1. [PREMIUM STEEL CONSTRUCTION] Made of high-quality steel for durability, this thread plug ensures accurate internal thread measurements.
2. [TAPER SHANK THREAD PLUG ] Perfect for threads under 100mm, the taper shank design provides precise measurement results.
3. [DOUBLE SCREW THREAD ] Suitable for threads 100mm and above, this double screw offers detailed and accurate measurements.
4. [USER-FRIENDLY DESIGN] Easy to operate and maintain, this hand tool delivers exceptional performance for your measurement needs.
5. [NEW AND HIGH QUALITY] 100% brand new and constructed with top-notch materials, this steel gage thread plug is a reliable tool.

Specification:
Features:
100% brand new and high quality.
Thread plug is a tool to measure the correctness of internal thread size.
Thread plug under 100mm is taper shank thread plug .
Thread plug 100 mm above is double screw thread plug .
Easy to operate and maintain, supercor performance.
Specification:
Material: Bearing steel
Weight: 14~221g/0.5~7.8oz
Model: M1*0.25, M1.2*0.25, M1.6*0.35, M1.8*0.35, M2*0.4, M2.5*0.45, M3*0.5, M4*0.7, M5*0.8, M6*1.0, M8*1.25, M10*1.5, M12*1.75, M14*2.0, M16*2.0, M20*2.5 (Optional)
Inspection and measurement process
1. First, clean sheets and impurities must be cleaned before the thread plug and the measured thread are positive, then the thumb and forefinger rotate the , so that the thread in the can be determined according to the full length of the thread, otherwise it will not be able to determine.
2. After the use of the relevant inspection and metrological institutions inspection and metrology qualified, then the screw plug and the measured thread pair after, use the thumb finger and the index finger rotation , screw thread length within 2 pitch to be qualified, otherwise be judged to be non-conforming product.

Package List:
1* Thread Plug
Note:
1. Before use: Thread plug should be checked and qualified by relevant inspection and metrological institutions before being put into production site use.
2. Use: should pay attention to the test thread tolerance class and deviation code and thread plug tolerance class, the deviation code is the same.
3. After the thread plug is finished, clean and measure part of the attachment should be cleaned and stored in the specified quantity box. The production site should be placed in the position of the craft fixed position and light gently, so as to prevent the bump and damage the measuring surface. It is strictly forbidden to force screw threads into threads as cutting tools to avoid early wear and ensure the accuracy of measuring tools.
Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.