Custom Drill and Tap Electrical Solutions

Our mission

Custom Drill & Tap/Cutouts Electrical Solutions

We help eliminate long manufacturer delays by offering in-house enclosure modifications, including custom drill and tap services and precision cutouts. Our advanced electronic manufacturing services are engineered to deliver accuracy, fast turnaround, and compliance with UL and ATEX/IECEx standards.

By performing modifications internally, we maintain the structural integrity of each enclosure while ensuring exact specifications. Our electrical solutions are built to the highest industry standards and tailored to support a wide range of applications across industrial, commercial, and hazardous environments.

As a leading Texas electrical services provider, Willis Electrical is the trusted partner for reliable, efficient, and code-compliant custom fabrication.

Looking for trusted, explosion-proof enclosures? You can now shop KILLARK EXB/EXBLT enclosures directly from our online store

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Manufacturing drill and tap

Custom Drill & Tap Solutions

Expert custom drill and tap services for cast aluminum enclosures (Type 7), ensuring each modification meets UL 508A and ATEX/IECEx certification standards. Our in-house team ensures precision work that upholds the integrity and compliance of every enclosure.

We support a range of entry types and custom modifications, including:

  • NPSM Entries – Operator outlets

  • NPT Entries – Conduit outlets

  • Metric Entries – International thread specifications

  • Precision Milling – For windows, heatsinks, and ventilation

    Enclosure Cut-Out

    Custom Enclosure Cutouts

    Our team also specializes in high-accuracy enclosure cutouts for various panel components. We ensure all modifications align with your engineering drawings, tolerances, and certification needs.

    We work with a variety of enclosure materials, including:

    • Carbon Steel Enclosures

    • Stainless Steel Enclosures

    • Fiberglass Enclosures

    Whether you need modifications for electrical control panels, explosion-proof enclosures, or industrial automation gear, Willis Electrical delivers fast, compliant, and high-quality results every time.

      Benefits of Custom Drill & Tap

      Drilling and tapping are critical for the safe and accurate installation of your control panels, ensuring structural integrity and long-term performance. Poorly executed modifications—such as incorrect spacing or misaligned entries—can compromise the enclosure, void manufacturer warranties, and pose significant safety risks.

      By using custom drill and tap solutions, you ensure that each enclosure is precisely prepared to accommodate your components, maintain compliance, and function seamlessly within your electrical system.

      Avoid costly mistakes and code violations—trust Willis Electrical’s Custom Drill & Tap Solutions for:

      ✅ UL & ATEX/IECEx Compliance
      ✅ Clean, Accurate Entry Points
      ✅ Enclosure Integrity Preserved
      ✅ Faster Turnaround – No Factory Delays
      ✅ Full Compatibility with Control Panel Designs

      Shop Certified KILLARK Enclosures Now →
      Our mission

      Choose Willis ELECTRICAL for your

      Custom Drill & Tap Needs

      With over 25 years of industry experience, the Willis Electrical team knows what it takes to ensure you get the results you desire the first time around. From unique shapes or standard entries, our team has experience with enclosure modifications.

      We offer:

      • Drawings for approval
      • Fast turnaround times
      • Minimal downtime for your team
      • Guaranteed accuracy in our cuts, drilling, and tapping.

      Ready to start your project? Contact us today by phone at (281) 469-1268 or email sales@wili.oceandesignx.com to learn more about our services.

      Request a Quote

      Fill out the form below and a member of our team will get in touch with you.

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