ข้อต่อเกลียวใน ทองแดง

3/8"x1/4", 3/8"x3/8", 1/2"x3/8", 5/8"x3/8", 1/2"x1/2", 5/8"x1/2", 3/4"x1/2", 7/8"x1/2", 1/2"x3/4", 5/8"x3/4", 3/4"x3/4", 7/8"x3/4", 1-1/8"x3/4", 7/8"x1", 1-1/8"x1", 1-3/8"x1", 1-3/8"x1-1/4", 1-5/8"x1-1/2", 2-1/8"x2", 2-5/8"x2", 2-5/8"x2-1/2", 3-1/8"x3"