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52-Piece Metric & SAE Nut and Bolt Thread Checker Set, Removable Aluminum Thread Gauge Kit for Nuts, Bolts & Screws with Portable Storage Case

$84.99

$99.99
15% off
  • Free US shipping
  • Arrives

  • 52-piece thread identification set
  • Metric and imperial/SAE sizes
  • Measures nuts, bolts, and screws
  • Male and female thread checking points
  • Individually removable gauges
  • Red and blue color-coded organization
  • Clearly marked thread sizes
  • Durable aluminum construction
  • Portable hard storage case

  • 52-PIECE METRIC & SAE SIZE SET – Quickly identify a wide range of common nuts, bolts, and screws with 52 individual thread checkers covering both metric and imperial/SAE sizes. Ideal for sorting unknown hardware and finding the correct replacement fast.

    REMOVABLE INDIVIDUAL THREAD CHECKERS – Unlike fixed wall-mounted thread boards, each gauge can be removed from the case and brought directly to your work area. Check hardware in toolboxes, machinery, vehicles, workshops, and other locations where carrying a full-size gauge board is inconvenient.

    CHECK BOTH NUTS AND BOLTS – Male and female checking ends allow you to identify external bolt and screw threads as well as internal nut threads. Simply test the unknown fastener until you find the matching diameter and thread size.

    COLOR-CODED FOR QUICK IDENTIFICATION – Red and blue gauges make metric and imperial sizes easier to distinguish at a glance. Clearly marked sizing helps reduce guesswork when working with similar-looking fasteners.

    PORTABLE ORGANIZED STORAGE CASE – Every gauge has its own fitted position inside the hard carrying case, helping keep the complete set organized, protected, and easy to transport. Suitable for mechanics, machinists, plumbers, maintenance technicians, contractors, DIYers, and workshops.

Size Markings:
Clearly Marked on Each Gauge
Product Dimensions:
9.0 x 7.0 x 2.0 inches; 1.2 pounds
Isin:
IUX3SEQVLCQD
  • 52-piece thread identification set
  • Metric and imperial/SAE sizes
  • Measures nuts, bolts, and screws
  • Male and female thread checking points
  • Individually removable gauges
  • Red and blue color-coded organization
  • Clearly marked thread sizes
  • Durable aluminum construction
  • Portable hard storage case

$84.99

$99.99
15% off
  • Free US shipping
  • Arrives

In Stock

Sold by , Fulfilled by IBSPOT • Ships from US

IBSPOT Buyer Protection
  • Free 30-Day Returns
  • Full Refund for Damaged or Incorrect Items
  • Guaranteed Delivery or Money Back
  • Secure Checkout & Fast Support
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52-Piece Metric & SAE Nut and Bolt Thread Checker Set, Removable Aluminum Thread Gauge Kit for Nuts, Bolts & Screws with Portable Storage Case

52-Piece Metric & SAE Nut and Bolt Thread Checker Set, Removable Aluminum Thr...

$84.99 $99.99 (15% off)

What Customers Are Saying

Made things so much easier!
“We’re just moved into a house and there are so many things I’m putting together that are missing a bolt it nut”
— dwchambe
Terrific set.
“told some friends about it and they said they didn't believe I didn't already have one”
— YukiGovno
Great product
“I can't find the right screws or nuts for all my projects”
— Charles Grrett Jr
Good quality
“Much more convenient than the ones you see at the hardware stores”
— Jason
Works as designed
“Used it about 3 or 4 times in the last week”
— crusin81
The Most Comprehensive Set Available At A Great Price!
“This is the most comprehensive set that I've found on the market with 76 pieces, there's some cheaper sets with fewer components but I...”
— R. White
It's a thread checker.
“**TLDR:** The CNSMBNSR 46-piece thread checker has a dumb name, but is a handy thread checker with both English and metric options”
— android user
  • 52-piece thread identification set
  • Metric and imperial/SAE sizes
  • Measures nuts, bolts, and screws
  • Male and female thread checking points
  • Individually removable gauges
  • Red and blue color-coded organization
  • Clearly marked thread sizes
  • Durable aluminum construction
  • Portable hard storage case

  • 52-PIECE METRIC & SAE SIZE SET – Quickly identify a wide range of common nuts, bolts, and screws with 52 individual thread checkers covering both metric and imperial/SAE sizes. Ideal for sorting unknown hardware and finding the correct replacement fast.

    REMOVABLE INDIVIDUAL THREAD CHECKERS – Unlike fixed wall-mounted thread boards, each gauge can be removed from the case and brought directly to your work area. Check hardware in toolboxes, machinery, vehicles, workshops, and other locations where carrying a full-size gauge board is inconvenient.

    CHECK BOTH NUTS AND BOLTS – Male and female checking ends allow you to identify external bolt and screw threads as well as internal nut threads. Simply test the unknown fastener until you find the matching diameter and thread size.

    COLOR-CODED FOR QUICK IDENTIFICATION – Red and blue gauges make metric and imperial sizes easier to distinguish at a glance. Clearly marked sizing helps reduce guesswork when working with similar-looking fasteners.

    PORTABLE ORGANIZED STORAGE CASE – Every gauge has its own fitted position inside the hard carrying case, helping keep the complete set organized, protected, and easy to transport. Suitable for mechanics, machinists, plumbers, maintenance technicians, contractors, DIYers, and workshops.

