🔥44Pcs Alloy Nut and Bolt Thread Inspector Charge🔩

🔥44Pcs Alloy Nut and Bolt Thread Inspector Charge🔩

★★★★★ (2683 Reviews)
United States Flag
MADE IN State of Colorado
SHOPIFY SECURE
$59.99
$59.99 $117.60
SAVE 48% Sold out

BUNDLE & SAVE

 
add_shopping_cart

-

Ordered

local_shipping

- - -

Order Ready

redeem

- - -

Delivered

🔥44Pcs Alloy Nut and Bolt Thread Inspector Charge🔩

🔥44Pcs Alloy Nut and Bolt Thread Inspector Charge🔩

$59.99
$59.99 $117.60
SAVE 48% Sold out
Global Delivery
Worldwide Shipping
Fast dispatch with tracking updates
Ready To Ship
24–48H
STOP GUESSING THE THREAD BEFORE YOU BUY THE WRONG FASTENER

Match the Nut or Bolt Before You Make Another Trip to the Hardware Store.

A 44-piece Metric + SAE thread identification kit that lets you test unknown nuts and bolts, read the marked size, and get back to the repair with more confidence.

Demonstration of checking unknown bolt threads with the thread gauge kit


🔩 44 Thread Gauges 🔴 Metric + 🔵 SAE 🧰 Organized Carry Case
21 METRIC SIZES 23 INCH / SAE SIZES DETACHABLE GAUGES ALUMINUM ALLOY LABELED FOAM CASE
21 METRIC SIZES 23 INCH / SAE SIZES DETACHABLE GAUGES ALUMINUM ALLOY LABELED FOAM CASE
44 piece metric and SAE nut and bolt thread checker set in organized storage case
Unknown Bolt? Test It Instead of Guessing.

Threads That Look Almost Identical Can Still Be Completely Different Sizes.

A fastener may look close enough by eye, yet the diameter or pitch can still be wrong. Instead of forcing a nearly-matching nut or bolt, use the corresponding gauge and check how the threads engage.

👀
Similar by Eye

Metric and SAE threads can look deceptively similar until you actually test the fit.

🚗
Avoid Extra Store Trips

Identify the thread at the bench before shopping for the replacement fastener.

🔧
Stop Forcing the Wrong Thread

Confirm the size before attempting to install a replacement.

Nut being tested with detachable red metric thread checker
Simple Thread Identification

Screw It On. Check the Fit. Read the Marking.

The system is built around a straightforward physical fit check. Select a likely gauge, gently engage the threads, and identify the marked size once you find the correct match.

01
Pick a Likely Gauge

Start with Metric red or SAE blue based on the fastener you are checking.

02
Test the Threads

Gently screw the nut or bolt onto the matching gauge without forcing it.

03
Read the Size

Use the clearly marked gauge and case position to identify the thread specification.

Close-up of red and blue thread checker gauges with clear size markings
Find the Size Without Squinting

Color Coding and Clear Markings Keep Identification Fast.

Metric and Inch gauges use different colors, while the individual pieces and organizer positions carry readable size references for faster sorting and identification.


Metric Red anodized gauges

SAE / Inch Blue anodized gauges
Detailed view of detachable aluminum thread gauges storage case and markings
Take One Gauge to the Bolt — Not the Whole Set

Detachable Pieces Make Tight-Space Checks Much Easier.

Each gauge can be removed from the case individually. That matters when the bolt is already installed or sitting somewhere a large fixed gauge plate cannot easily reach.

🧩 Detachable
Bring Only the Gauge You Need

Easier to handle around installed bolts, machinery and compact work areas.

🔩 Thread Fit
Test Nuts and Bolts Directly

Physical thread engagement makes the identification process easy to understand.

🔤 Clear Labels
Know What You Matched

Markings on the gauge and storage location help reduce mix-ups after identification.

🧱 Aluminum Alloy
Metal Gauges for Repeat Shop Use

The product page identifies the thread-checking pieces as aluminum alloy.

44 piece thread checker showing 23 inch sizes and 21 metric sizes
44 Sizes in the Main Set

21 Metric + 23 SAE / Inch Sizes Cover a Wide Range of Common Fasteners.

The 44-piece configuration expands beyond the smaller 26-piece option, adding larger Metric and Inch thread sizes for garages and workshops that encounter a broader mix of hardware.

🔴
21 Metric Sizes

From M3 × 0.5 through larger sizes up to M24 × 3.0.

🔵
23 Inch Sizes

From smaller machine-screw threads through larger sizes up to 1-12 and 1-8.

