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🔩Nut & Bolt Thread Checker Gauge Set | 26PCS / 44PCS Two Options Available
🔩Nut & Bolt Thread Checker Gauge Set | 26PCS / 44PCS Two Options Available
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Regular price
$39.99 USD
Regular price
$79.99 USD
Sale price
$39.99 USD
Quantity
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🎁💐Don't forget to get some for your family and friends as it's a unique gift idea.
🔩 Nut & Bolt Thread Checker Gauge Set | 26PCS / 44PCS Two Options Available
Tired of wasting time guessing bolt, nut and screw sizes? This color-coded thread gauge kit includes 2 size options (26PCS compact set & 44PCS full complete set) with both Inch & Metric measurements, an essential time-saving tool for mechanics, DIY enthusiasts, garages and all repair work!
Two Size Kits for Different Demands
- 26PCS Compact Kit: 14 Inch sizes + 12 Metric sizes, lightweight, small footprint for daily light repair, vehicle emergency carry, beginner hobbyists.
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44PCS Full Complete Kit: 23 Inch sizes + 21 Metric sizes, covers almost all industrial, automotive, furniture fastener specs, ideal for professional garages, factories and heavy maintenance work.
Red studs = Metric thread sizes, Blue studs = Imperial Inch sizes, color separation lets you identify categories at a glance.


High Precision Anti-Rust Stainless Steel
All gauge studs are made of high-strength stainless steel, strictly calibrated for precise thread matching, corrosion-resistant and wear-proof for long-term workshop use. Size codes are permanently stamped on each stud, never fade or rub off even with frequent use.

Portable Shockproof Hard Storage Case
Comes with a sturdy plastic carrying case with built-in foam slots to fix every gauge securely, no loose messy parts. The lid is printed with a full size reference chart for quick lookup, plus a built-in handle for easy transport to job sites, truck toolboxes or workbenches.

Super Easy Operation for All Skill Levels
No complicated learning curve! Simply twist your unknown nut/bolt onto the matching threaded stud to instantly confirm diameter and thread pitch. Eliminates messy hardware sorting and avoids wrong fastener purchases.
Wide Universal Application
Perfect for auto & motorcycle repair, home furniture assembly, industrial machinery maintenance, electronics assembly, woodworking DIY projects. A thoughtful practical gift for handymen, mechanics, engineering students and tool lovers.

🛠️ Simple Usage Steps
- Take the unidentified nut or bolt fastener
- Screw it onto the corresponding threaded gauge stud
- Read the engraved size number on the stud to get accurate thread specs
- Cross-check with the printed size chart inside the case lid if needed

🎁 Perfect Gift & Scenarios
- 🚗 Automotive, motorcycle and truck repair shops
- 🏠 Home garage DIY, furniture installation & renovation
- 🏭 Factory equipment, machinery and production line maintenance
- 🛠️ Professional mechanics, hobby handymen & technical students
- 🎄 Father’s Day, holiday practical gift for tool lovers
📋 Product Specifications
| Item | 26PCS Version | 44PCS Version |
|---|---|---|
| Total Gauges | 26 Pieces | 44 Pieces |
| Inch Sizes | 14 Sizes | 23 Sizes |
| Metric Sizes | 12 Sizes | 21 Sizes |
| Material | Heavy-duty stainless steel | Heavy-duty stainless steel |
| Color Code | Red (Metric) / Blue (Inch) | Red (Metric) / Blue (Inch) |
| Storage Case | Hard plastic box with foam insert + carry handle | Hard plastic box with foam insert + carry handle |
| Marking | Permanent stamped size labeling | Permanent stamped size labeling |
📦 Package Includes
26PCS Set
1 × Hard-shell storage case
26 × Thread checker gauges (14 Inch + 12 Metric)
26 × Thread checker gauges (14 Inch + 12 Metric)
44PCS Set
1 × Hard-shell storage case
44 × Thread checker gauges (23 Inch + 21 Metric)
44 × Thread checker gauges (23 Inch + 21 Metric)
❓ FAQ
Q: What’s the difference between the 26PCS and 44PCS sets?
A: The 26PCS is a compact lightweight version with basic common sizes for casual use. The 44PCS full set adds more rare large/small thread specs to cover all industrial and automotive fasteners for professional work.
A: The 26PCS is a compact lightweight version with basic common sizes for casual use. The 44PCS full set adds more rare large/small thread specs to cover all industrial and automotive fasteners for professional work.
Q: Do the size labels wear off easily?
A: All size numbers are deeply stamped into metal, waterproof and abrasion-resistant, will not fade after long-term use.
A: All size numbers are deeply stamped into metal, waterproof and abrasion-resistant, will not fade after long-term use.
Q: Can this gauge set work for car engine repair?
A: Both versions support vehicle maintenance; the 44PCS full set covers more special engine bolt sizes for full professional auto repair.
A: Both versions support vehicle maintenance; the 44PCS full set covers more special engine bolt sizes for full professional auto repair.
Q: Is the carrying case durable for outdoor job site transport?
A: The thick hard plastic shell and fixed foam interior prevent gauges from shaking and scratching, suitable for frequent carrying outdoors.
A: The thick hard plastic shell and fixed foam interior prevent gauges from shaking and scratching, suitable for frequent carrying outdoors.
- Stop mismatching nuts and bolts forever! This thread gauge kit speeds up every repair and saves you tons of hardware waste.
OUR GUARANTEE:
- We believe we have some of the most innovative products in the world, and we want to make sure we back that up with a risk-free 15-day guarantee.
- If for any reason you do not have a positive experience, we will make every effort to ensure that you are satisfied with your purchase.
- We want you to rest assured that there is absolutely zero risk in buying and trying out products. If you don't like it and don't feel bad, we'll do it right.
- We email support. If you need help, please contact us.

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