Thread Master Pro

Thread Master Pro

 4.8 | 1,462 Reviews

🔩 Instantly Identify Any Bolt or Nut Size—Metric & SAE

📏 Built-In Inch + CM Rulers for Quick On-the-Spot Measuring

🛠️ Industrial-Grade SUS304 Bolts for Long-Lasting Accuracy

🧰 Lightweight 6061 Aluminum—Perfect for Shop, Truck, or Toolbox
Thread Master Pro

Thread Master Pro

$99.99
$99.99
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Low Stock!

Due to high demand and virality on social media, the estimated delivery time: 7–12 business days after your order ships.

We offer a 30-day money back guarantee. If you don't love it, let us know and we'll make it right!

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“This thing saves me so much frustration. I match threads in seconds instead of running back and forth."

John S
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Instantly Identify Any Nut or Bolt Size

Quickly match metric or SAE threads using precision-cut stainless bolts built into a durable 6061 aluminum board. No more guessing, wasted time, or grabbing the wrong hardware during repairs.

ThreadMaster Pro shows you the exact size in seconds with accurate Go/No-Go fittings and laser-etched markings. Perfect for mechanics, DIY repairs, and keeping your shop organized and frustration-free.

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Loved By Mom's World Wide

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    12,000 Happy Customers

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    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

    ✦

    12,000 Happy Customers

    ✦

    Save Time Or Money Back

      Why 12,000+ Swear By Us

      Excellent 4.8 / 5

      • Wish I got this earlier

        “Perfect for anyone who works in a garage or around machinery. Helps me find exact thread sizes fast. Lightweight but feels tough enough to last forever.”

        Marie R

      • Worth it

        “I use this at home and at work. The metric and SAE together make life easy. Really precise threads, and the ruler actually helps more than expected.”

        Kendra T

      • saved me so much time

        “I used to test bolts the slow way. Now I just stick them in this board and instantly know the size. Great tool to keep nearby.”

        Lindsey T