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Home>Nut & Bolt Gauges>Thread Checker
Inch Thread Checker
Part Number SWTC-S21
Inch Thread Checker
Inch 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 Inch 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 red) onto each gauge
  • Individual gauges are clear zinc plated steel
  • The individual gauges rotate freely on the wire cable for fast thread verification
  • Wire cable with loop for convenient hanging
SWTC-S21 Size Specifications:
 
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
 

Made in USA Logo

  • SAME DAY SHIPPING IF ORDERED BY 1PM CST.
  • Customer Reviews Average Rating review View All Reviews
    mechanic
    Each size is clearly labelled and this has proven to be a tool that I will use often because the manuals only show me where the bolts are but it gives me no bolt sizes. Thank you, Thread Tool Supply, for making a very usefull tool! Hippie - Iron Disciples MA
    Reviewed by: Hippie from Painesville. on 2/13/2018
    n/a
    Purchase four sets for our bike rehab mission. 2 of p/n SWTC-S21 (SAE)& 2 of p/n SWTC-M21 (metric). Exactly as described. So very happy I am ordering another pair for myself today. Highly recommend them!
    Reviewed by: Ray Bike Rehab Dude from Ballwin, MO. on 9/8/2017
    car nut
    Wrote a review before. Be glad to write another one after my third order for a total of 4 sets. "The best tool set bought in a long time." An excellent present for friends.
    Reviewed by: Thomas from HOUSTON. on 2/12/2017
    Pleased 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
    Inch thread checker
    Great quality tool, made in the usa! Very handy to have in your shop. I chose the tool on the cable for it's portability for different locations. Excellent service and very fast shipping!
    Reviewed by: Ron R. from Miami. on 11/18/2016
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