Size Markings:
Clearly Marked on Each Gauge
Product Dimensions:
9.0 x 7.0 x 2.0 inches; 1.2 pounds
Isin:
IUX3SEQVLCQD

Finding the correct replacement nut or bolt can be frustrating when several thread sizes look almost identical. The 52-Piece Metric & SAE Nut and Bolt Thread Checker Set gives you a simple way to identify unknown hardware before purchasing or installing a replacement.

The set includes individual male and female thread checking points designed for identifying both nuts and bolts. Instead of estimating the size with a ruler or repeatedly trying different fasteners, insert or thread the hardware onto the appropriate gauge until you find a proper match. Clearly marked sizes help you determine the correct thread specification quickly.

One of the biggest advantages of this design is that the gauges are individually removable. Traditional thread checker boards usually need to remain mounted to a wall or carried as one large piece. With this set, you can remove the gauge you need and take it directly to a vehicle, machine, cabinet, plumbing fixture, equipment assembly, or other difficult-to-reach location.

The gauges are arranged in contrasting red and blue groups, making metric and imperial/SAE sizes easier to distinguish while you work. This organization is especially useful in workshops where both measurement systems are regularly encountered.

Each checker is stored in its own fitted location inside the included portable case. The organized layout makes it easy to see which gauges are present while helping prevent pieces from becoming mixed together in a toolbox or workbench drawer.

Whether you are organizing miscellaneous hardware, replacing a missing bolt, repairing machinery, working on automotive components, or simply trying to identify an unfamiliar fastener, this complete thread checking kit provides a convenient reference you can keep close at hand.

Processing Time

  • We process and ship orders Monday through Friday, excluding holidays.
  • Most orders are processed within 1–3 business days, depending on product availability.
  • Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.

Shipping Coverage

We currently ship to addresses within the United States only.

Products may ship from:

  • Our U.S. warehouses, or
  • Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).

Each product page clearly displays the “Ships From” location before checkout.


Shipping Methods & Estimated Delivery

Shipping Method Estimated Delivery Cost
Free Shipping (US) 5–10 business days Free, available on eligible items
Standard Shipping (US to US by Item) 5–10 business days $5.95 for the first item, $3.00 each additional
Standard Shipping (From US Warehouse by Weight) 3–7 business days Starts at $5.95, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb.
Extended Delivery (Ships from Overseas Warehouse) 10–20 business days $14.99 for the first item, $2.00 each additional

Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.

Free Shipping

We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout. 


Carriers

We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.


Import Duties & Taxes

All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.


Tracking & Notifications

Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.

You can track your shipment anytime using the Track Your Order page on our website.


Order Changes & Cancellations

If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.

Contact: support@ibspot.com


Item Not Received

If your tracking number shows “Delivered” but you haven’t received your package:

  1. Check with your local USPS or UPS office.
  2. Confirm that the shipping address provided was correct.
  3. If the issue remains unresolved, contact support@ibspot.com for assistance.

Damaged or Lost Parcels

If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.


Customer Support

For any questions about shipping, tracking, or delivery, our customer support team is here to help.

Email: support@ibspot.com

We’re always happy to help.

Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.


Order Cancellation Policy

Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.

How to Request a Cancellation

You can contact us through:

Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.


Return Policy

We accept returns for most items within 30 days of delivery for a full refund.

To be eligible for a return:

  • The item must be unused, in the same condition as received, and in its original packaging.
  • A tracking number must be provided to confirm the return shipment.

Non-Returnable Items

Certain products cannot be returned, including:

  • Perishable goods (for example, food, flowers, newspapers, magazines)
  • Intimate or sanitary goods
  • Hazardous materials or flammable liquids/gases
  • Gift cards
  • Downloadable software
  • Some health and personal care items

Partial Refunds (If Applicable)

Partial refunds may be granted in specific situations, such as:

  • Books with obvious signs of use
  • Opened CDs, DVDs, software, or vinyl records
  • Items not in their original condition, damaged, or missing parts not due to our error
  • Items returned more than 30 days after delivery

How to Return an Item

To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.


Shipping Cost for Returns

Please contact us before returning any item.

We may provide a return shipping label for your return. If the return is due to our error, such as receiving the wrong item, a damaged item, or a defective product, we will cover the return shipping cost.

If the return is due to the customer’s reason, such as ordering the wrong item, changing your mind, or no longer needing the item, the original shipping fee and the return label fee will be deducted from your refund amount.

If a return is sent back without prior contact or without using our provided label, we cannot be held responsible for any return shipping costs or delivery issues.

For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.


Refund Processing

Once your return is received and inspected:

  • In-store returns are refunded to the original form of payment or issued as a gift card.
  • Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.

Please allow:

  • 5–7 business days for the return to reach our Returns Center.
  • An additional 3–10 business days for your bank to post the refund to your account.

Damages, Issues & Claims

Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.

Product Claims

Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.


Exchanges

We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.


Return Address

IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States


Customer Support

Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.

Email: support@ibspot.com
Contact Form: Contact Us page

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Disclaimer: Statements made, or products sold through this website, have not been evaluated by the United States Food and Drug Administration. Products are not intended to diagnose, treat, cure or prevent any disease.