📦
One Organized Case

Keep each gauge in a labeled location instead of loose in a drawer.

Mechanic organizing mixed nuts and bolts after identifying threads
Identification Makes Organization Easier Too

Turn the Mystery Fastener Drawer Into Parts You Can Actually Reuse.

Once you know the thread specification, random bolts and nuts can be sorted into labeled bins instead of staying in one mixed container because nobody knows what they are.

🚗 Auto Repair
🔧 Mechanic Bench
🏠 Home Garage
🛠️ DIY Projects
🗄️ Parts Sorting
⚙️ Machine Work
🏍️ Vehicle Hardware
📦 Fastener Inventory
Product Highlights

Why This Beats Guessing With a Ruler or Carrying a Whole Gauge Chain.

🔩 Direct Thread Check
Verify the Fit Instead of Estimating by Eye

Screw the fastener onto the appropriate gauge and use thread engagement to identify the likely size.

🧩 Individual Gauges
Easier Around Installed or Hard-to-Reach Hardware

Detachable pieces can be carried directly to the fastener instead of moving an entire fixed board.

📦 Labeled Storage
Put Every Gauge Back Where It Belongs

Cut foam and printed size positions make organization part of the system.

Confirmed Product Details

44-Piece Specifications

Product Type
Nut & Bolt Thread Checker / Thread Identification Gauge Set
Main Configuration
44 Pieces
Metric Coverage
21 Metric Sizes
SAE / Inch Coverage
23 Inch Sizes
Gauge Material
Aluminum Alloy
Color Coding
Red = Metric · Blue = SAE / Inch
Gauge Design
Individually Detachable Thread Checkers
Storage
Carry Case With Cut Foam & Size Labels
Other Variant
26-Piece Version Also Shown in Current Product Selector
🔴 21 Metric Sizes

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

🔵 23 SAE / Inch Sizes

6-32 · 6-40 · 8-32 · 10-24 · 10-32 · 1/4-20 · 1/4-28 · 5/16-18 · 5/16-24 · 3/8-16 · 3/8-24 · 7/16-14 · 7/16-20 · 1/2-13 · 1/2-20 · 9/16-12 · 9/16-18 · 5/8-11 · 5/8-18 · 3/4-10 · 3/4-16 · 1-8 · 1-12

Use note: thread gauges should engage smoothly. Do not force a nut or bolt onto a gauge that does not match, as forcing mismatched threads can damage the fastener or checker. The 44-piece and 26-piece variants contain different size ranges, so confirm the selected option before ordering.
Before You Start Sorting the Fastener Drawer

Frequently Asked Questions

How do I identify an unknown bolt?
Select a likely thread checker and gently engage the bolt with the gauge. When the thread matches smoothly without forcing, read the marked size on the gauge and its labeled case position.
Can it check nuts too?
Yes. The set is designed for nut and bolt thread identification using matching male and female thread-checking functions.
Does the 44-piece set include Metric and SAE sizes?
Yes. The 44-piece configuration includes 21 Metric sizes and 23 Inch / SAE sizes.
How can I quickly tell Metric from Inch?
The current 44-piece design uses red gauges for Metric sizes and blue gauges for Inch / SAE sizes.
Are the gauges permanently fixed in the case?
No. They are individually detachable, so you can remove one gauge and bring it directly to the fastener.
Why is detachable better for installed bolts?
A small individual gauge is easier to position around machinery, vehicles and tight spaces than carrying a large fixed gauge plate to the same location.
What are the gauges made from?
The current product description identifies the thread-checking pieces as aluminum alloy.
What's the difference between the 44-piece and 26-piece versions?
The 44-piece version provides a broader range: 21 Metric + 23 Inch sizes. The 26-piece option contains fewer Metric and Inch sizes, so check the live variant selector before purchasing.
Should I force a bolt if it almost fits?
No. A thread checker should engage smoothly. If it binds or requires force, stop and try another specification rather than damaging the threads.
Know the Thread Before You Buy the Replacement

Stop Guessing Which Bolt Is “Close Enough.” Identify It at the Bench.

Keep Metric and SAE thread identification organized in one case, grab the individual gauge you need, check the fastener and know what size to look for next.

🔩 44 GAUGES 🔴 21 METRIC 🔵 23 SAE / INCH 📦 ORGANIZED CASE
IDENTIFY YOUR NEXT MYSTERY THREAD ↑
Current selector includes 44Pcs and 26Pcs variants. Confirm the selected size set before ordering.
View full details