standards. Certificate included and indicated on product page.
Pack & Ship
Carefully packaged and shipped fast. All orders PayPal-protected and fully insured.
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