18 Years Factory Drywall Spring Toggle Anchor Bolt - American Thread – Ji Luo Fastener

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American thread American thread, also known as unified thread. In 1864, Willian Sellers, an American, formulated the National Thread (N) according to the Wyeth Thread Standard System of the United Kingdom. These two threads are similar in diameter and pitch series and tolerance. General purpose of trapezoidal thread , American standard ANSIB1.5 tooth profile angle is 29 degrees, British drive threads (dimensions and tolerances) All diameters and pitch combinations calculated using the same fo...


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18 Years Factory Drywall Spring Toggle Anchor Bolt - American Thread – Ji Luo Fastener Detail:

American thread
American thread, also known as unified thread. In 1864, Willian Sellers, an American, formulated the National Thread (N) according to the Wyeth Thread Standard System of the United Kingdom. These two threads are similar in diameter and pitch series and tolerance.
General purpose of trapezoidal thread , American standard ANSIB1.5 tooth profile angle is 29 degrees, British drive threads (dimensions and tolerances) All diameters and pitch combinations calculated using the same formula as the standard series, excluding those outside the standard series.


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18 Years Factory Drywall Spring Toggle Anchor Bolt -
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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of 18 Years Factory Drywall Spring Toggle Anchor Bolt - American Thread – Ji Luo Fastener, The product will supply to all over the world, such as: Ethiopia , Nepal , Lisbon , Each product is carefully made, it will make you satisfied. Our products in the production process have got strictly monitored, because it is only to provide you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.
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