Skip to product information
Nut and Bolt Thread Checker Standard and Metric, 44 Male/Female Bolt Size Finder Thread Gauge (23 Standard & 21 Metric), for Bolt and Nut Size Chart in Narrow Areas
Sale price
$39.99
Regular price
$59.99
Reliable shipping
Flexible returns
🔧 Never Guess Bolt Sizes Again! The Ultimate Portable Thread Checker
🚀Our Bolt Size Finder: Easy Access in Tight Spaces
Unlike bulky wall-mounted gauges, our 44-piece bolt size finder features fully removable gauges! Perfect for quick thread checks in cramped workshops, under car hoods, or behind plumbing fixtures. Slip it in your pocket and go! 🛠️
📐 Bolt Size Finder Complete Size Coverage (23 Standard + 21 Metric)
US STANDARD (Silver)
| 1-12 | 1-8 | 3/4-16 | 3/4-10 |
| 5/8-18 | 5/8-11 | 9/16-18 | 9/16-12 |
| 1/2-20 | 1/2-13 | 7/16-20 | 7/16-14 |
| 3/8-24 | 3/8-16 | 5/16-24 | 5/16-18 |
| 1/4-28 | 1/4-20 | 10/32 | 10/24 |
| 8/32 | 6/40 | 6/32 |
🌎 METRIC (Black)
| M3-0.5 | M4-0.7 | M5-0.8 | M6-1.0 |
| M7-1.0 | M8-1.0 | M8-1.25 | M10-1.0 |
| M10-1.25 | M10-1.5 | M12-1.25 | M12-1.5 |
| M12-1.75 | M14-1.5 | M14-2.0 | M16-1.5 |
| M16-2.0 | M20-1.5 | M20-2.5 | M24-2.0 |
| M24-3.0 |
US STANDARD (Red)
| 1-12 | 1-8 | 3/4-16 | 3/4-10 |
| 5/8-18 | 5/8-11 | 9/16-18 | 9/16-12 |
| 1/2-20 | 1/2-13 | 7/16-20 | 7/16-14 |
| 3/8-24 | 3/8-16 | 5/16-24 | 5/16-18 |
| 1/4-28 | 1/4-20 | 10/32 | 10/24 |
| 8/32 | 6/40 | 6/32 |
🌎 METRIC (Blue)
| M3-0.5 | M4-0.7 | M5-0.8 | M6-1.0 |
| M7-1.0 | M8-1.0 | M8-1.25 | M10-1.0 |
| M10-1.25 | M10-1.5 | M12-1.25 | M12-1.5 |
| M12-1.75 | M14-1.5 | M14-2.0 | M16-1.5 |
| M16-2.0 | M20-1.5 | M20-2.5 | M24-2.0 |
| M24-3.0 |
💪 Built Like a Tank - Lasts for Years
Forged from aerospace-grade aluminum alloy with laser-etched markings that WON'T fade. Survives oil, grease, and job site drops. The hexagonal design provides a perfect grip, even with oily hands. ✨
🧰 Our Bolt Size Finder Kit: No More Lost Gauges! Smart Storage
Custom-cut foam case keeps every bolt size finder securely nested. Fits in gloveboxes, tool belts, or toolbox drawers. Never waste time hunting for sizes again! 🔍
🔩 Where Pros Use This Bolt Size Finder:
- ⚡ Automotive: Identify stripped bolts during repairs
- 💧 Plumbing: Match pipe threads in tight crawl spaces
- 🌲 Woodworking: Size threaded inserts for furniture
- 🔌 HVAC: Service units with mixed standard/metric fasteners
- 🏗️ Metalworking: Verify threads before machining
"My most reached-for tool!" - Mike K. (Verified Buyer) ⭐⭐⭐⭐⭐
🎯 Why Choose Our Bolt Size Finder Kit?
• 44 Gauges in 1 Compact Case
• Laser-Etched Precision Markings
• Foam Protection Against Damage
• SAE + Metric in One Solution
❓ Frequently Asked Questions ( Bolt Size Finder )
Q1: What sizes are included in the Bolt Size Finder?
A1: The Bolt Size Finder includes 23 US standard sizes and 21 metric sizes, covering a wide range of thread sizes for all your automotive, plumbing, woodworking, and metalworking needs.
Q2: Can I use the Bolt Size Finder for both standard and metric bolts?
A2: Yes, our Bolt Size Finder includes both US standard (SAE) and metric gauges, making it perfect for a variety of applications across different industries.
Q3: Is the Bolt Size Finder durable enough for rough job site conditions?
A3: Absolutely! It’s made from aerospace-grade aluminum alloy, designed to withstand drops, oil, grease, and rough handling on job sites, ensuring long-lasting performance.
Q4: How do I store the Bolt Size Finder?
A4: The Bolt Size Finder comes with a custom-cut foam case that securely holds all the gauges, keeping them organized and protected. It fits easily into gloveboxes, tool belts, or toolbox drawers for convenient storage.