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Nut Bolt Size Thread Gauge Tool with Storage Box

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Nut Bolt Size Thread Gauge Tool with Storage Box

Nut Bolt Size Thread Gauge Tool with Storage Box

$35.90

$35.90 $56.90

44Pcs Nut & Bolt Thread Checker Set, SAE & Metric Thread Gauge Kit with Portable Storage Case

🔩 Dual Head Male & Female Thread Identifier for Auto Repair & Garage Workshop

High Strength Steel Size Gauge for Mixed Fastener Inventory

Why You’ll 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

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Auto & Motorcycle Repair

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Garage DIY Projects

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Machinery Maintenance

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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

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30-Day Hassle-Free Returns

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Secure Checkout & Payment

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Fast Global Shipping

30‑day refund/replacement. Refunds usually within 24 hours. Return shipping is buyer’s cost.

Encrypted checkout. Card details never shared; personal data never sold.

t**e

t**e

Verified Customer

Great product I highly recommend these lights real easy to install with a great high-quality and bright LED light.

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C**s S**h

C**s S**h

Verified Customer

As always best product out there when it comes to lighting. They stand behind their products. Fast shipping and amazing customer service.

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C**s S**h

C**s S**h

Verified Customer

Love the lights

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e**r

e**r

Verified Customer

I think the lights are awesome and they look great on my truck, but I would really love to have them in blue and Amber!!

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