Product Name：
Wood Screw、
Cross large flat head tapping screw
、Self-tappimg Screw
Process：
Black, ZINC, Plain, Black Oxide
The definition of flat head screw means that the screw head is flat head, and the letters are TA, TM. TA stands for large flat head self-tapping screw, T stands for head, which
refers to large flat head and umbrella head. A represents the thread of self-tapping.
