1608 standard tap sizes products are offered for sale by suppliers on Alibaba.com, of which tap & die accounts for 7%, basin faucets accounts for 3%, and bibcocks accounts for 3%.
A wide variety of standard tap sizes options are available to you, You can also choose from odm, obm standard tap sizes,as well as from thread cutting, thread tapping, and machine tool standard tap sizes,and whether standard tap sizes is alloy steel, or carbon steel.