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Home>Nut & Bolt Gauges>Thread Checker
Metric Thread Checker
Part Number SWTC-M21
Metric Thread Checker
Metric Thread Checker: Identify both Nut & Bolt Sizes!
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Your Price: $32.95
On sale:
$29.99
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Description
Thread Checker Patent Logo
 
The Metric Thread Checker is an accurate and easy-to-use thread identifier for both nuts and bolts.  Each individual gauge features a male threaded stud on one end and a female threaded hole on the other.  The Thread Checker is especially well suited for distinguishing between similar inch and metric threads.  Conveniently assembled onto a wire loop, it's the perfect portable solution!   Hang it on your shop wall or store it in your tool box for safe keeping.

The Thread Checker, also known as a Thread Identifier or Thread Verifier 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!

You can rest assured, these tools are made for the long haul.  Manufactured from heat-treated carbon steel with the thread sizes permanently stamped onto each gauge, it will take some serious heavy duty use before we get the opportunity to fill your next order. Proudly made in the USA.

Features:
  • Each size has a nut and bolt checker on the same gauge
  • Thread sizes are permanently stamped (in white) onto each gauge
  • Individual gauges are black oxide plated steel
  • The individual gauges rotate freely on the wire cable for fast thread verification
  • Wire cable with loop for convenient hanging

SWTC-M21 Size Specifications:

M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0, M24x3.0

 

Made in USA Logo

  • SAME DAY SHIPPING IF ORDERED BY 1PM CST.
  • Customer Reviews Average Rating review View All Reviews
    Homeowner
    Excellent purchase. Great quality. Have used it numerous times since receiving it. Good time-saver.
    Reviewed by: Ralph from Indiana. on 4/19/2018
    Home repairman
    Ordered Inch Thread Checker & its Metric companion to deal with a pile of unmatched nuts & bolts that accumulated in my workshop over the years. Now I know what size fastener to get at the store, to mate with my orphans. Note: galvanized bolts are slightly larger-diameter than equivalent non-galvanized ones, because of the added zinc coating. Thread-Checker won't work for these. "Sort-of" works for galvanized nuts. Good design, quality materials, arrived promptly. Overall, very satisfied.
    Reviewed by: Wilfred from Birmingham, Alabama. on 2/18/2018
    Product support specialist
    Love this product, use almost everyday to find metric bolts for our forklift dealership. Second order,love free shipping
    Reviewed by: Ray K. from Mt Pleasant, PA. on 2/16/2017
    Project manager
    These come in very handy when we have products coming in from all over the world and have to know what size we are dealing with. An absolute must for any exhibit house.
    Reviewed by: T Murphy from Las Vegas. on 12/1/2016
    Happy to have this
    I thought I wanted the board-mounted set, but chose this because it covered more threads. I guess there are trade-offs in each case, but I've found this is more portable for taking to a job. It is well made and I am very pleased to have it.
    Reviewed by: Claude from Joliet, IL. on 11/21/2016
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