Nut Bolt Size Thread Gauge Tool with Storage Box
Nut Bolt Size Thread Gauge Tool with Storage Box
44Pcs Nut & Bolt Thread Checker Set, SAE & Metric Thread Gauge Kit with Portable Storage Case
๐ฉ Dual Head Male & Female Thread Identifier for Auto Repair & Garage Workshop
High Strength Steel Size Gauge for Mixed Fastener Inventory
Why Youโll Love It
44 Complete Sizes SAE + Metric Combo
23 inch UNC/UNF + 21 metric M3-M24 covers all common fasteners for auto & machinery.
Dual Head Male & Female Design
One end tests bolt external thread, the other for nut internal thread, single gauge dual use.
Hardened Precision Steel Construction
CNC machined thread resists wear, no slip teeth after heavy workshop use.
Color-Coded Double-Sided Laser Mark
Blue for inch, red for metric; permanent engraving readable in dim garages.
Single Detachable Gauge for Narrow Spaces
Take out individual piece to test hard-to-reach leftover bolts on equipment.
Custom EVA Portable Storage Case
Individual slots organize all gauges neatly, compact to carry on service trips.
Product Specifications
- Total Quantity: 44 Thread Checkers
- SAE Sizes: 23pcs (#6 to 1 inch UNC/UNF)
- Metric Sizes: 21pcs (M3 to M24)
- Material: High Hardness Carbon Steel
- Structure: Dual Head Male / Female Thread Gauge
- Marking: Double-Sided Laser Etched, Color Coded
- Storage: Integrated EVA Foam Carry Case
- Net Weight: Approx 0.78 KG
Perfect For
Auto & Motorcycle Repair
Garage DIY Projects
Machinery Maintenance
Hardware Inventory Check
Frequently Asked Questions
Q1 Can I test both bolts and nuts with one gauge?
A Yes, dual-head design supports external bolt thread and internal nut thread testing.
Q2 Does this set cover both metric and inch fasteners?
A 21 metric + 23 inch sizes cover most daily & industrial fasteners.
Q3 Will the thread wear out after frequent use?
Hardened steel thread offers long service life without deformation.
Q4 Can I take single gauge out for narrow equipment?
All gauges are detachable for hard-to-reach inspection points.
Q5 How to maintain the thread gauges?
Clean grit & grease before use, wipe dry and store away from moisture.
Shop With Confidence
30-Day Hassle-Free Returns
Secure Checkout & Payment
Fast Global Shipping
Return policy
30โday refund/replacement. Refunds usually within 24 hours. Return shipping is buyerโs cost.
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Encrypted checkout. Card details never shared; personal data never sold.