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Home>Nut & Bolt Gauges>Thread Checker
Wall Mounted Thread Checker
Part Number SWTC-WM1
Wall Mounted Thread Checker
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Thread Checker Patent Logo

The Thread Checker you've all been waiting for is here...                

The Wall Mounted Thread Checker

Quickly identify the most common size nuts & bolts in one easy-to-display center!  Starting from the top you have 28 female threaded holes to identify common inch & metric bolt sizes, following that you'll find 28 male threaded studs to identify nut sizes and at the bottom you'll find screw diameter & bolt length checkers.  Mounted on heavy-duty 1/2 Inch Sintra board and predrilled for easy installation, the Wall Mounted Thread Checker is ready to start saving you time and money by ensuring you have the right fastener for the job - the first time!
The Wall Mounted Thread Checker, also known as a Thread Verifier or Thread Identifier is a great addition for any Home, Hobby, or Inventor's Work Shop; Auto, Motorcycle, Marine, ATV or RV Repair Shop; Heavy Equipment Repair Shop, Military Equipment Repair Station, Machine Shop, Fabricating Shop, Assembly Department, Production Department or Quality Inspection Station!


  • Bolt thread checker in both standard and metric sizes
  • Nut thread checker in both standard and metric sizes
  • Bolt length checker in both standard and metric sizes
  • Screw size checker in both standard and metric sizes
  • Mounted on heavy-duty 1/2 Inch Sintra® board

SWTC-WM1 Size Specifications:

Inch: 6-32, 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

Metric: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75

Want your company name or logo on the Thread Checker?
These unique tools also make excellent promotional items!  Give them away to your best customers, take them to trade shows and hand them out to serious prospects.  Forget personalized pens, mugs, and key chains...give them something they will use and tell their friends about!  If you really want to make an impression, get the Thread Checker personalized with your company logo today!

Customize Your Wall Mounted Thread Checker

*Minimum Order quantity for customization is 100 pieces.  Call us for a quote today!

Made in USA Logo

  • Customer Reviews Average Rating review View All Reviews
    Best price on a wall mount thread checker I could find on the net. Works perfectly, easy to mount and is not an eyesore hanging on the wall. All studs and threaded inserts are mounted securely into the backing board. Label is clear and easy to understand.
    Reviewed by: Stanley Ward from Dublin NC. on 7/11/2014
    I have wanted a product like this for quite sometime. Saw this one and said thats the one i want. The price was right and it is nicer than all the other types i saw. I'm very happy with it and would highly recomend it to everyone.
    Reviewed by: Mike Saracino from Woodland Ca. on 7/6/2014
    This item has proved itself to be well worth the price in gas savings from having to run to the hardware store every time I needed to check threads on a nut or bolt. I have been searching for just such a device for years.
    Reviewed by: Thomas Hines from 7333 Meadowmist Lane, Ferndale, WA. on 7/5/2014
    We installed in our warehouse for staff to determine size and thread type for a multitude of screws that we receive from manufacturers from around the world.
    Reviewed by: Kirk from San Leandro, CA. on 7/3/2014
    Process Mechanic
    This thread checker was such a handy device to hang up in the shop for a quick check. Dealing with this U.S. company was such a pleasure and made easier by the staff that took my order. Shipment was very quick too.
    Reviewed by: Chuck from Bedford, Massachusetts. on 5/5/2014
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